./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/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_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/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_63c86bab-adc1-410b-b25d-59f34ea30f31/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 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:28,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:28,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:34:28,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:28,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:28,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:28,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:28,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:28,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:28,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:28,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:28,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:28,994 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:34:28,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:28,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:34:28,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:28,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:28,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:28,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:28,999 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:28,999 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:29,000 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:34:29,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:29,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:29,002 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:29,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:29,003 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:29,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:29,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:29,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:29,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:29,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:29,007 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:29,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:29,007 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:29,007 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_63c86bab-adc1-410b-b25d-59f34ea30f31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c [2023-11-21 18:34:29,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:29,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:29,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:29,360 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:29,361 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:29,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i [2023-11-21 18:34:32,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:32,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:32,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i [2023-11-21 18:34:32,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/data/13f2d51e3/b4d4a1b75a4344e381468c00c70511b7/FLAGb8536dd80 [2023-11-21 18:34:32,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/data/13f2d51e3/b4d4a1b75a4344e381468c00c70511b7 [2023-11-21 18:34:32,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:32,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:32,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:32,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:32,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:32,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:32" (1/1) ... [2023-11-21 18:34:32,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26394f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:32, skipping insertion in model container [2023-11-21 18:34:32,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:32" (1/1) ... [2023-11-21 18:34:32,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:33,183 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:33,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:33,487 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:33,507 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:33,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:33,616 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:33,627 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:33,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33 WrapperNode [2023-11-21 18:34:33,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:33,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:33,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:33,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:33,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,772 INFO L138 Inliner]: procedures = 178, calls = 229, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 925 [2023-11-21 18:34:33,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:33,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:33,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:33,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:33,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:33,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:33,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:33,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:33,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2023-11-21 18:34:33,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:33,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:33,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:33,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:34:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:34:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:34:34,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:34:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:34:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:34:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:34:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:34:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:34:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:34:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:34,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:34,234 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:34,236 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:35,667 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:36,940 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:36,940 INFO L308 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-21 18:34:36,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:36 BoogieIcfgContainer [2023-11-21 18:34:36,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:36,943 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:36,943 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:36,953 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:36,953 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:36" (1/1) ... [2023-11-21 18:34:36,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:37,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2023-11-21 18:34:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2023-11-21 18:34:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:34:37,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2023-11-21 18:34:37,547 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2023-11-21 18:34:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:34:37,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 88 states and 141 transitions. [2023-11-21 18:34:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 141 transitions. [2023-11-21 18:34:37,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:34:37,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 89 states and 143 transitions. [2023-11-21 18:34:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2023-11-21 18:34:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:37,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2023-11-21 18:34:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2023-11-21 18:34:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:34:37,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 89 states and 137 transitions. [2023-11-21 18:34:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 137 transitions. [2023-11-21 18:34:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:34:38,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:38,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 89 states and 131 transitions. [2023-11-21 18:34:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions. [2023-11-21 18:34:38,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:34:38,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:38,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:48,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:34:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2023-11-21 18:34:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2023-11-21 18:34:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:34:48,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:48,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:59,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:35:09,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:35:09,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:09,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-21 18:35:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-21 18:35:09,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:35:09,107 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-21 18:35:09,115 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-21 18:35:09,168 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:09,173 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-21 18:35:09,177 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-21 18:35:09,177 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-21 18:35:09,178 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-21 18:35:09,179 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:09,179 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:09,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:35:09 ImpRootNode [2023-11-21 18:35:09,181 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:35:09,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:35:09,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:35:09,182 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:35:09,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:36" (3/4) ... [2023-11-21 18:35:09,185 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:35:09,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 18:35:09,207 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 152 nodes and edges [2023-11-21 18:35:09,209 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-21 18:35:09,211 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:35:09,213 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:35:09,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:35:09,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:35:09,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:35:09,423 INFO L158 Benchmark]: Toolchain (without parser) took 36600.72ms. Allocated memory was 155.2MB in the beginning and 253.8MB in the end (delta: 98.6MB). Free memory was 106.7MB in the beginning and 78.0MB in the end (delta: 28.7MB). Peak memory consumption was 129.2MB. Max. memory is 16.1GB. [2023-11-21 18:35:09,423 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:09,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.86ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 77.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 18:35:09,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.63ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 77.2MB in the beginning and 168.1MB in the end (delta: -90.9MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-21 18:35:09,425 INFO L158 Benchmark]: Boogie Preprocessor took 119.03ms. Allocated memory is still 201.3MB. Free memory was 168.1MB in the beginning and 162.3MB in the end (delta: 5.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-21 18:35:09,425 INFO L158 Benchmark]: RCFGBuilder took 3024.29ms. Allocated memory was 201.3MB in the beginning and 253.8MB in the end (delta: 52.4MB). Free memory was 162.3MB in the beginning and 126.6MB in the end (delta: 35.8MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2023-11-21 18:35:09,426 INFO L158 Benchmark]: CodeCheck took 32238.55ms. Allocated memory is still 253.8MB. Free memory was 126.6MB in the beginning and 89.5MB in the end (delta: 37.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-11-21 18:35:09,426 INFO L158 Benchmark]: Witness Printer took 240.66ms. Allocated memory is still 253.8MB. Free memory was 89.5MB in the beginning and 78.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:35:09,428 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, 85 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 32.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 40.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 40.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 126 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((i == 0) && (sum == 0)) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.86ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 77.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 167.63ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 77.2MB in the beginning and 168.1MB in the end (delta: -90.9MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.03ms. Allocated memory is still 201.3MB. Free memory was 168.1MB in the beginning and 162.3MB in the end (delta: 5.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3024.29ms. Allocated memory was 201.3MB in the beginning and 253.8MB in the end (delta: 52.4MB). Free memory was 162.3MB in the beginning and 126.6MB in the end (delta: 35.8MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. * CodeCheck took 32238.55ms. Allocated memory is still 253.8MB. Free memory was 126.6MB in the beginning and 89.5MB in the end (delta: 37.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Witness Printer took 240.66ms. Allocated memory is still 253.8MB. Free memory was 89.5MB in the beginning and 78.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:35:09,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c86bab-adc1-410b-b25d-59f34ea30f31/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 Writing output log to file Ultimate.log Result: TRUE