./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_3_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf18a45b9b9a30137533b9517bddb2c27979a6060c07746e0407bf72765a3792 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:07:45,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:07:45,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:07:45,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:07:45,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:07:45,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:07:45,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:07:45,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:07:45,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:07:45,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:07:45,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:07:45,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:07:45,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:07:45,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:07:45,532 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:07:45,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:07:45,533 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:07:45,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:07:45,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:07:45,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:07:45,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:07:45,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:07:45,533 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:07:45,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:07:45,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> bf18a45b9b9a30137533b9517bddb2c27979a6060c07746e0407bf72765a3792 [2024-12-06 01:07:45,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:07:45,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:07:45,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:07:45,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:07:45,749 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:07:45,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_3.i [2024-12-06 01:07:48,361 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data/7da45674d/5db247a72fdc46fcaf136a7a69dbce6e/FLAGabec6a213 [2024-12-06 01:07:48,552 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:07:48,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i [2024-12-06 01:07:48,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data/7da45674d/5db247a72fdc46fcaf136a7a69dbce6e/FLAGabec6a213 [2024-12-06 01:07:48,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data/7da45674d/5db247a72fdc46fcaf136a7a69dbce6e [2024-12-06 01:07:48,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:07:48,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:07:48,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:07:48,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:07:48,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:07:48,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:48" (1/1) ... [2024-12-06 01:07:48,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdc8812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:48, skipping insertion in model container [2024-12-06 01:07:48,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:48" (1/1) ... [2024-12-06 01:07:48,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:07:49,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i[1226,1239] [2024-12-06 01:07:49,110 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i[2828,2841] [2024-12-06 01:07:49,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:07:49,117 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:07:49,127 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i[1226,1239] [2024-12-06 01:07:49,135 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i[2828,2841] [2024-12-06 01:07:49,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:07:49,146 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:07:49,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49 WrapperNode [2024-12-06 01:07:49,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:07:49,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:07:49,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:07:49,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:07:49,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,173 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-06 01:07:49,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:07:49,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:07:49,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:07:49,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:07:49,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:07:49,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:07:49,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:07:49,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:07:49,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:07:49,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:07:49,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:07:49,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:07:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:07:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:07:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:07:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:07:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:07:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:07:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:07:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:07:49,296 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:07:49,298 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:07:49,466 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 01:07:49,466 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:07:49,518 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:07:49,519 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:07:49,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:07:49 BoogieIcfgContainer [2024-12-06 01:07:49,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:07:49,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:07:49,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:07:49,527 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:07:49,527 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:07:49" (1/1) ... [2024-12-06 01:07:49,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:07:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 01:07:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 01:07:49,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:07:49,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:49,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:07:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 01:07:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 01:07:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:07:49,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:49,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:07:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 01:07:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 01:07:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:07:50,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:50,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:07:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:07:52,215 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:07:52,218 INFO L158 Benchmark]: Toolchain (without parser) took 3249.52ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 88.4MB in the end (delta: 28.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-12-06 01:07:52,218 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:07:52,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.47ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.9MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:07:52,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.17ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:07:52,219 INFO L158 Benchmark]: Boogie Preprocessor took 15.43ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 102.4MB in the end (delta: 828.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:07:52,219 INFO L158 Benchmark]: RCFGBuilder took 329.89ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 84.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:07:52,220 INFO L158 Benchmark]: CodeCheck took 2697.33ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 88.4MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:07:52,221 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.47ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.9MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.17ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.43ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 102.4MB in the end (delta: 828.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.89ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 84.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2697.33ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 88.4MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:07:52,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf18a45b9b9a30137533b9517bddb2c27979a6060c07746e0407bf72765a3792 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:07:54,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:07:54,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:07:54,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:07:54,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:07:54,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:07:54,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:07:54,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:07:54,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:07:54,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:07:54,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:07:54,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:07:54,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:07:54,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:07:54,252 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:07:54,252 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:07:54,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:07:54,252 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:54,252 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:07:54,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:07:54,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:07:54,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:07:54,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:07:54,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:07:54,253 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:07:54,253 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:54,253 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:07:54,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> bf18a45b9b9a30137533b9517bddb2c27979a6060c07746e0407bf72765a3792 [2024-12-06 01:07:54,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:07:54,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:07:54,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:07:54,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:07:54,494 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:07:54,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_3.i [2024-12-06 01:07:57,205 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data/eafb7561c/1cc900602fc648908096fd6ddb4ac28f/FLAG407af47e4 [2024-12-06 01:07:57,385 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:07:57,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i [2024-12-06 01:07:57,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data/eafb7561c/1cc900602fc648908096fd6ddb4ac28f/FLAG407af47e4 [2024-12-06 01:07:57,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/data/eafb7561c/1cc900602fc648908096fd6ddb4ac28f [2024-12-06 01:07:57,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:07:57,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:07:57,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:07:57,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:07:57,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:07:57,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127c4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57, skipping insertion in model container [2024-12-06 01:07:57,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:07:57,895 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i[1226,1239] [2024-12-06 01:07:57,912 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i[2828,2841] [2024-12-06 01:07:57,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:07:57,921 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:07:57,929 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i[1226,1239] [2024-12-06 01:07:57,936 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/sv-benchmarks/c/combinations/gcd_1+newton_3_3.i[2828,2841] [2024-12-06 01:07:57,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:07:57,947 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:07:57,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57 WrapperNode [2024-12-06 01:07:57,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:07:57,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:07:57,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:07:57,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:07:57,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,969 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 01:07:57,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:07:57,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:07:57,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:07:57,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:07:57,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,984 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:07:57,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:07:57,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:07:57,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:07:57,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:57" (1/1) ... [2024-12-06 01:07:57,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:07:58,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:07:58,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:07:58,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:07:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:07:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:07:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:07:58,040 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:07:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:07:58,040 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:07:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:07:58,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:07:58,096 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:07:58,098 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:08:24,001 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 01:08:24,001 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:08:24,066 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:08:24,066 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:08:24,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:08:24 BoogieIcfgContainer [2024-12-06 01:08:24,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:08:24,067 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:08:24,067 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:08:24,076 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:08:24,076 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:08:24" (1/1) ... [2024-12-06 01:08:24,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:08:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 01:08:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 01:08:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:08:24,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:24,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:24,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:24,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:24,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:08:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:24,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:24,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:08:24,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:08:24,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:08:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 01:08:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 01:08:24,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:08:24,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:24,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:24,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:24,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:24,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:08:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:24,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:24,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:08:24,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:08:25,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:08:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:26,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 01:08:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 01:08:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:08:26,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:26,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:26,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:26,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:26,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:08:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:27,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:29,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:08:29,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:08:39,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:08:50,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:08:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 01:08:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 01:08:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:08:53,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:53,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:53,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:53,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:08:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:53,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:55,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:08:55,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:09:02,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:09:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-06 01:09:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-06 01:09:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:09:13,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:13,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:13,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:13,788 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:13,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b630b8f-1723-4988-a647-e5ef834c952a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process