./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9 --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 64bit --witnessprinter.graph.data.programhash b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:51:58,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:51:58,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 20:51:58,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:51:58,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:51:58,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:51:58,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:51:58,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:51:58,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:51:58,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:51:58,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:51:58,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:51:58,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:51:58,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:51:58,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:51:58,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:51:58,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:51:58,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:51:58,836 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:51:58,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:51:58,837 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:51:58,838 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:51:58,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:51:58,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:51:58,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:51:58,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:51:58,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:51:58,841 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:51:58,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:51:58,842 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:51:58,842 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_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b [2023-12-02 20:51:59,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:51:59,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:51:59,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:51:59,091 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:51:59,092 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:51:59,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2023-12-02 20:52:01,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:52:02,221 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:52:02,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2023-12-02 20:52:02,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/data/ebdc93db0/094fa832fc2047aba7b612e324c96982/FLAG87530b4b9 [2023-12-02 20:52:02,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/data/ebdc93db0/094fa832fc2047aba7b612e324c96982 [2023-12-02 20:52:02,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:52:02,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:52:02,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:52:02,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:52:02,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:52:02,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:02,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9657941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02, skipping insertion in model container [2023-12-02 20:52:02,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:02,331 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:52:02,503 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_2c30a743-2cee-443c-8aa7-b95154e784db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2023-12-02 20:52:02,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:52:02,764 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:52:02,774 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_2c30a743-2cee-443c-8aa7-b95154e784db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2023-12-02 20:52:02,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:52:02,980 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:52:02,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02 WrapperNode [2023-12-02 20:52:02,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:52:02,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:52:02,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:52:02,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:52:02,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,416 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4980 [2023-12-02 20:52:03,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:52:03,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:52:03,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:52:03,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:52:03,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:52:03,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:52:03,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:52:03,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:52:03,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:02" (1/1) ... [2023-12-02 20:52:03,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:52:03,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:52:03,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:52:04,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:52:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:52:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:52:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:52:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:52:04,334 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:52:04,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:52:07,812 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:52:13,865 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:52:13,866 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:52:13,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:52:13 BoogieIcfgContainer [2023-12-02 20:52:13,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:52:13,868 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:52:13,868 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:52:13,878 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:52:13,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:52:13" (1/1) ... [2023-12-02 20:52:13,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:52:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:52:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 20:52:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 20:52:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 20:52:13,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:52:13,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:52:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:52:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:52:26,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:52:37,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:52:38,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:52:44,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:52:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:52:44,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 20:52:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 20:52:44,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:52:44,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:52:44,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:54:30,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:56:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:56:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 20:56:18,904 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:488) 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) [2023-12-02 20:56:18,907 INFO L158 Benchmark]: Toolchain (without parser) took 256650.06ms. Allocated memory was 144.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 111.4MB in the beginning and 434.4MB in the end (delta: -323.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-12-02 20:56:18,907 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:56:18,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.96ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 111.4MB in the beginning and 138.2MB in the end (delta: -26.8MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2023-12-02 20:56:18,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 434.40ms. Allocated memory is still 186.6MB. Free memory was 138.2MB in the beginning and 71.8MB in the end (delta: 66.4MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2023-12-02 20:56:18,909 INFO L158 Benchmark]: Boogie Preprocessor took 549.81ms. Allocated memory was 186.6MB in the beginning and 320.9MB in the end (delta: 134.2MB). Free memory was 71.8MB in the beginning and 202.2MB in the end (delta: -130.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2023-12-02 20:56:18,910 INFO L158 Benchmark]: RCFGBuilder took 9900.24ms. Allocated memory was 320.9MB in the beginning and 876.6MB in the end (delta: 555.7MB). Free memory was 201.1MB in the beginning and 473.4MB in the end (delta: -272.3MB). Peak memory consumption was 600.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:18,911 INFO L158 Benchmark]: CodeCheck took 245037.74ms. Allocated memory was 876.6MB in the beginning and 1.8GB in the end (delta: 876.6MB). Free memory was 473.4MB in the beginning and 434.4MB in the end (delta: 39.0MB). Peak memory consumption was 916.7MB. Max. memory is 16.1GB. [2023-12-02 20:56:18,913 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.96ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 111.4MB in the beginning and 138.2MB in the end (delta: -26.8MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 434.40ms. Allocated memory is still 186.6MB. Free memory was 138.2MB in the beginning and 71.8MB in the end (delta: 66.4MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 549.81ms. Allocated memory was 186.6MB in the beginning and 320.9MB in the end (delta: 134.2MB). Free memory was 71.8MB in the beginning and 202.2MB in the end (delta: -130.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9900.24ms. Allocated memory was 320.9MB in the beginning and 876.6MB in the end (delta: 555.7MB). Free memory was 201.1MB in the beginning and 473.4MB in the end (delta: -272.3MB). Peak memory consumption was 600.1MB. Max. memory is 16.1GB. * CodeCheck took 245037.74ms. Allocated memory was 876.6MB in the beginning and 1.8GB in the end (delta: 876.6MB). Free memory was 473.4MB in the beginning and 434.4MB in the end (delta: 39.0MB). Peak memory consumption was 916.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 20:56:18,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9 --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 64bit --witnessprinter.graph.data.programhash b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:56:20,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:56:20,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 20:56:20,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:56:20,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:56:20,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:56:20,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:56:20,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:56:20,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:56:20,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:56:20,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:56:20,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:56:20,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:56:20,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:56:20,940 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:56:20,940 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:56:20,941 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:56:20,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:56:20,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:56:20,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:56:20,943 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:56:20,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:56:20,944 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:20,945 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:56:20,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:56:20,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:20,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:56:20,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:56:20,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:56:20,947 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:56:20,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:20,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:56:20,948 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:56:20,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:56:20,949 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_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b [2023-12-02 20:56:21,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:56:21,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:56:21,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:56:21,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:56:21,260 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:56:21,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2023-12-02 20:56:23,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:56:24,248 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:56:24,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2023-12-02 20:56:24,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/data/986e875d6/9d34c44833aa45a9bede19a921893b60/FLAGbf8d5edaf [2023-12-02 20:56:24,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/data/986e875d6/9d34c44833aa45a9bede19a921893b60 [2023-12-02 20:56:24,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:56:24,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:56:24,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:24,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:56:24,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:56:24,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:24,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4faa0b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24, skipping insertion in model container [2023-12-02 20:56:24,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:24,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:56:24,538 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_2c30a743-2cee-443c-8aa7-b95154e784db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2023-12-02 20:56:24,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:24,761 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:56:24,773 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_2c30a743-2cee-443c-8aa7-b95154e784db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2023-12-02 20:56:24,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:24,866 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:56:24,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24 WrapperNode [2023-12-02 20:56:24,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:24,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:24,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:56:24,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:56:24,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:24,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:24,992 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1423 [2023-12-02 20:56:24,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:24,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:56:24,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:56:24,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:56:25,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:25,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:25,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:25,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:25,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:25,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:25,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:25,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:25,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:56:25,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:56:25,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:56:25,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:56:25,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:24" (1/1) ... [2023-12-02 20:56:25,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:25,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:56:25,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:56:25,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:56:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:56:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:56:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:56:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:56:25,449 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:56:25,452 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:56:27,785 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:56:27,875 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:56:27,875 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:56:27,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:27 BoogieIcfgContainer [2023-12-02 20:56:27,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:56:27,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:56:27,878 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:56:27,887 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:56:27,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:27" (1/1) ... [2023-12-02 20:56:27,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:56:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 20:56:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 20:56:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 20:56:27,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:27,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:27,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:27,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:27,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 20:56:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:28,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:28,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 20:56:28,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:56:28,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:56:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 20:56:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 20:56:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:56:29,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:29,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:29,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:29,053 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:29,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 20:56:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:30,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:30,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-02 20:56:30,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:56:31,519 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 20:56:31,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 20:56:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 20:56:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 20:56:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 20:56:33,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:33,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:33,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:33,941 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:33,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 20:56:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:35,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:36,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 251 conjunts are in the unsatisfiable core [2023-12-02 20:56:36,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:57:36,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 101 [2023-12-02 20:57:36,215 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 20:57:36,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c30a743-2cee-443c-8aa7-b95154e784db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 20:57:36,228 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) 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) [2023-12-02 20:57:36,232 INFO L158 Benchmark]: Toolchain (without parser) took 71948.28ms. Allocated memory was 98.6MB in the beginning and 721.4MB in the end (delta: 622.9MB). Free memory was 72.7MB in the beginning and 592.7MB in the end (delta: -520.0MB). Peak memory consumption was 465.7MB. Max. memory is 16.1GB. [2023-12-02 20:57:36,233 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:57:36,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.06ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 48.3MB in the end (delta: 24.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-12-02 20:57:36,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.08ms. Allocated memory is still 98.6MB. Free memory was 48.3MB in the beginning and 37.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 20:57:36,235 INFO L158 Benchmark]: Boogie Preprocessor took 130.00ms. Allocated memory is still 98.6MB. Free memory was 37.8MB in the beginning and 60.9MB in the end (delta: -23.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-12-02 20:57:36,236 INFO L158 Benchmark]: RCFGBuilder took 2753.09ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 60.9MB in the beginning and 58.2MB in the end (delta: 2.7MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2023-12-02 20:57:36,236 INFO L158 Benchmark]: CodeCheck took 68353.31ms. Allocated memory was 130.0MB in the beginning and 721.4MB in the end (delta: 591.4MB). Free memory was 58.2MB in the beginning and 592.7MB in the end (delta: -534.5MB). Peak memory consumption was 418.1MB. Max. memory is 16.1GB. [2023-12-02 20:57:36,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.06ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 48.3MB in the end (delta: 24.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.08ms. Allocated memory is still 98.6MB. Free memory was 48.3MB in the beginning and 37.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.00ms. Allocated memory is still 98.6MB. Free memory was 37.8MB in the beginning and 60.9MB in the end (delta: -23.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2753.09ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 60.9MB in the beginning and 58.2MB in the end (delta: 2.7MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * CodeCheck took 68353.31ms. Allocated memory was 130.0MB in the beginning and 721.4MB in the end (delta: 591.4MB). Free memory was 58.2MB in the beginning and 592.7MB in the end (delta: -534.5MB). Peak memory consumption was 418.1MB. 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants