./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/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 410a9d36a3835c4d511d2c47867c58cfc0aa637180bb6f90ffb261544c45c099 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:30:14,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:30:14,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:30:14,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:30:14,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:30:14,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:30:14,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:30:14,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:30:14,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:30:14,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:30:14,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:30:14,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:30:14,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:30:14,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:30:14,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:30:14,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:30:14,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:30:14,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:30:14,266 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:30:14,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:30:14,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:30:14,268 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:30:14,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:30:14,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:30:14,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:30:14,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:30:14,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:30:14,271 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:30:14,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:30:14,272 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:30:14,272 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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410a9d36a3835c4d511d2c47867c58cfc0aa637180bb6f90ffb261544c45c099 [2023-12-03 02:30:14,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:30:14,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:30:14,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:30:14,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:30:14,515 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:30:14,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c [2023-12-03 02:30:17,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:30:17,676 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:30:17,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c [2023-12-03 02:30:17,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/data/75c0fb3e2/d6cab6cd74b44422ad273c458b41bf5d/FLAG69345ea99 [2023-12-03 02:30:17,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/data/75c0fb3e2/d6cab6cd74b44422ad273c458b41bf5d [2023-12-03 02:30:17,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:30:17,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:30:17,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:30:17,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:30:17,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:30:17,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bad252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17, skipping insertion in model container [2023-12-03 02:30:17,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,803 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:30:17,963 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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c[1176,1189] [2023-12-03 02:30:18,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:30:18,445 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:30:18,458 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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c[1176,1189] [2023-12-03 02:30:18,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:30:18,746 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:30:18,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18 WrapperNode [2023-12-03 02:30:18,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:30:18,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:30:18,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:30:18,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:30:18,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:18,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:19,873 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13698 [2023-12-03 02:30:19,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:30:19,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:30:19,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:30:19,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:30:19,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:19,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:20,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:20,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:20,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:20,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:20,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:20,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:21,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:30:21,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:30:21,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:30:21,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:30:21,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:18" (1/1) ... [2023-12-03 02:30:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:30:21,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:30:21,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:30:21,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:30:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:30:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:30:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:30:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:30:21,806 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:30:21,808 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:30:30,279 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:30:49,149 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:30:49,149 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:30:49,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:30:49 BoogieIcfgContainer [2023-12-03 02:30:49,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:30:49,151 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:30:49,151 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:30:49,158 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:30:49,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:30:49" (1/1) ... [2023-12-03 02:30:49,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:30:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:30:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:30:49,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:30:49,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:49,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:30:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:51,349 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 02:31:02,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:31:12,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:31:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 02:31:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 02:31:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:31:12,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:12,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:31:24,758 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 02:31:24,761 INFO L158 Benchmark]: Toolchain (without parser) took 67037.42ms. Allocated memory was 161.5MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 121.1MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 869.7MB. Max. memory is 16.1GB. [2023-12-03 02:31:24,761 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:31:24,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1022.13ms. Allocated memory is still 161.5MB. Free memory was 121.1MB in the beginning and 81.2MB in the end (delta: 39.9MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2023-12-03 02:31:24,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 1126.22ms. Allocated memory was 161.5MB in the beginning and 369.1MB in the end (delta: 207.6MB). Free memory was 81.2MB in the beginning and 123.3MB in the end (delta: -42.0MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. [2023-12-03 02:31:24,763 INFO L158 Benchmark]: Boogie Preprocessor took 1209.11ms. Allocated memory was 369.1MB in the beginning and 738.2MB in the end (delta: 369.1MB). Free memory was 123.3MB in the beginning and 414.5MB in the end (delta: -291.2MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2023-12-03 02:31:24,764 INFO L158 Benchmark]: RCFGBuilder took 28066.22ms. Allocated memory was 738.2MB in the beginning and 4.3GB in the end (delta: 3.6GB). Free memory was 414.5MB in the beginning and 3.4GB in the end (delta: -3.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-03 02:31:24,764 INFO L158 Benchmark]: CodeCheck took 35609.20ms. Allocated memory is still 4.3GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 10.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:31:24,767 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 111.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1022.13ms. Allocated memory is still 161.5MB. Free memory was 121.1MB in the beginning and 81.2MB in the end (delta: 39.9MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1126.22ms. Allocated memory was 161.5MB in the beginning and 369.1MB in the end (delta: 207.6MB). Free memory was 81.2MB in the beginning and 123.3MB in the end (delta: -42.0MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1209.11ms. Allocated memory was 369.1MB in the beginning and 738.2MB in the end (delta: 369.1MB). Free memory was 123.3MB in the beginning and 414.5MB in the end (delta: -291.2MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * RCFGBuilder took 28066.22ms. Allocated memory was 738.2MB in the beginning and 4.3GB in the end (delta: 3.6GB). Free memory was 414.5MB in the beginning and 3.4GB in the end (delta: -3.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 35609.20ms. Allocated memory is still 4.3GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 10.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:31:24,977 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 02:31:25,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/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 410a9d36a3835c4d511d2c47867c58cfc0aa637180bb6f90ffb261544c45c099 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:31:26,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:31:26,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 02:31:26,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:31:26,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:31:26,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:31:26,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:31:26,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:31:26,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:31:26,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:31:26,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:31:26,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:31:26,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:31:26,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:31:26,970 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:31:26,970 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:31:26,971 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:31:26,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:31:26,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:31:26,973 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:31:26,973 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:31:26,974 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:31:26,974 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:26,975 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:31:26,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:31:26,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:31:26,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:31:26,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:31:26,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:31:26,977 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:31:26,978 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:26,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:31:26,978 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:31:26,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:31:26,979 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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410a9d36a3835c4d511d2c47867c58cfc0aa637180bb6f90ffb261544c45c099 [2023-12-03 02:31:27,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:31:27,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:31:27,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:31:27,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:31:27,288 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:31:27,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c [2023-12-03 02:31:30,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:31:30,426 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:31:30,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c [2023-12-03 02:31:30,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/data/21538517f/be2264fee6874e2694ea822d93e4b91b/FLAG6a091c190 [2023-12-03 02:31:30,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/data/21538517f/be2264fee6874e2694ea822d93e4b91b [2023-12-03 02:31:30,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:31:30,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:31:30,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:31:30,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:31:30,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:31:30,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:31:30" (1/1) ... [2023-12-03 02:31:30,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ac6296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:30, skipping insertion in model container [2023-12-03 02:31:30,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:31:30" (1/1) ... [2023-12-03 02:31:30,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:31:30,764 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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c[1176,1189] [2023-12-03 02:31:31,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:31:31,149 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:31:31,161 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_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-func-interl.c[1176,1189] [2023-12-03 02:31:31,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:31:31,407 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:31:31,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31 WrapperNode [2023-12-03 02:31:31,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:31:31,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:31:31,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:31:31,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:31:31,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,615 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3424 [2023-12-03 02:31:31,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:31:31,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:31:31,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:31:31,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:31:31,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:31:31,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:31:31,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:31:31,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:31:31,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:31" (1/1) ... [2023-12-03 02:31:31,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:31:31,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:31:31,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:31:31,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:31:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:31:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:31:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:31:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:31:32,387 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:31:32,390 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:31:39,551 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:31:39,702 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:31:39,702 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:31:39,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:31:39 BoogieIcfgContainer [2023-12-03 02:31:39,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:31:39,705 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:31:39,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:31:39,712 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:31:39,712 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:31:39" (1/1) ... [2023-12-03 02:31:39,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:31:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:31:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:31:39,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:31:39,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:39,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:39,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:39,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:39,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:31:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:40,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:40,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:31:40,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:41,042 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 02:31:41,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:31:42,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:31:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 02:31:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 02:31:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:31:42,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:42,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:42,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:42,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:42,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:31:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:45,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:46,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 02:31:46,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:49,559 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 02:31:49,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:31:51,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:31:53,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:31:55,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:32:04,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:32:09,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:32:10,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 02:32:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 02:32:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:32:10,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:10,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:10,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:10,118 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:10,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:32:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:14,881 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:16,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 5588 conjuncts, 318 conjunts are in the unsatisfiable core [2023-12-03 02:32:16,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:40,886 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 02:32:40,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:32:45,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:32:51,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:33:12,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:33:19,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:34:29,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:34:31,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:34:43,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:34:53,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:34:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 39 transitions. [2023-12-03 02:34:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 39 transitions. [2023-12-03 02:34:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:54,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:54,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:54,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:54,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:54,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:34:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:58,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:00,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 5588 conjuncts, 318 conjunts are in the unsatisfiable core [2023-12-03 02:35:00,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:07,213 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 02:35:07,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:35:40,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:35:53,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:36:03,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:36:14,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:36:16,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:36:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 19 states and 42 transitions. [2023-12-03 02:36:17,147 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 42 transitions. [2023-12-03 02:36:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:36:17,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:17,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:17,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:17,150 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:17,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:36:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:23,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:25,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 8301 conjuncts, 558 conjunts are in the unsatisfiable core [2023-12-03 02:36:26,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:15,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d56c767-f29d-449a-8167-c3bbf0ebf3a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:41:29,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:41:44,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:43:16,855 WARN L293 SmtUtils]: Spent 20.38s on a formula simplification. DAG size of input: 722 DAG size of output: 721 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:43:31,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:44:03,654 WARN L293 SmtUtils]: Spent 10.49s on a formula simplification that was a NOOP. DAG size: 722 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:44:14,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:44:15,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:44:26,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]