./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/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_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/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_324d2cd4-f95e-484d-a935-7dd6e9aac302/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 071c55f22bc4d778dfee062839edc2cdc8da7f6dd90da32fed9ab4e7927e9fbf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:32:58,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:32:58,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:32:58,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:32:58,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:32:58,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:32:58,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:32:58,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:32:58,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:32:58,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:32:58,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:32:58,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:32:58,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:32:58,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:32:58,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:32:58,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:32:58,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:32:58,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:32:58,969 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:32:58,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:32:58,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:32:58,971 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:32:58,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:32:58,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:58,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:32:58,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:32:58,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:32:58,974 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:32:58,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:32:58,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:32:58,975 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_324d2cd4-f95e-484d-a935-7dd6e9aac302/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 071c55f22bc4d778dfee062839edc2cdc8da7f6dd90da32fed9ab4e7927e9fbf [2023-12-02 23:32:59,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:32:59,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:32:59,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:32:59,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:32:59,217 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:32:59,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c [2023-12-02 23:33:01,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:33:02,391 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:33:02,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c [2023-12-02 23:33:02,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/data/b61a9c8fa/0de631181e30488fbe1f140f43868d84/FLAG3c6aa967f [2023-12-02 23:33:02,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/data/b61a9c8fa/0de631181e30488fbe1f140f43868d84 [2023-12-02 23:33:02,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:33:02,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:33:02,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:02,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:33:02,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:33:02,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:02" (1/1) ... [2023-12-02 23:33:02,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab723de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:02, skipping insertion in model container [2023-12-02 23:33:02,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:02" (1/1) ... [2023-12-02 23:33:02,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:33:02,839 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_324d2cd4-f95e-484d-a935-7dd6e9aac302/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c[1176,1189] [2023-12-02 23:33:03,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:03,638 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:33:03,650 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_324d2cd4-f95e-484d-a935-7dd6e9aac302/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c[1176,1189] [2023-12-02 23:33:04,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:04,235 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:33:04,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04 WrapperNode [2023-12-02 23:33:04,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:04,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:04,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:33:04,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:33:04,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:04,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:06,678 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29612 [2023-12-02 23:33:06,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:06,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:33:06,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:33:06,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:33:06,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:06,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:07,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:07,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:07,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:07,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:07,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:08,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:08,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:33:08,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:33:08,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:33:08,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:33:08,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:04" (1/1) ... [2023-12-02 23:33:08,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:08,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:33:08,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:33:08,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:33:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:33:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:33:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:33:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:33:09,780 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:33:09,782 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:33:24,258 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:34:17,869 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:34:17,869 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:34:17,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:17 BoogieIcfgContainer [2023-12-02 23:34:17,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:34:17,871 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:34:17,872 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:34:17,879 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:34:17,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:17" (1/1) ... [2023-12-02 23:34:17,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:34:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:34:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:34:17,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:34:17,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:17,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:33,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:34:43,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:34:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:44,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 23:34:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 23:34:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:34:44,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:44,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:34:59,635 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 23:34:59,638 INFO L158 Benchmark]: Toolchain (without parser) took 117190.48ms. Allocated memory was 157.3MB in the beginning and 9.9GB in the end (delta: 9.8GB). Free memory was 108.1MB in the beginning and 7.8GB in the end (delta: -7.7GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2023-12-02 23:34:59,639 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:34:59,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1787.60ms. Allocated memory was 157.3MB in the beginning and 335.5MB in the end (delta: 178.3MB). Free memory was 107.6MB in the beginning and 182.9MB in the end (delta: -75.3MB). Peak memory consumption was 160.1MB. Max. memory is 16.1GB. [2023-12-02 23:34:59,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 2441.38ms. Allocated memory was 335.5MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 182.9MB in the beginning and 894.7MB in the end (delta: -711.9MB). Peak memory consumption was 399.6MB. Max. memory is 16.1GB. [2023-12-02 23:34:59,642 INFO L158 Benchmark]: Boogie Preprocessor took 1901.73ms. Allocated memory is still 1.4GB. Free memory was 894.7MB in the beginning and 728.0MB in the end (delta: 166.7MB). Peak memory consumption was 293.6MB. Max. memory is 16.1GB. [2023-12-02 23:34:59,643 INFO L158 Benchmark]: RCFGBuilder took 69288.71ms. Allocated memory was 1.4GB in the beginning and 9.1GB in the end (delta: 7.7GB). Free memory was 728.0MB in the beginning and 7.5GB in the end (delta: -6.8GB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. [2023-12-02 23:34:59,644 INFO L158 Benchmark]: CodeCheck took 41765.87ms. Allocated memory was 9.1GB in the beginning and 9.9GB in the end (delta: 836.8MB). Free memory was 7.5GB in the beginning and 7.8GB in the end (delta: -268.3MB). Peak memory consumption was 567.5MB. Max. memory is 16.1GB. [2023-12-02 23:34:59,648 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 0.23ms. Allocated memory is still 102.8MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1787.60ms. Allocated memory was 157.3MB in the beginning and 335.5MB in the end (delta: 178.3MB). Free memory was 107.6MB in the beginning and 182.9MB in the end (delta: -75.3MB). Peak memory consumption was 160.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2441.38ms. Allocated memory was 335.5MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 182.9MB in the beginning and 894.7MB in the end (delta: -711.9MB). Peak memory consumption was 399.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1901.73ms. Allocated memory is still 1.4GB. Free memory was 894.7MB in the beginning and 728.0MB in the end (delta: 166.7MB). Peak memory consumption was 293.6MB. Max. memory is 16.1GB. * RCFGBuilder took 69288.71ms. Allocated memory was 1.4GB in the beginning and 9.1GB in the end (delta: 7.7GB). Free memory was 728.0MB in the beginning and 7.5GB in the end (delta: -6.8GB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. * CodeCheck took 41765.87ms. Allocated memory was 9.1GB in the beginning and 9.9GB in the end (delta: 836.8MB). Free memory was 7.5GB in the beginning and 7.8GB in the end (delta: -268.3MB). Peak memory consumption was 567.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:34:59,862 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:34:59,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/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_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/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_324d2cd4-f95e-484d-a935-7dd6e9aac302/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 071c55f22bc4d778dfee062839edc2cdc8da7f6dd90da32fed9ab4e7927e9fbf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:35:02,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:35:02,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:35:02,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:35:02,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:35:02,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:35:02,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:35:02,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:35:02,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:35:02,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:35:02,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:35:02,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:35:02,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:35:02,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:35:02,203 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:35:02,204 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:35:02,204 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:35:02,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:35:02,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:35:02,206 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:35:02,207 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:35:02,207 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:35:02,208 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:02,208 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:35:02,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:35:02,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:02,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:35:02,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:35:02,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:35:02,211 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:35:02,211 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:02,212 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:35:02,212 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:35:02,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:35:02,212 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_324d2cd4-f95e-484d-a935-7dd6e9aac302/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 071c55f22bc4d778dfee062839edc2cdc8da7f6dd90da32fed9ab4e7927e9fbf [2023-12-02 23:35:02,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:35:02,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:35:02,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:35:02,521 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:35:02,521 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:35:02,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c [2023-12-02 23:35:05,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:35:05,704 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:35:05,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c [2023-12-02 23:35:05,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/data/5cd6377fe/e3963e13c6044b18868c6848a7a9df87/FLAG00be6ee48 [2023-12-02 23:35:05,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/data/5cd6377fe/e3963e13c6044b18868c6848a7a9df87 [2023-12-02 23:35:05,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:35:05,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:35:05,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:05,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:35:05,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:35:05,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:05" (1/1) ... [2023-12-02 23:35:05,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2dcbd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:05, skipping insertion in model container [2023-12-02 23:35:05,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:05" (1/1) ... [2023-12-02 23:35:05,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:35:06,131 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_324d2cd4-f95e-484d-a935-7dd6e9aac302/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c[1176,1189] [2023-12-02 23:35:06,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:06,784 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:35:06,796 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_324d2cd4-f95e-484d-a935-7dd6e9aac302/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.5.prop1-func-interl.c[1176,1189] [2023-12-02 23:35:07,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:07,230 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:35:07,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07 WrapperNode [2023-12-02 23:35:07,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:07,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:07,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:35:07,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:35:07,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,697 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7514 [2023-12-02 23:35:07,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:07,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:35:07,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:35:07,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:35:07,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:35:07,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:35:07,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:35:07,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:35:07,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:07" (1/1) ... [2023-12-02 23:35:07,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:08,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:35:08,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:35:08,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:35:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:35:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:35:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:35:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:35:09,054 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:35:09,056 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:35:32,237 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:35:32,559 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:35:32,559 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:35:32,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:35:32 BoogieIcfgContainer [2023-12-02 23:35:32,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:35:32,561 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:35:32,561 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:35:32,568 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:35:32,568 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:35:32" (1/1) ... [2023-12-02 23:35:32,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:35:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:32,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:35:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:35:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:35:32,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:32,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:32,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:32,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:32,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:35:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:34,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:34,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:35:35,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:35,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:35:41,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:35:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:35:42,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:35:42,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:42,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:42,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:42,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:42,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:35:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:48,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:51,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 6343 conjuncts, 279 conjunts are in the unsatisfiable core [2023-12-02 23:35:51,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:04,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:36:11,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:19,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:26,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:36,668 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 646 DAG size of output: 645 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:37:22,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.85s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:37:47,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.34s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:37:50,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:37:52,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-02 23:37:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-02 23:37:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:37:52,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:52,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:52,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:52,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:52,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:38:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:07,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 12390 conjuncts, 594 conjunts are in the unsatisfiable core [2023-12-02 23:38:07,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:40,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324d2cd4-f95e-484d-a935-7dd6e9aac302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:41:12,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.81s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:41,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:00,014 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 755 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:43:08,437 WARN L293 SmtUtils]: Spent 12.58s on a formula simplification. DAG size of input: 757 DAG size of output: 756 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:43:49,824 WARN L293 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 756 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:43:58,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:44:42,662 WARN L293 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 757 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:44:54,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:44:55,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:44:58,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:45:00,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:45:02,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:45:03,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:45:04,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:45:30,375 WARN L293 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 776 DAG size of output: 771 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)