./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/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 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:00:30,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:00:30,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:00:30,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:00:30,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:00:30,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:00:30,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:00:30,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:00:30,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:00:30,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:00:30,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:00:30,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:00:30,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:00:30,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:00:30,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:00:30,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:00:30,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:00:30,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:00:30,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:00:30,389 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:00:30,389 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:00:30,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:00:30,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:00:30,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:00:30,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:00:30,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:00:30,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:00:30,393 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:00:30,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:00:30,394 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:00:30,394 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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861 [2023-12-02 23:00:30,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:00:30,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:00:30,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:00:30,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:00:30,632 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:00:30,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c [2023-12-02 23:00:33,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:00:33,835 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:00:33,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c [2023-12-02 23:00:33,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/data/106832ef9/a48d5e4873ef4d36a66724e3117db5e2/FLAG3d6e5ee76 [2023-12-02 23:00:33,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/data/106832ef9/a48d5e4873ef4d36a66724e3117db5e2 [2023-12-02 23:00:33,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:00:33,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:00:33,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:00:33,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:00:33,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:00:33,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:00:33" (1/1) ... [2023-12-02 23:00:33,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d908bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:33, skipping insertion in model container [2023-12-02 23:00:33,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:00:33" (1/1) ... [2023-12-02 23:00:34,027 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:00:34,273 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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189] [2023-12-02 23:00:34,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:00:34,950 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:00:34,958 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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189] [2023-12-02 23:00:35,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:00:35,446 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:00:35,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35 WrapperNode [2023-12-02 23:00:35,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:00:35,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:00:35,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:00:35,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:00:35,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:35,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:37,434 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26628 [2023-12-02 23:00:37,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:00:37,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:00:37,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:00:37,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:00:37,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:37,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:37,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:37,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:38,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:38,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:38,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:38,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:39,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:00:39,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:00:39,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:00:39,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:00:39,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:35" (1/1) ... [2023-12-02 23:00:39,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:00:39,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:00:39,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:00:39,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:00:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:00:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:00:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:00:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:00:40,415 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:00:40,417 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:00:54,056 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:01:40,863 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:01:40,864 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:01:40,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:01:40 BoogieIcfgContainer [2023-12-02 23:01:40,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:01:40,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:01:40,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:01:40,874 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:01:40,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:01:40" (1/1) ... [2023-12-02 23:01:40,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:01:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:01:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:01:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:01:40,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:40,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:01:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:01:56,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:02:06,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:02:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 23:02:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 23:02:07,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:02:07,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:07,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:02:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:02:21,232 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 23:02:21,235 INFO L158 Benchmark]: Toolchain (without parser) took 107346.56ms. Allocated memory was 155.2MB in the beginning and 8.9GB in the end (delta: 8.8GB). Free memory was 106.2MB in the beginning and 7.4GB in the end (delta: -7.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-12-02 23:02:21,236 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:02:21,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1556.68ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 105.6MB in the beginning and 62.2MB in the end (delta: 43.4MB). Peak memory consumption was 143.9MB. Max. memory is 16.1GB. [2023-12-02 23:02:21,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 1987.59ms. Allocated memory was 201.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 62.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 368.1MB. Max. memory is 16.1GB. [2023-12-02 23:02:21,239 INFO L158 Benchmark]: Boogie Preprocessor took 1818.30ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.1GB in the end (delta: 162.5MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. [2023-12-02 23:02:21,240 INFO L158 Benchmark]: RCFGBuilder took 61610.41ms. Allocated memory was 1.7GB in the beginning and 8.9GB in the end (delta: 7.2GB). Free memory was 1.1GB in the beginning and 7.4GB in the end (delta: -6.3GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2023-12-02 23:02:21,240 INFO L158 Benchmark]: CodeCheck took 40368.49ms. Allocated memory is still 8.9GB. Free memory was 7.4GB in the beginning and 7.4GB in the end (delta: -8.7MB). Peak memory consumption was 405.4MB. Max. memory is 16.1GB. [2023-12-02 23:02:21,245 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 0.18ms. Allocated memory is still 113.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1556.68ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 105.6MB in the beginning and 62.2MB in the end (delta: 43.4MB). Peak memory consumption was 143.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1987.59ms. Allocated memory was 201.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 62.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 368.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1818.30ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.1GB in the end (delta: 162.5MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. * RCFGBuilder took 61610.41ms. Allocated memory was 1.7GB in the beginning and 8.9GB in the end (delta: 7.2GB). Free memory was 1.1GB in the beginning and 7.4GB in the end (delta: -6.3GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. * CodeCheck took 40368.49ms. Allocated memory is still 8.9GB. Free memory was 7.4GB in the beginning and 7.4GB in the end (delta: -8.7MB). Peak memory consumption was 405.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:02:21,459 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:02:21,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/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 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:02:23,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:02:23,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:02:23,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:02:23,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:02:23,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:02:23,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:02:23,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:02:23,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:02:23,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:02:23,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:02:23,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:02:23,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:02:23,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:02:23,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:02:23,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:02:23,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:02:23,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:02:23,710 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:02:23,711 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:02:23,711 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:02:23,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:02:23,716 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:23,716 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:02:23,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:02:23,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:02:23,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:02:23,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:02:23,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:02:23,718 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:02:23,719 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:23,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:02:23,720 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:02:23,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:02:23,720 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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861 [2023-12-02 23:02:24,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:02:24,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:02:24,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:02:24,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:02:24,029 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:02:24,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c [2023-12-02 23:02:26,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:02:27,270 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:02:27,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c [2023-12-02 23:02:27,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/data/695b4aa0b/5cd42177b9c44ec19a614d0c9e861f97/FLAGfeea9b035 [2023-12-02 23:02:27,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/data/695b4aa0b/5cd42177b9c44ec19a614d0c9e861f97 [2023-12-02 23:02:27,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:02:27,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:02:27,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:02:27,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:02:27,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:02:27,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:27" (1/1) ... [2023-12-02 23:02:27,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfa2bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:27, skipping insertion in model container [2023-12-02 23:02:27,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:27" (1/1) ... [2023-12-02 23:02:27,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:02:27,704 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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189] [2023-12-02 23:02:28,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:02:28,297 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:02:28,309 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_a6d2fcd1-b5c3-433e-a278-bf89b4534543/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189] [2023-12-02 23:02:28,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:02:28,640 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:02:28,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28 WrapperNode [2023-12-02 23:02:28,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:02:28,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:02:28,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:02:28,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:02:28,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:28,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:28,947 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6682 [2023-12-02 23:02:28,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:02:28,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:02:28,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:02:28,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:02:28,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:28,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:29,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:29,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:29,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:29,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:29,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:29,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:29,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:02:29,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:02:29,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:02:29,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:02:29,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2023-12-02 23:02:29,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:02:29,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:02:29,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:02:29,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:02:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:02:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:02:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:02:29,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:02:30,258 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:02:30,260 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:02:51,786 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:02:52,148 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:02:52,148 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:02:52,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:52 BoogieIcfgContainer [2023-12-02 23:02:52,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:02:52,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:02:52,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:02:52,158 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:02:52,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:52" (1/1) ... [2023-12-02 23:02:52,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:02:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:02:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:02:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:02:52,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:52,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:52,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:52,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:02:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:53,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:54,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:02:54,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:54,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:03:01,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.84s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:03:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:03:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:03:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:03:01,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:01,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:03:01,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:03:01,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:03:01,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:03:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:07,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:03:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:09,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 5631 conjuncts, 257 conjunts are in the unsatisfiable core [2023-12-02 23:03:09,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:03:20,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:03:26,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:03:34,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.77s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:03:44,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:04:32,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:04:55,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.96s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:04:57,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:04:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-02 23:04:59,142 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-02 23:04:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:04:59,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:59,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:59,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:59,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:59,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:05:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:08,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:12,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 10982 conjuncts, 548 conjunts are in the unsatisfiable core [2023-12-02 23:05:12,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:42,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d2fcd1-b5c3-433e-a278-bf89b4534543/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:08:10,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:08:41,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:10:07,990 WARN L293 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 697 DAG size of output: 696 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:10:46,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:11:50,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:11:52,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:11:55,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:12:39,004 WARN L293 SmtUtils]: Spent 8.55s on a formula simplification. DAG size of input: 716 DAG size of output: 711 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:14:19,975 WARN L293 SmtUtils]: Spent 13.46s on a formula simplification. DAG size of input: 718 DAG size of output: 713 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)