./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/prodbin.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_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi --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 d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:10,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:10,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:54:10,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:10,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:10,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:10,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:10,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:10,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:10,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:10,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:10,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:10,636 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:10,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:10,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:10,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:10,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:10,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:10,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:10,640 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:10,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:10,641 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:10,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:10,642 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:10,643 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:10,644 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:10,644 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:10,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:10,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:10,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:10,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:10,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:10,648 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:10,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:10,648 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:10,649 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_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-11-24 22:54:10,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:11,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:11,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:11,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:11,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:11,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-24 22:54:14,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:14,370 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:14,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-24 22:54:14,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/data/676b043d6/4f78ad4434e14f1f9bc02c5efa695c42/FLAG24756ffbd [2023-11-24 22:54:14,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/data/676b043d6/4f78ad4434e14f1f9bc02c5efa695c42 [2023-11-24 22:54:14,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:14,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:14,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:14,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:14,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:14,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3916ed3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14, skipping insertion in model container [2023-11-24 22:54:14,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:14,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:14,612 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:14,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:14,641 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:14,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14 WrapperNode [2023-11-24 22:54:14,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:14,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:14,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:14,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:14,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,689 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-11-24 22:54:14,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:14,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:14,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:14,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:14,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:14,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:14,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:14,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:14,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:14" (1/1) ... [2023-11-24 22:54:14,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:14,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:14,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:14,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:14,908 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:14,910 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:15,245 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:15,297 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:15,297 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:54:15,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:15 BoogieIcfgContainer [2023-11-24 22:54:15,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:15,300 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:15,300 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:15,311 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:15,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:15" (1/1) ... [2023-11-24 22:54:15,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-24 22:54:15,396 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-24 22:54:15,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:15,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:15,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:15,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:15,531 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:54:15,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:54:15 ImpRootNode [2023-11-24 22:54:15,553 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:54:15,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:54:15,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:54:15,555 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:54:15,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:15" (3/4) ... [2023-11-24 22:54:15,558 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:54:15,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:54:15,561 INFO L158 Benchmark]: Toolchain (without parser) took 1162.04ms. Allocated memory is still 153.1MB. Free memory was 121.4MB in the beginning and 105.0MB in the end (delta: 16.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:15,561 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:15,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.44ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 110.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:54:15,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.37ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 108.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:15,564 INFO L158 Benchmark]: Boogie Preprocessor took 23.68ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 107.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:15,564 INFO L158 Benchmark]: RCFGBuilder took 584.74ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 116.2MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:54:15,565 INFO L158 Benchmark]: CodeCheck took 253.54ms. Allocated memory is still 153.1MB. Free memory was 116.2MB in the beginning and 105.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:54:15,566 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 153.1MB. Free memory was 105.8MB in the beginning and 105.0MB in the end (delta: 732.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:15,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 42 locations, 16 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, 3 NumberOfCodeBlocks, 3 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: 33]: 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 24. Possible FailurePath: [L21] int a, b; [L22] int x, y, z; [L24] a = __VERIFIER_nondet_double() [L25] b = __VERIFIER_nondet_double() [L26] CALL assume_abort_if_not(b >= 1) [L10] COND FALSE !(!cond) [L26] RET assume_abort_if_not(b >= 1) [L28] x = a [L29] y = b [L30] z = 0 VAL [a=-2147483649, b=1, x=-2147483649, y=1, z=0] [L32] COND TRUE 1 VAL [a=-2147483649, b=1, x=-2147483649, y=1, z=0] [L33] x * y VAL [a=-2147483649, b=1, x=-2147483649, y=1, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.44ms. Allocated memory is still 153.1MB. Free memory was 120.7MB 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 46.37ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 108.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.68ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 107.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.74ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 116.2MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 253.54ms. Allocated memory is still 153.1MB. Free memory was 116.2MB in the beginning and 105.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 153.1MB. Free memory was 105.8MB in the beginning and 105.0MB in the end (delta: 732.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:54:15,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/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_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi --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 d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:18,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:18,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:54:18,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:18,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:18,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:18,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:18,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:18,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:18,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:18,529 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:18,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:18,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:18,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:18,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:18,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:18,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:54:18,533 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:54:18,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:18,534 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:54:18,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:18,535 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:18,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:18,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:18,537 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:18,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:18,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:18,538 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:18,538 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:18,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:18,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:18,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:18,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:18,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:18,541 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:54:18,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:18,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:18,542 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:54:18,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:18,543 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_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-11-24 22:54:18,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:18,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:18,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:18,970 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:18,971 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:18,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-24 22:54:22,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:22,401 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:22,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-24 22:54:22,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/data/3374ce0f8/65a4553ea99d430891b2f4f687afb046/FLAG3b511a4d6 [2023-11-24 22:54:22,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/data/3374ce0f8/65a4553ea99d430891b2f4f687afb046 [2023-11-24 22:54:22,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:22,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:22,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:22,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:22,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:22,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d18ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22, skipping insertion in model container [2023-11-24 22:54:22,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:22,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:22,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:22,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:22,797 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:22,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22 WrapperNode [2023-11-24 22:54:22,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:22,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:22,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:22,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:22,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,841 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-24 22:54:22,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:22,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:22,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:22,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:22,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:22,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:22,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:22,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:22,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:22" (1/1) ... [2023-11-24 22:54:22,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:22,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:22,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:22,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:54:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:23,094 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:23,097 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:25,459 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:25,530 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:25,530 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:54:25,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:25 BoogieIcfgContainer [2023-11-24 22:54:25,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:25,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:25,534 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:25,546 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:25,546 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:25" (1/1) ... [2023-11-24 22:54:25,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-24 22:54:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-24 22:54:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:25,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:25,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:25,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:25,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:25,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af1c359-9029-47d5-b895-4e14427074fe/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:54:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:26,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat