./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/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_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/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_fab53b84-07bf-4c41-b780-b9c7032a6a55/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 50ce4e2352bf674367e5911d0fc6db0c367135527c7aa5f9e74ce562295d9389 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:28:48,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:28:48,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:28:48,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:28:48,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:28:48,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:28:48,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:28:48,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:28:48,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:28:48,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:28:48,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:28:48,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:28:48,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:28:48,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:28:48,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:28:48,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:28:48,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:28:48,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:28:48,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:28:48,827 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:28:48,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:28:48,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:28:48,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:28:48,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:28:48,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:28:48,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:28:48,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:28:48,831 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:28:48,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:28:48,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:28:48,833 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_fab53b84-07bf-4c41-b780-b9c7032a6a55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ce4e2352bf674367e5911d0fc6db0c367135527c7aa5f9e74ce562295d9389 [2023-12-03 04:28:49,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:28:49,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:28:49,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:28:49,075 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:28:49,076 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:28:49,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c [2023-12-03 04:28:51,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:28:52,098 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:28:52,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c [2023-12-03 04:28:52,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/data/8abd0e7a0/2e40bbf03350455ab07d4ef9efdff852/FLAG9e62d33d9 [2023-12-03 04:28:52,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/data/8abd0e7a0/2e40bbf03350455ab07d4ef9efdff852 [2023-12-03 04:28:52,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:28:52,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:28:52,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:28:52,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:28:52,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:28:52,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:52,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aee5ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52, skipping insertion in model container [2023-12-03 04:28:52,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:52,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:28:52,419 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_fab53b84-07bf-4c41-b780-b9c7032a6a55/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c[1177,1190] [2023-12-03 04:28:52,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:28:52,769 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:28:52,778 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_fab53b84-07bf-4c41-b780-b9c7032a6a55/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c[1177,1190] [2023-12-03 04:28:52,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:28:52,917 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:28:52,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52 WrapperNode [2023-12-03 04:28:52,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:28:52,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:28:52,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:28:52,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:28:52,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:52,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:53,598 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7057 [2023-12-03 04:28:53,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:28:53,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:28:53,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:28:53,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:28:53,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:53,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:53,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:53,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:54,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:54,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:54,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:54,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:54,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:28:54,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:28:54,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:28:54,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:28:54,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:52" (1/1) ... [2023-12-03 04:28:54,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:28:54,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:28:54,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:28:54,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:28:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:28:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:28:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:28:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:28:54,860 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:28:54,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:28:59,685 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:29:07,952 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:29:07,952 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:29:07,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:29:07 BoogieIcfgContainer [2023-12-03 04:29:07,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:29:07,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:29:07,955 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:29:07,963 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:29:07,963 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:29:07" (1/1) ... [2023-12-03 04:29:07,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:29:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:29:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:29:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:29:08,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:08,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:20,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:29:30,733 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 [] [2023-12-03 04:29:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 04:29:31,051 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 04:29:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:29:31,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:31,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:32:33,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:35:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:36:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:36:00,528 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) [2023-12-03 04:36:00,531 INFO L158 Benchmark]: Toolchain (without parser) took 428391.36ms. Allocated memory was 167.8MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 133.2MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2023-12-03 04:36:00,531 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:36:00,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.25ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 72.0MB in the end (delta: 61.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 04:36:00,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 679.95ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 72.0MB in the beginning and 88.7MB in the end (delta: -16.8MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2023-12-03 04:36:00,533 INFO L158 Benchmark]: Boogie Preprocessor took 767.43ms. Allocated memory is still 220.2MB. Free memory was 88.7MB in the beginning and 45.8MB in the end (delta: 42.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2023-12-03 04:36:00,534 INFO L158 Benchmark]: RCFGBuilder took 13586.97ms. Allocated memory was 220.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 45.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 983.6MB. Max. memory is 16.1GB. [2023-12-03 04:36:00,535 INFO L158 Benchmark]: CodeCheck took 412575.05ms. Allocated memory was 1.5GB in the beginning and 3.0GB in the end (delta: 1.5GB). Free memory was 1.1GB in the beginning and 2.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-12-03 04:36:00,538 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 0.14ms. Allocated memory is still 125.8MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.25ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 72.0MB in the end (delta: 61.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 679.95ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 72.0MB in the beginning and 88.7MB in the end (delta: -16.8MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 767.43ms. Allocated memory is still 220.2MB. Free memory was 88.7MB in the beginning and 45.8MB in the end (delta: 42.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * RCFGBuilder took 13586.97ms. Allocated memory was 220.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 45.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 983.6MB. Max. memory is 16.1GB. * CodeCheck took 412575.05ms. Allocated memory was 1.5GB in the beginning and 3.0GB in the end (delta: 1.5GB). Free memory was 1.1GB in the beginning and 2.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:36:00,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/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_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/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_fab53b84-07bf-4c41-b780-b9c7032a6a55/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 50ce4e2352bf674367e5911d0fc6db0c367135527c7aa5f9e74ce562295d9389 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:36:02,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:36:02,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:36:02,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:36:02,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:36:02,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:36:02,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:36:02,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:36:02,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:36:02,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:36:02,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:36:02,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:36:02,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:36:02,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:36:02,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:36:02,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:36:02,683 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:36:02,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:36:02,684 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:36:02,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:36:02,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:36:02,686 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:36:02,686 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:36:02,687 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:36:02,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:36:02,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:36:02,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:36:02,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:36:02,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:36:02,690 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:36:02,690 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:36:02,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:36:02,691 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:36:02,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:36:02,691 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_fab53b84-07bf-4c41-b780-b9c7032a6a55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ce4e2352bf674367e5911d0fc6db0c367135527c7aa5f9e74ce562295d9389 [2023-12-03 04:36:02,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:36:02,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:36:02,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:36:03,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:36:03,001 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:36:03,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c [2023-12-03 04:36:05,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:36:06,135 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:36:06,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c [2023-12-03 04:36:06,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/data/81009c6b3/5db49814664446149fd6e741e396c9cf/FLAGeff1d1556 [2023-12-03 04:36:06,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/data/81009c6b3/5db49814664446149fd6e741e396c9cf [2023-12-03 04:36:06,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:36:06,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:36:06,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:36:06,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:36:06,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:36:06,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:06,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22448134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06, skipping insertion in model container [2023-12-03 04:36:06,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:06,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:36:06,399 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_fab53b84-07bf-4c41-b780-b9c7032a6a55/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c[1177,1190] [2023-12-03 04:36:06,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:36:06,683 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:36:06,694 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_fab53b84-07bf-4c41-b780-b9c7032a6a55/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c[1177,1190] [2023-12-03 04:36:06,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:36:06,834 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:36:06,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06 WrapperNode [2023-12-03 04:36:06,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:36:06,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:36:06,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:36:06,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:36:06,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:06,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:06,983 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1855 [2023-12-03 04:36:06,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:36:06,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:36:06,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:36:06,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:36:06,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:06,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:07,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:07,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:07,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:07,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:07,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:07,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:07,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:36:07,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:36:07,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:36:07,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:36:07,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:06" (1/1) ... [2023-12-03 04:36:07,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:36:07,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:36:07,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:36:07,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:36:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:36:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:36:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:36:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:36:07,499 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:36:07,501 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:36:09,963 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:36:10,105 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:36:10,105 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:36:10,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:36:10 BoogieIcfgContainer [2023-12-03 04:36:10,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:36:10,108 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:36:10,108 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:36:10,117 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:36:10,117 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:36:10" (1/1) ... [2023-12-03 04:36:10,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:36:10,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:36:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:36:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:36:10,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:10,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:36:10,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:36:10,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:36:10,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:36:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:10,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:36:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:10,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 04:36:10,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:36:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:36:11,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-12-03 04:36:11,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:36:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:36:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:36:11,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:11,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:36:11,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:36:11,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:36:11,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:36:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:12,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:36:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:13,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 1561 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-03 04:36:13,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:36:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:36:13,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:36:16,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 04:36:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 04:36:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:36:16,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:16,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:36:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:36:16,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:36:16,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:36:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:18,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:36:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:18,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 2987 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 04:36:18,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:36:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:36:39,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:37:33,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:38:06,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:38:16,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:38:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 18 states and 42 transitions. [2023-12-03 04:38:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 42 transitions. [2023-12-03 04:38:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:38:16,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:16,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:16,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:16,988 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:16,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:38:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:18,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:19,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 2987 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 04:38:19,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:38:20,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab53b84-07bf-4c41-b780-b9c7032a6a55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:41:24,671 WARN L293 SmtUtils]: Spent 1.64m on a formula simplification. DAG size of input: 274 DAG size of output: 273 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)