./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/s3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/s3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9 --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 d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:40:38,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:40:39,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:40:39,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:40:39,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:40:39,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:40:39,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:40:39,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:40:39,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:40:39,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:40:39,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:40:39,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:40:39,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:40:39,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:40:39,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:40:39,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:40:39,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:40:39,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:40:39,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:40:39,073 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:40:39,073 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:40:39,075 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:40:39,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:40:39,076 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:40:39,076 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:40:39,077 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:40:39,077 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:40:39,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:40:39,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:40:39,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:40:39,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:40:39,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:40:39,079 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:40:39,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:40:39,079 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:40:39,080 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_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 [2023-12-03 04:40:39,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:40:39,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:40:39,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:40:39,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:40:39,342 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:40:39,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loops/s3.i [2023-12-03 04:40:42,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:40:42,336 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:40:42,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/sv-benchmarks/c/loops/s3.i [2023-12-03 04:40:42,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/data/d8029470e/309c4bf369c24060895528749cfe1fa3/FLAG71a4da17e [2023-12-03 04:40:42,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/data/d8029470e/309c4bf369c24060895528749cfe1fa3 [2023-12-03 04:40:42,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:40:42,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:40:42,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:40:42,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:40:42,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:40:42,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:42,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcb466a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42, skipping insertion in model container [2023-12-03 04:40:42,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:42,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:40:42,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:40:42,807 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:40:42,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:40:42,919 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:40:42,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42 WrapperNode [2023-12-03 04:40:42,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:40:42,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:40:42,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:40:42,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:40:42,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:42,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:42,995 INFO L138 Inliner]: procedures = 30, calls = 223, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 863 [2023-12-03 04:40:42,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:40:42,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:40:42,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:40:42,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:40:43,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:43,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:43,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:43,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:43,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:43,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:43,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:43,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:43,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:40:43,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:40:43,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:40:43,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:40:43,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:42" (1/1) ... [2023-12-03 04:40:43,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:40:43,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:40:43,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:40:43,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:40:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:40:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:40:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:40:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:40:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:40:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:40:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:40:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:40:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:40:43,398 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:40:43,400 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:40:43,424 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-03 04:40:46,427 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !false; [2023-12-03 04:40:46,428 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume false; [2023-12-03 04:40:46,428 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:40:46,763 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:40:46,764 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:40:46,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:40:46 BoogieIcfgContainer [2023-12-03 04:40:46,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:40:46,766 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:40:46,766 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:40:46,774 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:40:46,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:40:46" (1/1) ... [2023-12-03 04:40:46,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:40:46,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 113 states and 176 transitions. [2023-12-03 04:40:46,829 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 176 transitions. [2023-12-03 04:40:46,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 04:40:46,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:46,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:47,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:40:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:52,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:41:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:41:02,252 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:41:02,256 INFO L158 Benchmark]: Toolchain (without parser) took 19880.04ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 92.3MB in the beginning and 125.7MB in the end (delta: -33.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-12-03 04:41:02,256 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:02,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.12ms. Allocated memory is still 140.5MB. Free memory was 92.0MB in the beginning and 61.2MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 04:41:02,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.13ms. Allocated memory is still 140.5MB. Free memory was 61.2MB in the beginning and 55.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:41:02,258 INFO L158 Benchmark]: Boogie Preprocessor took 114.17ms. Allocated memory is still 140.5MB. Free memory was 55.9MB in the beginning and 106.8MB in the end (delta: -50.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-12-03 04:41:02,258 INFO L158 Benchmark]: RCFGBuilder took 3653.92ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 106.7MB in the beginning and 117.8MB in the end (delta: -11.1MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2023-12-03 04:41:02,259 INFO L158 Benchmark]: CodeCheck took 15487.83ms. Allocated memory is still 192.9MB. Free memory was 117.8MB in the beginning and 125.7MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:02,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.12ms. Allocated memory is still 140.5MB. Free memory was 92.0MB in the beginning and 61.2MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.13ms. Allocated memory is still 140.5MB. Free memory was 61.2MB in the beginning and 55.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.17ms. Allocated memory is still 140.5MB. Free memory was 55.9MB in the beginning and 106.8MB in the end (delta: -50.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3653.92ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 106.7MB in the beginning and 117.8MB in the end (delta: -11.1MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * CodeCheck took 15487.83ms. Allocated memory is still 192.9MB. Free memory was 117.8MB in the beginning and 125.7MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:41:02,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/s3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9 --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 d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:41:04,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:41:04,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 04:41:04,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:41:04,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:41:04,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:41:04,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:41:04,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:41:04,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:41:04,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:41:04,353 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:41:04,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:41:04,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:41:04,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:41:04,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:41:04,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:41:04,356 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:41:04,357 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:41:04,357 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:41:04,358 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:41:04,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:41:04,360 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:41:04,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:41:04,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:41:04,362 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:41:04,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:41:04,363 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:41:04,364 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:04,364 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:41:04,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:41:04,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:04,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:41:04,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:41:04,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:41:04,366 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:41:04,366 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:04,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:41:04,367 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:41:04,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:41:04,367 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 [2023-12-03 04:41:04,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:41:04,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:41:04,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:41:04,682 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:41:04,682 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:41:04,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loops/s3.i [2023-12-03 04:41:07,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:41:07,741 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:41:07,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/sv-benchmarks/c/loops/s3.i [2023-12-03 04:41:07,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/data/c06e7e141/4a28a34281384c3487db37b4921c9578/FLAGe1e07087a [2023-12-03 04:41:07,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/data/c06e7e141/4a28a34281384c3487db37b4921c9578 [2023-12-03 04:41:07,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:41:07,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:41:07,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:07,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:41:07,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:41:07,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616a628d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07, skipping insertion in model container [2023-12-03 04:41:07,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:08,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:08,223 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:41:08,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:08,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:08,328 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:41:08,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:08,483 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:41:08,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08 WrapperNode [2023-12-03 04:41:08,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:08,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:08,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:41:08,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:41:08,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,555 INFO L138 Inliner]: procedures = 34, calls = 223, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 750 [2023-12-03 04:41:08,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:08,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:41:08,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:41:08,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:41:08,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:41:08,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:41:08,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:41:08,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:41:08,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:08" (1/1) ... [2023-12-03 04:41:08,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:08,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:41:08,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:41:08,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:41:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:41:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:41:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:41:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:41:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:41:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:41:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:41:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:41:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:41:08,875 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:41:08,877 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:41:08,895 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-03 04:41:23,511 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2023-12-03 04:41:23,512 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2023-12-03 04:41:23,512 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:41:23,787 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:41:23,787 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:41:23,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:23 BoogieIcfgContainer [2023-12-03 04:41:23,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:41:23,790 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:41:23,790 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:41:23,800 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:41:23,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:23" (1/1) ... [2023-12-03 04:41:23,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:41:23,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 113 states and 176 transitions. [2023-12-03 04:41:23,866 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 176 transitions. [2023-12-03 04:41:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 04:41:23,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:23,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:23,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:23,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:23,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:41:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:24,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:24,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:41:24,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:25,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:41:35,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:41:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 112 states and 175 transitions. [2023-12-03 04:41:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 175 transitions. [2023-12-03 04:41:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:41:35,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:35,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:35,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:35,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:35,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:42:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:42:00,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:42:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:42:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:42:39,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:42:39,263 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:42:39,266 INFO L158 Benchmark]: Toolchain (without parser) took 91487.38ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 55.0MB in the beginning and 71.0MB in the end (delta: -16.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-12-03 04:42:39,266 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:42:39,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.15ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 52.9MB in the end (delta: 1.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-12-03 04:42:39,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.07ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 47.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:42:39,268 INFO L158 Benchmark]: Boogie Preprocessor took 86.34ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 40.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:42:39,269 INFO L158 Benchmark]: RCFGBuilder took 15146.34ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 40.3MB in the beginning and 50.5MB in the end (delta: -10.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-12-03 04:42:39,270 INFO L158 Benchmark]: CodeCheck took 75475.33ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 50.5MB in the beginning and 71.0MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:42:39,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.15ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 52.9MB in the end (delta: 1.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.07ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 47.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.34ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 40.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 15146.34ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 40.3MB in the beginning and 50.5MB in the end (delta: -10.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * CodeCheck took 75475.33ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 50.5MB in the beginning and 71.0MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:42:39,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd9123-fdcc-42c3-8e61-3cf33c61f44e/bin/ukojak-verify-Qdu7aM0XO9/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown