./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/fermat2.c --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_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/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_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/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_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/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 c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:39:38,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:39:38,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:39:38,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:39:38,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:39:38,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:39:38,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:39:38,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:39:38,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:39:38,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:39:38,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:39:38,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:39:38,493 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:39:38,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:39:38,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:39:38,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:39:38,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:39:38,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:39:38,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:39:38,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:39:38,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:39:38,498 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:39:38,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:39:38,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:39:38,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:39:38,500 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:39:38,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:39:38,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:39:38,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:39:38,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:39:38,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:39:38,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:39:38,514 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:39:38,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:39:38,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:39:38,514 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_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-12-02 23:39:38,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:39:38,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:39:38,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:39:38,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:39:38,762 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:39:38,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-12-02 23:39:41,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:39:41,749 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:39:41,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/sv-benchmarks/c/nla-digbench/fermat2.c [2023-12-02 23:39:41,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/data/cc029633f/7cbc067df73342c59085e3e5a4a5fad3/FLAGc1a48d637 [2023-12-02 23:39:41,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/data/cc029633f/7cbc067df73342c59085e3e5a4a5fad3 [2023-12-02 23:39:41,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:39:41,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:39:41,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:39:41,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:39:41,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:39:41,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:41,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33aecb8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41, skipping insertion in model container [2023-12-02 23:39:41,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:41,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:39:41,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:39:41,942 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:39:41,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:39:41,970 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:39:41,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41 WrapperNode [2023-12-02 23:39:41,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:39:41,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:39:41,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:39:41,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:39:41,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:41,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,009 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-12-02 23:39:42,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:39:42,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:39:42,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:39:42,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:39:42,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:39:42,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:39:42,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:39:42,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:39:42,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:41" (1/1) ... [2023-12-02 23:39:42,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:39:42,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:39:42,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:39:42,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:39:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:39:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:39:42,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:39:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:39:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:39:42,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:39:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:39:42,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:39:42,154 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:39:42,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:39:42,584 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:39:42,618 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:39:42,618 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:39:42,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:42 BoogieIcfgContainer [2023-12-02 23:39:42,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:39:42,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:39:42,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:39:42,629 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:39:42,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:42" (1/1) ... [2023-12-02 23:39:42,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:39:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-12-02 23:39:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-12-02 23:39:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:39:42,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:42,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:39:42,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:39:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:39:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:39:42,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:39:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:39:42,804 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:39:42,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:39:42 ImpRootNode [2023-12-02 23:39:42,823 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:39:42,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:39:42,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:39:42,824 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:39:42,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:42" (3/4) ... [2023-12-02 23:39:42,827 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:39:42,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:39:42,829 INFO L158 Benchmark]: Toolchain (without parser) took 1055.30ms. Allocated memory is still 161.5MB. Free memory was 121.2MB in the beginning and 76.2MB in the end (delta: 45.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-02 23:39:42,829 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:39:42,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.13ms. Allocated memory is still 161.5MB. Free memory was 120.8MB in the beginning and 110.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:39:42,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.82ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 108.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:39:42,832 INFO L158 Benchmark]: Boogie Preprocessor took 21.78ms. Allocated memory is still 161.5MB. Free memory was 108.6MB in the beginning and 107.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:39:42,832 INFO L158 Benchmark]: RCFGBuilder took 587.60ms. Allocated memory is still 161.5MB. Free memory was 107.1MB in the beginning and 87.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:39:42,833 INFO L158 Benchmark]: CodeCheck took 201.89ms. Allocated memory is still 161.5MB. Free memory was 87.2MB in the beginning and 76.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:39:42,833 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 161.5MB. Free memory was 76.2MB in the beginning and 76.2MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:39:42,837 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 3 procedures, 126 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 22. Possible FailurePath: [L20] int A, R; [L21] int u, v, r; [L22] A = __VERIFIER_nondet_double() [L23] R = __VERIFIER_nondet_double() [L25] R - 1 VAL [R=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.13ms. Allocated memory is still 161.5MB. Free memory was 120.8MB in the beginning and 110.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.82ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 108.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.78ms. Allocated memory is still 161.5MB. Free memory was 108.6MB in the beginning and 107.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.60ms. Allocated memory is still 161.5MB. Free memory was 107.1MB in the beginning and 87.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 201.89ms. Allocated memory is still 161.5MB. Free memory was 87.2MB in the beginning and 76.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 161.5MB. Free memory was 76.2MB in the beginning and 76.2MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:39:42,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/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_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/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_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/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_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/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 c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:39:44,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:39:44,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:39:44,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:39:44,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:39:44,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:39:44,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:39:44,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:39:44,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:39:44,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:39:44,868 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:39:44,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:39:44,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:39:44,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:39:44,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:39:44,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:39:44,871 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:39:44,871 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:39:44,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:39:44,872 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:39:44,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:39:44,873 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:39:44,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:39:44,874 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:39:44,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:39:44,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:39:44,876 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:39:44,876 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:44,876 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:39:44,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:39:44,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:39:44,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:39:44,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:39:44,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:39:44,878 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:39:44,879 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:44,879 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:39:44,879 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:39:44,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:39:44,879 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_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-12-02 23:39:45,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:39:45,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:39:45,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:39:45,195 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:39:45,195 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:39:45,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-12-02 23:39:48,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:39:48,186 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:39:48,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/sv-benchmarks/c/nla-digbench/fermat2.c [2023-12-02 23:39:48,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/data/e672e955a/61b13a7665a941418351c07623be16ba/FLAG08b9a0365 [2023-12-02 23:39:48,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/data/e672e955a/61b13a7665a941418351c07623be16ba [2023-12-02 23:39:48,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:39:48,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:39:48,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:39:48,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:39:48,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:39:48,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1f9983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48, skipping insertion in model container [2023-12-02 23:39:48,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:39:48,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:39:48,429 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:39:48,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:39:48,469 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:39:48,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48 WrapperNode [2023-12-02 23:39:48,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:39:48,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:39:48,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:39:48,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:39:48,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,514 INFO L138 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-12-02 23:39:48,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:39:48,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:39:48,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:39:48,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:39:48,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:39:48,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:39:48,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:39:48,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:39:48,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:48" (1/1) ... [2023-12-02 23:39:48,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:39:48,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:39:48,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:39:48,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:39:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:39:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:39:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:39:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:39:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:39:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:39:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:39:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:39:48,704 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:39:48,706 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:40:14,559 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 23:40:14,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 23:40:14,560 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:221) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:175) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:735) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:742) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 25 more [2023-12-02 23:40:14,568 INFO L158 Benchmark]: Toolchain (without parser) took 26354.33ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 46.2MB in the end (delta: 6.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:40:14,569 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:40:14,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.68ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 40.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:40:14,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.58ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 38.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:40:14,571 INFO L158 Benchmark]: Boogie Preprocessor took 34.86ms. Allocated memory is still 75.5MB. Free memory was 38.3MB in the beginning and 36.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:40:14,571 INFO L158 Benchmark]: RCFGBuilder took 26015.95ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 46.2MB in the end (delta: -9.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:40:14,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.68ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 40.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.58ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 38.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.86ms. Allocated memory is still 75.5MB. Free memory was 38.3MB in the beginning and 36.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 26015.95ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 46.2MB in the end (delta: -9.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28da7f9e-c3a3-4de3-96fa-0868f116e3b8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")