./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 527bcce2 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_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:52:29,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:29,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:52:29,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:29,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:29,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:29,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:29,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:29,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:29,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:29,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:29,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:29,518 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:29,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:29,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:29,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:29,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:29,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:29,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:29,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:29,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:29,525 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:29,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:29,526 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:29,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:29,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:29,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:29,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:29,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:29,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:29,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:29,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:29,532 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:29,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:29,532 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:29,533 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_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-11-21 18:52:29,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:29,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:29,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:29,822 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:29,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:29,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-21 18:52:32,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:33,071 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:33,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-21 18:52:33,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/data/21bd10e93/f1131dbc8bd74f6c9e85c7c082f9a1fb/FLAGa2fcb8c01 [2023-11-21 18:52:33,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/data/21bd10e93/f1131dbc8bd74f6c9e85c7c082f9a1fb [2023-11-21 18:52:33,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:33,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:33,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:33,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:33,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:33,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ad79b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33, skipping insertion in model container [2023-11-21 18:52:33,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,134 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:33,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:33,356 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:33,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:33,415 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:33,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33 WrapperNode [2023-11-21 18:52:33,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:33,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:33,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:33,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:33,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,483 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-21 18:52:33,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:33,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:33,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:33,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:33,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:33,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:33,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:33,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:33,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:33,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:33,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:33,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:52:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:52:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:52:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:52:33,707 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:33,710 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:34,218 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:34,255 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:34,256 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:52:34,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:34 BoogieIcfgContainer [2023-11-21 18:52:34,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:34,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:34,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:34,270 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:34,271 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-11-21 18:52:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-11-21 18:52:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:52:34,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:34,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:52:34,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:52:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:52:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:52:34,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:52:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:52:34,565 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:52:34,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:52:34 ImpRootNode [2023-11-21 18:52:34,587 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:52:34,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:52:34,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:52:34,591 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:52:34,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:34" (3/4) ... [2023-11-21 18:52:34,596 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:52:34,598 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:52:34,599 INFO L158 Benchmark]: Toolchain (without parser) took 1500.41ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 94.7MB in the beginning and 148.3MB in the end (delta: -53.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:34,600 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:34,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.10ms. Allocated memory is still 140.5MB. Free memory was 94.7MB in the beginning and 83.9MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:52:34,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.95ms. Allocated memory is still 140.5MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:52:34,603 INFO L158 Benchmark]: Boogie Preprocessor took 45.92ms. Allocated memory is still 140.5MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:34,603 INFO L158 Benchmark]: RCFGBuilder took 727.30ms. Allocated memory is still 140.5MB. Free memory was 80.7MB in the beginning and 60.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:52:34,605 INFO L158 Benchmark]: CodeCheck took 328.53ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 60.8MB in the beginning and 149.2MB in the end (delta: -88.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:34,605 INFO L158 Benchmark]: Witness Printer took 8.47ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 148.3MB in the end (delta: 907.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:34,615 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: 0.3s, 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 0.31ms. Allocated memory is still 109.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.10ms. Allocated memory is still 140.5MB. Free memory was 94.7MB in the beginning and 83.9MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.95ms. Allocated memory is still 140.5MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.92ms. Allocated memory is still 140.5MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 727.30ms. Allocated memory is still 140.5MB. Free memory was 80.7MB in the beginning and 60.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 328.53ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 60.8MB in the beginning and 149.2MB in the end (delta: -88.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.47ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 148.3MB in the end (delta: 907.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:52:34,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/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_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:52:37,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:37,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:52:37,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:37,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:37,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:37,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:37,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:37,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:37,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:37,582 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:37,583 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:37,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:37,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:37,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:37,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:37,586 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:52:37,586 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:52:37,587 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:37,588 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:52:37,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:37,589 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:37,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:37,590 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:37,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:37,591 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:37,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:37,591 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:52:37,592 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:52:37,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:37,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:37,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:37,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:37,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:37,595 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:52:37,595 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:52:37,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:37,596 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:52:37,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:52:37,597 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_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-11-21 18:52:38,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:38,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:38,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:38,092 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:38,093 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:38,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-21 18:52:41,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:41,288 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:41,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-21 18:52:41,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/data/27cf8feb7/9d975cea1a7c499998d31a09761554a9/FLAGe5b5c7757 [2023-11-21 18:52:41,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/data/27cf8feb7/9d975cea1a7c499998d31a09761554a9 [2023-11-21 18:52:41,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:41,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:41,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:41,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:41,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:41,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497c5792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41, skipping insertion in model container [2023-11-21 18:52:41,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:41,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:41,609 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:41,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:41,675 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:41,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41 WrapperNode [2023-11-21 18:52:41,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:41,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:41,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:41,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:41,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,747 INFO L138 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-21 18:52:41,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:41,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:41,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:41,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:41,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:41,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:41,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:41,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:41,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:41" (1/1) ... [2023-11-21 18:52:41,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:41,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:41,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:41,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:52:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:52:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:52:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:52:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:52:42,022 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:42,024 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:02,927 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:02,995 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:03,002 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:53:03,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:03 BoogieIcfgContainer [2023-11-21 18:53:03,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:03,005 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:03,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:03,017 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:03,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-11-21 18:53:03,110 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-11-21 18:53:03,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:53:03,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:53:03,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:53:03,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:53:03,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec0680d-95ac-486f-997d-4f2e9e35d1d3/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:53:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:53:03,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:53:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat