./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL --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 8b7456a459f55f53693cf2fdc2ecfa85b54010339cb65d2080cc061b58d33cf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:33:58,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:33:58,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:33:58,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:33:58,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:33:58,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:33:58,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:33:58,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:33:58,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:33:58,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:33:58,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:33:58,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:33:58,720 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:33:58,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:33:58,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:33:58,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:33:58,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:33:58,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:33:58,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:33:58,724 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:33:58,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:33:58,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:33:58,726 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:33:58,726 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:33:58,727 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:33:58,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:33:58,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:58,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:33:58,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:33:58,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:33:58,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:33:58,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:33:58,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:33:58,731 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_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b7456a459f55f53693cf2fdc2ecfa85b54010339cb65d2080cc061b58d33cf8 [2023-11-19 03:33:59,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:33:59,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:33:59,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:33:59,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:33:59,088 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:33:59,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i [2023-11-19 03:34:02,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:02,578 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:02,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i [2023-11-19 03:34:02,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/data/21444807f/66b356a7558d44d6bdddf089f54aaa32/FLAG31cc7651f [2023-11-19 03:34:02,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/data/21444807f/66b356a7558d44d6bdddf089f54aaa32 [2023-11-19 03:34:02,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:02,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:02,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:02,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:02,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:02,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:02,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513bdc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02, skipping insertion in model container [2023-11-19 03:34:02,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:02,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:02,869 WARN L240 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_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[1226,1239] [2023-11-19 03:34:02,911 WARN L240 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_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[2841,2854] [2023-11-19 03:34:02,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:02,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:02,938 WARN L240 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_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[1226,1239] [2023-11-19 03:34:02,956 WARN L240 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_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[2841,2854] [2023-11-19 03:34:02,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:02,979 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:02,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02 WrapperNode [2023-11-19 03:34:02,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:02,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:02,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:02,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:02,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,032 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2023-11-19 03:34:03,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:03,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:03,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:03,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:03,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:03,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:03,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:03,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:03,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:02" (1/1) ... [2023-11-19 03:34:03,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:03,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:03,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:03,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 03:34:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 03:34:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 03:34:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 03:34:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:03,231 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:03,233 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:03,433 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:03,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:03,524 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:34:03,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:03 BoogieIcfgContainer [2023-11-19 03:34:03,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:03,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:03,531 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:03,544 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:03,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:03" (1/1) ... [2023-11-19 03:34:03,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:03,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-19 03:34:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-19 03:34:03,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:34:03,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:03,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:04,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-19 03:34:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-19 03:34:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:34:04,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:04,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:04,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:34:04,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:28,289 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (let ((.cse8 (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (.cse0 (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0)) (.cse1 (<= .cse2 127)) (.cse7 (<= 128 .cse2)) (.cse6 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse4 (+ .cse2 (- 256))) (.cse3 (= |c_ULTIMATE.start_gcd_test_~b#1| 0))) (or (and .cse0 (or (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (<= |v_ULTIMATE.start_gcd_test_~b#1_24| 127) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_24|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_24| 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_24|)))) (and (or (and .cse3 (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (<= |v_ULTIMATE.start_gcd_test_~b#1_24| 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_24| 0)) (= (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_24|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_24|)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (let ((.cse5 (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_24|))) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (<= |v_ULTIMATE.start_gcd_test_~b#1_24| 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_24| 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_24|) (not (= .cse5 0)) (= (mod (+ .cse5 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_24|)) 256) .cse6))))) .cse7))) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_24| 1) 0) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~b#1_24|)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) 256)))) .cse8) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (<= |v_ULTIMATE.start_gcd_test_~b#1_24| 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_24| 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_24|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) 256)))) .cse8) (and .cse0 (or (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_24|) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_24| 1) 0) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~b#1_24|))))) (and .cse7 (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (let ((.cse9 (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_24|))) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (= (mod (+ .cse9 |v_ULTIMATE.start_gcd_test_~b#1_24|) 256) .cse6) (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_24| 1) 0) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~b#1_24|)) (not (= .cse9 0))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_24| 1) 0) (= (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_24|) 0))) .cse3)))))))) is different from true [2023-11-19 03:34:42,397 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (let ((.cse5 (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (.cse4 (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0)) (.cse0 (<= .cse1 127)) (.cse3 (+ .cse1 (- 256))) (.cse2 (<= 128 .cse1))) (or (and (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_24| 127) (= (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~b#1_24|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (not (= |v_ULTIMATE.start_gcd_test_~b#1_24| 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_24|)))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_24| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (not (= |v_ULTIMATE.start_gcd_test_~b#1_24| 0)) (= (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_24|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_24|))))) .cse4) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_24| 127) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (not (= |v_ULTIMATE.start_gcd_test_~b#1_24| 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_24|))) .cse5) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_24| 1) 0) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~b#1_24|)))) .cse5) (and .cse4 (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (= (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~b#1_24|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_24| 1) 0) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~b#1_24|))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_24| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~b#1_24|) (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_24| 1) 0) (= (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_24|) 0))) .cse2)))))) is different from true [2023-11-19 03:34:43,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-11-19 03:34:57,982 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-19 03:34:57,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 101 [2023-11-19 03:34:57,983 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:915) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:472) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2023-11-19 03:34:57,988 INFO L158 Benchmark]: Toolchain (without parser) took 55371.10ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 63.5MB in the end (delta: 48.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 03:34:57,988 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:57,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.90ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 99.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:57,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.91ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 98.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:57,991 INFO L158 Benchmark]: Boogie Preprocessor took 30.84ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:57,991 INFO L158 Benchmark]: RCFGBuilder took 464.68ms. Allocated memory is still 155.2MB. Free memory was 96.6MB in the beginning and 80.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:34:57,992 INFO L158 Benchmark]: CodeCheck took 54455.43ms. Allocated memory is still 155.2MB. Free memory was 80.2MB in the beginning and 63.5MB in the end (delta: 16.7MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-11-19 03:34:57,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.90ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 99.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.91ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 98.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.84ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.68ms. Allocated memory is still 155.2MB. Free memory was 96.6MB in the beginning and 80.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 54455.43ms. Allocated memory is still 155.2MB. Free memory was 80.2MB in the beginning and 63.5MB in the end (delta: 16.7MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL --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 8b7456a459f55f53693cf2fdc2ecfa85b54010339cb65d2080cc061b58d33cf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:00,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:00,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:35:00,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:00,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:35:00,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:35:00,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:00,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:00,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:00,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:35:00,794 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:00,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:00,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:00,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:35:00,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:00,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:35:00,798 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:35:00,798 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:35:00,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:35:00,800 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:00,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:35:00,801 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:00,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:00,802 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:00,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:00,803 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:00,803 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:00,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:00,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:00,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:00,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:00,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:35:00,807 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:35:00,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:00,808 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:35:00,808 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:35:00,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:00,809 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b7456a459f55f53693cf2fdc2ecfa85b54010339cb65d2080cc061b58d33cf8 [2023-11-19 03:35:01,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:01,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:01,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:01,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:01,323 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:01,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_3+newton_2_1.i [2023-11-19 03:35:04,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:04,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:04,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i [2023-11-19 03:35:04,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/data/908194b16/7d47acb4e89c417ca3d9da6481c9e56d/FLAG9bf12b15a [2023-11-19 03:35:04,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/data/908194b16/7d47acb4e89c417ca3d9da6481c9e56d [2023-11-19 03:35:04,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:04,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:04,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:04,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:04,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:04,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e56d57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04, skipping insertion in model container [2023-11-19 03:35:04,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,952 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:05,193 WARN L240 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_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[1226,1239] [2023-11-19 03:35:05,255 WARN L240 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_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[2841,2854] [2023-11-19 03:35:05,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:05,279 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:05,302 WARN L240 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_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[1226,1239] [2023-11-19 03:35:05,337 WARN L240 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_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/sv-benchmarks/c/combinations/gcd_3+newton_2_1.i[2841,2854] [2023-11-19 03:35:05,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:05,358 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:05,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05 WrapperNode [2023-11-19 03:35:05,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:05,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:05,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:05,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:05,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,432 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 83 [2023-11-19 03:35:05,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:05,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:05,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:05,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:05,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:05,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:05,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:05,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:05,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:05,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:05,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:05,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd9b7b4-9dbd-4577-bddf-63690139d5a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:35:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 03:35:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 03:35:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 03:35:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 03:35:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:05,737 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:05,739 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation