./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:40,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:40,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:29:40,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:29:40,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:29:40,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:40,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:40,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:40,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:40,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:40,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:40,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:40,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:29:40,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:29:40,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:29:40,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:40,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:40,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:40,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:40,678 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:29:40,679 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:29:40,680 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:29:40,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:40,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:40,683 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:40,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:40,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:40,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:40,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:40,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:40,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:40,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:40,690 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:29:40,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:29:40,691 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:40,691 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_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-11-21 18:29:41,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:41,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:41,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:41,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:41,132 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:41,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-21 18:29:44,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:44,899 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:44,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-21 18:29:44,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/data/a306a1527/c890ec16832a44619f7f727f0bd00b68/FLAG72b982dfb [2023-11-21 18:29:44,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/data/a306a1527/c890ec16832a44619f7f727f0bd00b68 [2023-11-21 18:29:44,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:44,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:44,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:44,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:44,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:44,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:44" (1/1) ... [2023-11-21 18:29:44,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e533848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:44, skipping insertion in model container [2023-11-21 18:29:44,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:44" (1/1) ... [2023-11-21 18:29:44,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:45,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:45,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:45,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:45,212 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:45,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45 WrapperNode [2023-11-21 18:29:45,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:45,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:45,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:45,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:45,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,261 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-11-21 18:29:45,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:45,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:45,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:45,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:45,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:45,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:45,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:45,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:45,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:45,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:45,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:29:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:29:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:29:45,494 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:45,497 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:45,792 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:45,881 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:45,897 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:29:45,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:45 BoogieIcfgContainer [2023-11-21 18:29:45,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:45,901 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:45,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:45,918 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:45,918 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-21 18:29:46,004 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-21 18:29:46,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:29:46,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:46,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:46,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:29:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:46,179 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:29:46,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:29:46 ImpRootNode [2023-11-21 18:29:46,212 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:29:46,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:29:46,214 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:29:46,214 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:29:46,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:45" (3/4) ... [2023-11-21 18:29:46,218 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:29:46,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:29:46,221 INFO L158 Benchmark]: Toolchain (without parser) took 1288.10ms. Allocated memory is still 176.2MB. Free memory was 129.4MB in the beginning and 90.8MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,222 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 144.7MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:46,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.08ms. Allocated memory is still 176.2MB. Free memory was 129.4MB in the beginning and 118.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.00ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 117.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,226 INFO L158 Benchmark]: Boogie Preprocessor took 28.11ms. Allocated memory is still 176.2MB. Free memory was 117.2MB in the beginning and 116.4MB in the end (delta: 843.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,227 INFO L158 Benchmark]: RCFGBuilder took 608.36ms. Allocated memory is still 176.2MB. Free memory was 116.4MB in the beginning and 101.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,228 INFO L158 Benchmark]: CodeCheck took 311.62ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 91.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,228 INFO L158 Benchmark]: Witness Printer took 6.85ms. Allocated memory is still 176.2MB. Free memory was 91.2MB in the beginning and 90.8MB in the end (delta: 417.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:46,234 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 0.39ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 144.7MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.08ms. Allocated memory is still 176.2MB. Free memory was 129.4MB in the beginning and 118.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.00ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 117.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.11ms. Allocated memory is still 176.2MB. Free memory was 117.2MB in the beginning and 116.4MB in the end (delta: 843.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.36ms. Allocated memory is still 176.2MB. Free memory was 116.4MB in the beginning and 101.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 311.62ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 91.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.85ms. Allocated memory is still 176.2MB. Free memory was 91.2MB in the beginning and 90.8MB in the end (delta: 417.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:29:46,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:49,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:49,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:29:49,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:49,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:49,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:49,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:49,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:49,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:49,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:49,665 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:29:49,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:29:49,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:49,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:49,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:49,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:49,670 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:29:49,671 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:29:49,672 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:29:49,672 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:29:49,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:29:49,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:29:49,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:49,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:49,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:49,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:49,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:49,677 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:49,677 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:29:49,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:49,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:49,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:49,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:49,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:49,682 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:29:49,682 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:49,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:49,683 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:29:49,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:29:49,685 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_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-11-21 18:29:50,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:50,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:50,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:50,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:50,205 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:50,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-21 18:29:53,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:54,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:54,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-21 18:29:54,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/data/6848ea8f7/e4dd75dc6346474185b986d1bfd5f6f2/FLAG383345cac [2023-11-21 18:29:54,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/data/6848ea8f7/e4dd75dc6346474185b986d1bfd5f6f2 [2023-11-21 18:29:54,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:54,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:54,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:54,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:54,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:54,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227fe5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54, skipping insertion in model container [2023-11-21 18:29:54,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:54,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:54,599 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:54,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:54,645 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:54,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54 WrapperNode [2023-11-21 18:29:54,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:54,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:54,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:54,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:54,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,695 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-21 18:29:54,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:54,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:54,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:54,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:54,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:54,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:54,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:54,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:54,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:54,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:54,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:54,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:29:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:54,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:29:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:29:54,951 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:54,956 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:57,513 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:57,609 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:57,609 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:29:57,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:57 BoogieIcfgContainer [2023-11-21 18:29:57,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:57,613 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:57,613 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:57,626 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:57,627 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:57" (1/1) ... [2023-11-21 18:29:57,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-21 18:29:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-21 18:29:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:29:57,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:57,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:57,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:29:57,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:29:57,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b39a8ee-115b-41a9-9fa6-bfb004d580c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:29:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:58,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:29:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat