./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-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_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/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_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/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_6088531a-a4a9-4026-926a-51b56b008a45/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 10e0e78be51daed48ea010904584d32417a9e93a1f0c17631a4469cff9feac0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:43:13,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:43:13,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:43:13,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:43:13,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:43:13,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:43:13,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:43:13,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:43:13,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:43:13,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:43:13,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:43:13,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:43:13,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:43:13,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:43:13,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:43:13,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:43:13,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:43:13,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:43:13,548 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:43:13,549 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:43:13,549 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:43:13,550 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:43:13,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:43:13,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:13,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:43:13,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:43:13,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:43:13,553 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:43:13,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:43:13,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:43:13,554 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_6088531a-a4a9-4026-926a-51b56b008a45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10e0e78be51daed48ea010904584d32417a9e93a1f0c17631a4469cff9feac0c [2023-12-03 04:43:13,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:43:13,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:43:13,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:43:13,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:43:13,798 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:43:13,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c [2023-12-03 04:43:16,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:43:17,028 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:43:17,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c [2023-12-03 04:43:17,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/data/54889a3ed/c0c24eae427a4ee1adb75c4ec089b680/FLAG3a48defce [2023-12-03 04:43:17,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/data/54889a3ed/c0c24eae427a4ee1adb75c4ec089b680 [2023-12-03 04:43:17,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:43:17,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:43:17,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:17,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:43:17,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:43:17,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:17" (1/1) ... [2023-12-03 04:43:17,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e12afc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:17, skipping insertion in model container [2023-12-03 04:43:17,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:17" (1/1) ... [2023-12-03 04:43:17,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:43:17,631 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_6088531a-a4a9-4026-926a-51b56b008a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c[1179,1192] [2023-12-03 04:43:18,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:18,963 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:43:18,976 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_6088531a-a4a9-4026-926a-51b56b008a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c[1179,1192] [2023-12-03 04:43:19,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:20,000 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:43:20,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20 WrapperNode [2023-12-03 04:43:20,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:20,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:20,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:43:20,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:43:20,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:20,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:23,544 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49090 [2023-12-03 04:43:23,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:23,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:43:23,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:43:23,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:43:23,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:23,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:24,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:24,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:24,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:25,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:25,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:25,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:26,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:43:26,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:43:26,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:43:26,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:43:26,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:20" (1/1) ... [2023-12-03 04:43:26,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:26,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:43:26,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:43:26,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:43:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:43:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:43:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:43:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:43:28,383 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:43:28,385 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:43:54,225 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:46:14,922 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:46:14,922 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:46:14,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:46:14 BoogieIcfgContainer [2023-12-03 04:46:14,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:46:14,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:46:14,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:46:14,932 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:46:14,932 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:46:14" (1/1) ... [2023-12-03 04:46:15,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:46:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:46:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:46:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:46:15,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:15,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:20,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:34,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:46:45,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:46:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 04:46:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 04:46:47,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:47,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:47,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:47:09,248 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:47:09,251 INFO L158 Benchmark]: Toolchain (without parser) took 232155.93ms. Allocated memory was 144.7MB in the beginning and 14.2GB in the end (delta: 14.0GB). Free memory was 94.1MB in the beginning and 11.2GB in the end (delta: -11.1GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-12-03 04:47:09,252 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:47:09,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2905.57ms. Allocated memory was 144.7MB in the beginning and 503.3MB in the end (delta: 358.6MB). Free memory was 94.1MB in the beginning and 241.7MB in the end (delta: -147.6MB). Peak memory consumption was 229.3MB. Max. memory is 16.1GB. [2023-12-03 04:47:09,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 3541.74ms. Allocated memory was 503.3MB in the beginning and 3.7GB in the end (delta: 3.2GB). Free memory was 241.7MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 594.8MB. Max. memory is 16.1GB. [2023-12-03 04:47:09,255 INFO L158 Benchmark]: Boogie Preprocessor took 2800.01ms. Allocated memory is still 3.7GB. Free memory was 2.9GB in the beginning and 2.6GB in the end (delta: 248.4MB). Peak memory consumption was 332.4MB. Max. memory is 16.1GB. [2023-12-03 04:47:09,255 INFO L158 Benchmark]: RCFGBuilder took 168577.11ms. Allocated memory was 3.7GB in the beginning and 14.2GB in the end (delta: 10.5GB). Free memory was 2.6GB in the beginning and 10.8GB in the end (delta: -8.2GB). Peak memory consumption was 5.8GB. Max. memory is 16.1GB. [2023-12-03 04:47:09,256 INFO L158 Benchmark]: CodeCheck took 54326.16ms. Allocated memory is still 14.2GB. Free memory was 10.8GB in the beginning and 11.2GB in the end (delta: -386.9MB). Peak memory consumption was 264.2MB. Max. memory is 16.1GB. [2023-12-03 04:47:09,260 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 0.19ms. Allocated memory is still 109.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2905.57ms. Allocated memory was 144.7MB in the beginning and 503.3MB in the end (delta: 358.6MB). Free memory was 94.1MB in the beginning and 241.7MB in the end (delta: -147.6MB). Peak memory consumption was 229.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3541.74ms. Allocated memory was 503.3MB in the beginning and 3.7GB in the end (delta: 3.2GB). Free memory was 241.7MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 594.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2800.01ms. Allocated memory is still 3.7GB. Free memory was 2.9GB in the beginning and 2.6GB in the end (delta: 248.4MB). Peak memory consumption was 332.4MB. Max. memory is 16.1GB. * RCFGBuilder took 168577.11ms. Allocated memory was 3.7GB in the beginning and 14.2GB in the end (delta: 10.5GB). Free memory was 2.6GB in the beginning and 10.8GB in the end (delta: -8.2GB). Peak memory consumption was 5.8GB. Max. memory is 16.1GB. * CodeCheck took 54326.16ms. Allocated memory is still 14.2GB. Free memory was 10.8GB in the beginning and 11.2GB in the end (delta: -386.9MB). Peak memory consumption was 264.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:47:09,473 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:47:09,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/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_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/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_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/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_6088531a-a4a9-4026-926a-51b56b008a45/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 10e0e78be51daed48ea010904584d32417a9e93a1f0c17631a4469cff9feac0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:47:12,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:47:12,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:47:12,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:47:12,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:47:12,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:47:12,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:47:12,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:47:12,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:47:12,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:47:12,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:47:12,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:47:12,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:47:12,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:47:12,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:47:12,248 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:47:12,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:47:12,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:47:12,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:47:12,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:47:12,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:47:12,251 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:47:12,252 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:12,252 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:47:12,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:47:12,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:47:12,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:47:12,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:47:12,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:47:12,255 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:47:12,256 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:12,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:47:12,256 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:47:12,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:47:12,257 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_6088531a-a4a9-4026-926a-51b56b008a45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10e0e78be51daed48ea010904584d32417a9e93a1f0c17631a4469cff9feac0c [2023-12-03 04:47:12,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:47:12,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:47:12,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:47:12,661 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:47:12,661 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:47:12,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c [2023-12-03 04:47:16,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:47:16,963 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:47:16,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c [2023-12-03 04:47:17,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/data/e7f504376/f32afaf1bd0148fb883676f8ed5e2082/FLAG504fae1c6 [2023-12-03 04:47:17,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/data/e7f504376/f32afaf1bd0148fb883676f8ed5e2082 [2023-12-03 04:47:17,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:47:17,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:47:17,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:47:17,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:47:17,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:47:17,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:47:17" (1/1) ... [2023-12-03 04:47:17,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154c9e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:17, skipping insertion in model container [2023-12-03 04:47:17,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:47:17" (1/1) ... [2023-12-03 04:47:17,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:47:17,705 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_6088531a-a4a9-4026-926a-51b56b008a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c[1179,1192] [2023-12-03 04:47:18,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:47:18,928 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:47:18,943 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_6088531a-a4a9-4026-926a-51b56b008a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c[1179,1192] [2023-12-03 04:47:19,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:47:19,732 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:47:19,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19 WrapperNode [2023-12-03 04:47:19,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:47:19,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:47:19,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:47:19,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:47:19,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:19,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:20,489 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13497 [2023-12-03 04:47:20,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:47:20,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:47:20,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:47:20,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:47:20,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:20,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:20,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:20,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:20,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:20,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:21,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:21,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:21,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:47:21,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:47:21,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:47:21,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:47:21,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:19" (1/1) ... [2023-12-03 04:47:21,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:47:21,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:47:21,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:47:21,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:47:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:47:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:47:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:47:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:47:23,161 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:47:23,164 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:49:27,282 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:49:27,852 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:49:27,853 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:49:27,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:49:27 BoogieIcfgContainer [2023-12-03 04:49:27,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:49:27,857 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:49:27,857 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:49:27,872 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:49:27,872 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:49:27" (1/1) ... [2023-12-03 04:49:27,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:49:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:27,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:49:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:49:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:49:27,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:27,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:27,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:27,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:27,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:49:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:31,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:31,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 04:49:31,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:32,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:49:42,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:49:52,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:49:53,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:49:53,322 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:49:53,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:53,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:53,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:53,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:53,325 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:53,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:50:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:04,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:08,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 11361 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 04:50:08,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:10,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:50:22,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:50:33,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:50:45,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:50:47,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:50:48,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:51:04,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:51:16,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.88s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:51:26,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:51:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 04:51:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 04:51:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:51:26,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:26,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:26,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:26,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:26,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:51:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:44,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:51,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 22252 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 04:51:51,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:57,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:52:13,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:52:25,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:52:35,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:52:45,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:08,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:18,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:23,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:26,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:29,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:31,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:41,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:51,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:58,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 15 states and 32 transitions. [2023-12-03 04:53:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 32 transitions. [2023-12-03 04:53:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:53:58,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:58,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:58,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:58,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:58,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:54:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:17,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:25,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 22252 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 04:54:25,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:30,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:54:30,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 15 states and 32 transitions. [2023-12-03 04:54:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 32 transitions. [2023-12-03 04:54:30,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:30,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:30,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:30,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:30,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:30,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:54:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:48,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:54,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 22252 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 04:54:54,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:57,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6088531a-a4a9-4026-926a-51b56b008a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:55:12,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:55:25,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:55:35,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]