./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 04:02:01,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:01,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:02:01,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:01,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:01,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:01,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:01,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:01,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:01,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:01,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:01,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:01,756 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:01,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:01,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:01,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:01,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:01,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:01,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:01,760 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:02:01,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:01,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:01,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:01,763 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:01,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:01,764 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:01,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:01,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:01,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:01,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:01,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:01,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:01,768 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:01,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:01,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:01,769 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_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-11-19 04:02:02,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:02,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:02,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:02,058 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:02,058 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:02,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-19 04:02:05,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:05,440 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:05,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-19 04:02:05,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/data/1891b99c4/52abafded6674a6286ca4bbbc618ccd4/FLAGcfed032c0 [2023-11-19 04:02:05,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/data/1891b99c4/52abafded6674a6286ca4bbbc618ccd4 [2023-11-19 04:02:05,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:05,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:05,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:05,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:05,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:05,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d05def8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05, skipping insertion in model container [2023-11-19 04:02:05,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:05,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:05,710 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:05,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:05,738 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:05,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05 WrapperNode [2023-11-19 04:02:05,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:05,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:05,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:05,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:05,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,776 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-11-19 04:02:05,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:05,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:05,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:05,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:05,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:05,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:05,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:05,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:05,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:05" (1/1) ... [2023-11-19 04:02:05,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:05,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:05,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:05,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:02:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:02:05,978 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:05,980 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:06,190 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:06,230 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:06,231 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:02:06,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:06 BoogieIcfgContainer [2023-11-19 04:02:06,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:06,237 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:06,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:06,249 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:06,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:06" (1/1) ... [2023-11-19 04:02:06,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:06,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-19 04:02:06,328 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-19 04:02:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:02:06,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:06,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:06,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:02:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:06,519 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:02:06,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:02:06 ImpRootNode [2023-11-19 04:02:06,548 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:02:06,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:02:06,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:02:06,550 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:02:06,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:06" (3/4) ... [2023-11-19 04:02:06,556 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:02:06,557 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:02:06,560 INFO L158 Benchmark]: Toolchain (without parser) took 1092.43ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 121.4MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:06,561 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:06,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.83ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 104.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:02:06,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.61ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 102.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:06,565 INFO L158 Benchmark]: Boogie Preprocessor took 32.98ms. Allocated memory is still 157.3MB. Free memory was 102.8MB in the beginning and 101.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:06,566 INFO L158 Benchmark]: RCFGBuilder took 425.36ms. Allocated memory is still 157.3MB. Free memory was 101.5MB in the beginning and 87.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:02:06,567 INFO L158 Benchmark]: CodeCheck took 310.82ms. Allocated memory is still 157.3MB. Free memory was 87.3MB in the beginning and 122.3MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:06,568 INFO L158 Benchmark]: Witness Printer took 9.47ms. Allocated memory is still 157.3MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:06,577 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 0.32ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.83ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 104.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.61ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 102.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.98ms. Allocated memory is still 157.3MB. Free memory was 102.8MB in the beginning and 101.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.36ms. Allocated memory is still 157.3MB. Free memory was 101.5MB in the beginning and 87.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 310.82ms. Allocated memory is still 157.3MB. Free memory was 87.3MB in the beginning and 122.3MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.47ms. Allocated memory is still 157.3MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:02:06,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 04:02:09,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:09,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:02:09,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:09,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:09,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:09,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:09,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:09,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:09,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:09,579 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:09,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:09,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:09,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:09,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:09,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:09,584 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:02:09,584 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:02:09,585 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:02:09,586 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:02:09,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:09,587 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:09,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:09,588 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:09,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:09,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:09,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:09,590 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:09,590 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:09,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:09,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:09,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:09,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:09,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:09,594 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:02:09,594 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:09,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:09,595 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:02:09,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:09,596 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_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-11-19 04:02:10,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:10,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:10,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:10,083 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:10,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:10,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-19 04:02:13,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:13,541 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:13,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-19 04:02:13,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/data/5282060f3/05f02c6cb6c34fe5a83e8f5b3a41f50a/FLAG0d580201b [2023-11-19 04:02:13,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/data/5282060f3/05f02c6cb6c34fe5a83e8f5b3a41f50a [2023-11-19 04:02:13,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:13,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:13,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:13,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:13,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:13,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfc3675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13, skipping insertion in model container [2023-11-19 04:02:13,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:13,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:13,847 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:13,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:13,910 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:13,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13 WrapperNode [2023-11-19 04:02:13,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:13,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:13,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:13,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:13,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,974 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-19 04:02:13,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:13,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:13,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:13,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:13,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:14,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:14,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:14,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:14,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:14,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:14,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:14,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:14,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:14,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:14,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:14,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:14,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:14,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:02:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:02:14,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:02:14,219 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:14,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:16,144 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:16,197 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:16,197 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:02:16,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:16 BoogieIcfgContainer [2023-11-19 04:02:16,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:16,203 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:16,204 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:16,214 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:16,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:16" (1/1) ... [2023-11-19 04:02:16,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:16,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-19 04:02:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-19 04:02:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:02:16,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:16,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:16,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:02:16,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:02:16,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfd6054-afa4-4958-9343-eb9492afcf4b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:02:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:16,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:02:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat