./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.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_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/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_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/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_707ba985-264b-45cf-93fc-a9cade4cc89d/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 5b1736736c06966e3b4f5adb4865787ef8bbb0ebdf6c77cc2a8afb60cf5fc8db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:47:27,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:47:27,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:47:27,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:47:27,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:47:27,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:47:27,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:47:27,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:47:27,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:47:27,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:47:27,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:47:27,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:47:27,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:47:27,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:47:27,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:47:27,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:47:27,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:47:27,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:47:27,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:47:27,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:47:27,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:47:27,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:47:27,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:47:27,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:47:27,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:47:27,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:47:27,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:47:27,270 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:47:27,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:47:27,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:47:27,271 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_707ba985-264b-45cf-93fc-a9cade4cc89d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b1736736c06966e3b4f5adb4865787ef8bbb0ebdf6c77cc2a8afb60cf5fc8db [2023-12-03 01:47:27,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:47:27,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:47:27,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:47:27,523 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:47:27,523 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:47:27,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c [2023-12-03 01:47:30,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:47:30,517 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:47:30,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c [2023-12-03 01:47:30,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/data/6dc7baae8/dc6b8e322e894b61ba530a105acc192d/FLAGa82a1d630 [2023-12-03 01:47:30,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/data/6dc7baae8/dc6b8e322e894b61ba530a105acc192d [2023-12-03 01:47:30,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:47:30,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:47:30,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:47:30,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:47:30,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:47:30,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:47:30" (1/1) ... [2023-12-03 01:47:30,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bee2536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:30, skipping insertion in model container [2023-12-03 01:47:30,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:47:30" (1/1) ... [2023-12-03 01:47:30,606 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:47:30,752 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_707ba985-264b-45cf-93fc-a9cade4cc89d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c[1279,1292] [2023-12-03 01:47:30,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:47:30,970 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:47:30,982 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_707ba985-264b-45cf-93fc-a9cade4cc89d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c[1279,1292] [2023-12-03 01:47:31,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:47:31,097 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:47:31,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31 WrapperNode [2023-12-03 01:47:31,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:47:31,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:47:31,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:47:31,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:47:31,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,339 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2245 [2023-12-03 01:47:31,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:47:31,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:47:31,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:47:31,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:47:31,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:47:31,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:47:31,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:47:31,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:47:31,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:47:31" (1/1) ... [2023-12-03 01:47:31,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:47:31,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:47:31,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:47:31,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:47:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:47:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:47:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:47:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:47:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:47:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:47:31,981 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:47:31,983 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:47:33,850 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:47:36,262 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:47:36,262 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:47:36,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:47:36 BoogieIcfgContainer [2023-12-03 01:47:36,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:47:36,264 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:47:36,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:47:36,274 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:47:36,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:47:36" (1/1) ... [2023-12-03 01:47:36,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:47:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:36,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 01:47:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 01:47:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:47:36,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:36,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:47:45,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:50,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-03 01:47:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 01:47:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:47:51,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:51,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:48:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:48:40,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:49:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:49:25,011 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 01:49:25,015 INFO L158 Benchmark]: Toolchain (without parser) took 114467.69ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 106.3MB in the beginning and 476.5MB in the end (delta: -370.2MB). Peak memory consumption was 817.7MB. Max. memory is 16.1GB. [2023-12-03 01:49:25,015 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:25,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.96ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 66.9MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-03 01:49:25,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 241.08ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 64.4MB in the end (delta: 2.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-12-03 01:49:25,017 INFO L158 Benchmark]: Boogie Preprocessor took 342.05ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 64.4MB in the beginning and 139.0MB in the end (delta: -74.6MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-12-03 01:49:25,018 INFO L158 Benchmark]: RCFGBuilder took 4580.86ms. Allocated memory was 201.3MB in the beginning and 434.1MB in the end (delta: 232.8MB). Free memory was 139.0MB in the beginning and 166.7MB in the end (delta: -27.7MB). Peak memory consumption was 205.5MB. Max. memory is 16.1GB. [2023-12-03 01:49:25,018 INFO L158 Benchmark]: CodeCheck took 108749.39ms. Allocated memory was 434.1MB in the beginning and 1.3GB in the end (delta: 895.5MB). Free memory was 166.7MB in the beginning and 476.5MB in the end (delta: -309.8MB). Peak memory consumption was 583.6MB. Max. memory is 16.1GB. [2023-12-03 01:49:25,022 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 102.8MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.96ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 66.9MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 241.08ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 64.4MB in the end (delta: 2.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 342.05ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 64.4MB in the beginning and 139.0MB in the end (delta: -74.6MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4580.86ms. Allocated memory was 201.3MB in the beginning and 434.1MB in the end (delta: 232.8MB). Free memory was 139.0MB in the beginning and 166.7MB in the end (delta: -27.7MB). Peak memory consumption was 205.5MB. Max. memory is 16.1GB. * CodeCheck took 108749.39ms. Allocated memory was 434.1MB in the beginning and 1.3GB in the end (delta: 895.5MB). Free memory was 166.7MB in the beginning and 476.5MB in the end (delta: -309.8MB). Peak memory consumption was 583.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:49:25,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/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_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/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_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/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_707ba985-264b-45cf-93fc-a9cade4cc89d/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 5b1736736c06966e3b4f5adb4865787ef8bbb0ebdf6c77cc2a8afb60cf5fc8db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:49:26,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:49:27,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:49:27,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:49:27,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:49:27,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:49:27,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:49:27,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:49:27,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:49:27,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:49:27,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:49:27,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:49:27,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:49:27,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:49:27,066 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:49:27,066 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:49:27,067 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:49:27,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:49:27,068 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:49:27,069 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:49:27,069 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:49:27,070 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:49:27,070 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:27,071 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:49:27,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:49:27,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:27,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:49:27,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:49:27,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:49:27,073 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:49:27,074 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:27,074 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:49:27,075 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:49:27,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:49:27,075 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_707ba985-264b-45cf-93fc-a9cade4cc89d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b1736736c06966e3b4f5adb4865787ef8bbb0ebdf6c77cc2a8afb60cf5fc8db [2023-12-03 01:49:27,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:49:27,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:49:27,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:49:27,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:49:27,382 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:49:27,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c [2023-12-03 01:49:30,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:49:30,412 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:49:30,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c [2023-12-03 01:49:30,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/data/1fc31fc9c/b522caa0c07f430289616bdeee75926f/FLAG27132313e [2023-12-03 01:49:30,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/data/1fc31fc9c/b522caa0c07f430289616bdeee75926f [2023-12-03 01:49:30,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:49:30,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:49:30,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:30,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:49:30,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:49:30,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:30" (1/1) ... [2023-12-03 01:49:30,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723657b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30, skipping insertion in model container [2023-12-03 01:49:30,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:30" (1/1) ... [2023-12-03 01:49:30,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:49:30,695 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_707ba985-264b-45cf-93fc-a9cade4cc89d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c[1279,1292] [2023-12-03 01:49:30,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:30,891 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:49:30,909 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_707ba985-264b-45cf-93fc-a9cade4cc89d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c[1279,1292] [2023-12-03 01:49:30,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:31,006 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:49:31,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31 WrapperNode [2023-12-03 01:49:31,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:31,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:31,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:49:31,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:49:31,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,096 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 915 [2023-12-03 01:49:31,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:31,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:49:31,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:49:31,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:49:31,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:49:31,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:49:31,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:49:31,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:49:31,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:31" (1/1) ... [2023-12-03 01:49:31,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:31,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:49:31,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:49:31,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:49:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:49:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:49:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:49:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:49:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:49:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:49:31,472 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:49:31,475 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:49:32,196 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:49:32,286 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:49:32,286 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:49:32,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:32 BoogieIcfgContainer [2023-12-03 01:49:32,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:49:32,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:49:32,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:49:32,299 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:49:32,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:32" (1/1) ... [2023-12-03 01:49:32,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:49:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 01:49:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 01:49:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:49:32,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:32,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:32,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:32,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:32,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:49:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:32,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:33,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 01:49:33,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:49:33,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:49:33,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-03 01:49:33,724 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-03 01:49:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:49:33,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:33,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:33,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:33,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:33,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:49:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:34,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:34,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-03 01:49:34,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 01:49:35,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:49:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2023-12-03 01:49:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-12-03 01:49:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:49:36,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:36,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:36,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:36,938 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:36,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:49:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:38,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:38,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-03 01:49:38,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 01:49:42,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:49:42,484 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:49:49,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:49:50,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2023-12-03 01:49:50,384 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2023-12-03 01:49:50,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:49:50,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:50,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:50,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:50,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:50,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:49:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:52,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:53,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 2443 conjuncts, 409 conjunts are in the unsatisfiable core [2023-12-03 01:49:53,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:07,204 WARN L293 SmtUtils]: Spent 4.66m on a formula simplification. DAG size of input: 560 DAG size of output: 390 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:55:18,383 WARN L293 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 400 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:55:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 11 proven. 72 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-03 01:55:22,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:56:10,536 WARN L293 SmtUtils]: Spent 20.33s on a formula simplification that was a NOOP. DAG size: 434 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:56:18,333 WARN L293 SmtUtils]: Spent 6.81s on a formula simplification that was a NOOP. DAG size: 427 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:56:30,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:56:40,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:57:26,676 WARN L293 SmtUtils]: Spent 20.35s on a formula simplification that was a NOOP. DAG size: 456 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:57:36,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:58:01,584 WARN L293 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 430 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:58:23,508 WARN L293 SmtUtils]: Spent 10.97s on a formula simplification that was a NOOP. DAG size: 438 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:58:33,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:58:43,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:58:46,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:58:56,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:59:07,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:59:17,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:59:20,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:59:30,225 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 01:59:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 82 states and 161 transitions. [2023-12-03 01:59:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2023-12-03 01:59:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:59:31,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:31,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:31,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:59:31,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:59:31,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707ba985-264b-45cf-93fc-a9cade4cc89d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:59:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:33,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:59:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:34,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 2443 conjuncts, 400 conjunts are in the unsatisfiable core [2023-12-03 01:59:34,272 INFO L285 TraceCheckSpWp]: Computing forward predicates...