./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.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_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/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_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/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_badee182-b256-4c0c-8fbe-199b93ddeb10/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 e470594375d28c6fca24e3b46071dd23e9cc6b300f46bbf6faad9ca7287c9df3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:23:05,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:23:05,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:23:05,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:23:06,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:23:06,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:23:06,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:23:06,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:23:06,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:23:06,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:23:06,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:23:06,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:23:06,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:23:06,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:23:06,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:23:06,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:23:06,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:23:06,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:23:06,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:23:06,029 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:23:06,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:23:06,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:23:06,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:23:06,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:23:06,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:23:06,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:23:06,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:23:06,033 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:23:06,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:23:06,033 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:23:06,034 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_badee182-b256-4c0c-8fbe-199b93ddeb10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e470594375d28c6fca24e3b46071dd23e9cc6b300f46bbf6faad9ca7287c9df3 [2023-12-02 23:23:06,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:23:06,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:23:06,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:23:06,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:23:06,297 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:23:06,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c [2023-12-02 23:23:09,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:23:09,346 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:23:09,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c [2023-12-02 23:23:09,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/data/9806c0b8c/9d9f682ed7284060a2309af3928f3940/FLAG3398c1933 [2023-12-02 23:23:09,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/data/9806c0b8c/9d9f682ed7284060a2309af3928f3940 [2023-12-02 23:23:09,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:23:09,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:23:09,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:23:09,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:23:09,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:23:09,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:23:09" (1/1) ... [2023-12-02 23:23:09,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa8284f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:09, skipping insertion in model container [2023-12-02 23:23:09,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:23:09" (1/1) ... [2023-12-02 23:23:09,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:23:09,740 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_badee182-b256-4c0c-8fbe-199b93ddeb10/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c[1171,1184] [2023-12-02 23:23:10,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:23:10,240 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:23:10,253 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_badee182-b256-4c0c-8fbe-199b93ddeb10/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c[1171,1184] [2023-12-02 23:23:10,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:23:10,562 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:23:10,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10 WrapperNode [2023-12-02 23:23:10,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:23:10,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:23:10,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:23:10,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:23:10,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:10,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:11,765 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14488 [2023-12-02 23:23:11,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:23:11,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:23:11,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:23:11,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:23:11,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:11,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:12,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:12,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:12,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:12,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:12,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:12,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:12,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:23:12,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:23:12,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:23:12,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:23:12,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:23:10" (1/1) ... [2023-12-02 23:23:12,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:23:12,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:23:12,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:23:12,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:23:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:23:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:23:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:23:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:23:13,545 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:23:13,548 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:23:22,519 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:23:41,946 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:23:41,946 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:23:41,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:23:41 BoogieIcfgContainer [2023-12-02 23:23:41,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:23:41,949 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:23:41,949 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:23:41,956 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:23:41,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:23:41" (1/1) ... [2023-12-02 23:23:41,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:23:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:23:42,000 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:23:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:23:42,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:42,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:50,682 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 23:24:01,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:24:11,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:24:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:12,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 23:24:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 23:24:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:24:12,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:12,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:24:25,126 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 23:24:25,130 INFO L158 Benchmark]: Toolchain (without parser) took 75741.95ms. Allocated memory was 190.8MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 148.5MB in the beginning and 5.6GB in the end (delta: -5.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-12-02 23:24:25,131 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:24:25,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1173.71ms. Allocated memory is still 190.8MB. Free memory was 148.5MB in the beginning and 100.6MB in the end (delta: 47.9MB). Peak memory consumption was 139.6MB. Max. memory is 16.1GB. [2023-12-02 23:24:25,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 1161.06ms. Allocated memory was 251.7MB in the beginning and 446.7MB in the end (delta: 195.0MB). Free memory was 169.4MB in the beginning and 172.7MB in the end (delta: -3.3MB). Peak memory consumption was 223.0MB. Max. memory is 16.1GB. [2023-12-02 23:24:25,134 INFO L158 Benchmark]: Boogie Preprocessor took 1045.52ms. Allocated memory was 446.7MB in the beginning and 893.4MB in the end (delta: 446.7MB). Free memory was 172.7MB in the beginning and 537.3MB in the end (delta: -364.6MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. [2023-12-02 23:24:25,134 INFO L158 Benchmark]: RCFGBuilder took 29135.64ms. Allocated memory was 893.4MB in the beginning and 5.7GB in the end (delta: 4.8GB). Free memory was 537.3MB in the beginning and 4.9GB in the end (delta: -4.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-12-02 23:24:25,135 INFO L158 Benchmark]: CodeCheck took 43180.59ms. Allocated memory was 5.7GB in the beginning and 6.5GB in the end (delta: 755.0MB). Free memory was 4.9GB in the beginning and 5.6GB in the end (delta: -778.9MB). Peak memory consumption was 532.9MB. Max. memory is 16.1GB. [2023-12-02 23:24:25,140 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 0.20ms. Allocated memory is still 117.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1173.71ms. Allocated memory is still 190.8MB. Free memory was 148.5MB in the beginning and 100.6MB in the end (delta: 47.9MB). Peak memory consumption was 139.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1161.06ms. Allocated memory was 251.7MB in the beginning and 446.7MB in the end (delta: 195.0MB). Free memory was 169.4MB in the beginning and 172.7MB in the end (delta: -3.3MB). Peak memory consumption was 223.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1045.52ms. Allocated memory was 446.7MB in the beginning and 893.4MB in the end (delta: 446.7MB). Free memory was 172.7MB in the beginning and 537.3MB in the end (delta: -364.6MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. * RCFGBuilder took 29135.64ms. Allocated memory was 893.4MB in the beginning and 5.7GB in the end (delta: 4.8GB). Free memory was 537.3MB in the beginning and 4.9GB in the end (delta: -4.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 43180.59ms. Allocated memory was 5.7GB in the beginning and 6.5GB in the end (delta: 755.0MB). Free memory was 4.9GB in the beginning and 5.6GB in the end (delta: -778.9MB). Peak memory consumption was 532.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:24:25,355 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:24:25,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/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_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/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_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/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_badee182-b256-4c0c-8fbe-199b93ddeb10/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 e470594375d28c6fca24e3b46071dd23e9cc6b300f46bbf6faad9ca7287c9df3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:24:27,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:24:27,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:24:27,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:24:27,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:24:27,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:24:27,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:24:27,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:24:27,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:24:27,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:24:27,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:24:27,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:24:27,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:24:27,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:24:27,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:24:27,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:24:27,430 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:24:27,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:24:27,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:24:27,431 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:24:27,431 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:24:27,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:24:27,432 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:27,433 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:24:27,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:24:27,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:24:27,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:24:27,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:24:27,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:24:27,435 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:24:27,436 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:27,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:24:27,436 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:24:27,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:24:27,437 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_badee182-b256-4c0c-8fbe-199b93ddeb10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e470594375d28c6fca24e3b46071dd23e9cc6b300f46bbf6faad9ca7287c9df3 [2023-12-02 23:24:27,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:24:27,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:24:27,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:24:27,766 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:24:27,766 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:24:27,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c [2023-12-02 23:24:30,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:24:30,947 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:24:30,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c [2023-12-02 23:24:30,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/data/3aaed978f/9fa5bc0c78a944458244d6362d84ecb9/FLAG19e5c6134 [2023-12-02 23:24:30,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/data/3aaed978f/9fa5bc0c78a944458244d6362d84ecb9 [2023-12-02 23:24:30,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:24:30,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:24:30,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:24:30,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:24:31,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:24:31,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:24:30" (1/1) ... [2023-12-02 23:24:31,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5480fac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:31, skipping insertion in model container [2023-12-02 23:24:31,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:24:30" (1/1) ... [2023-12-02 23:24:31,092 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:24:31,354 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_badee182-b256-4c0c-8fbe-199b93ddeb10/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c[1171,1184] [2023-12-02 23:24:31,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:24:31,780 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:24:31,792 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_badee182-b256-4c0c-8fbe-199b93ddeb10/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c[1171,1184] [2023-12-02 23:24:32,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:24:32,023 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:24:32,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32 WrapperNode [2023-12-02 23:24:32,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:24:32,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:24:32,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:24:32,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:24:32,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,258 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3648 [2023-12-02 23:24:32,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:24:32,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:24:32,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:24:32,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:24:32,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:24:32,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:24:32,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:24:32,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:24:32,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:32" (1/1) ... [2023-12-02 23:24:32,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:24:32,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:24:32,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:24:32,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:24:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:24:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:24:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:24:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:24:33,082 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:24:33,085 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:24:38,531 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:24:38,765 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:24:38,766 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:24:38,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:24:38 BoogieIcfgContainer [2023-12-02 23:24:38,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:24:38,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:24:38,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:24:38,776 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:24:38,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:24:38" (1/1) ... [2023-12-02 23:24:38,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:24:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:24:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:24:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:24:38,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:38,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:38,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:38,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:38,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:24:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:39,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:40,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:24:40,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:40,556 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 23:24:40,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:24:41,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:24:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:24:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:24:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:24:42,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:42,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:42,075 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:42,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:24:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:44,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:45,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 3123 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-02 23:24:45,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:26,825 WARN L293 SmtUtils]: Spent 40.33s on a formula simplification. DAG size of input: 190 DAG size of output: 104 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:25:27,512 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 23:25:27,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:25:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-02 23:25:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-02 23:25:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:25:35,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:35,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:25:35,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:25:35,942 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:25:35,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:25:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:39,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:25:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:40,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 6018 conjuncts, 253 conjunts are in the unsatisfiable core [2023-12-02 23:25:40,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:04,237 WARN L293 SmtUtils]: Spent 2.23m on a formula simplification. DAG size of input: 448 DAG size of output: 415 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:29:00,560 WARN L293 SmtUtils]: Spent 51.89s on a formula simplification that was a NOOP. DAG size: 429 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:29:12,603 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 23:29:12,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badee182-b256-4c0c-8fbe-199b93ddeb10/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:31:04,914 WARN L293 SmtUtils]: Spent 1.72m on a formula simplification. DAG size of input: 420 DAG size of output: 419 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:32:01,368 WARN L293 SmtUtils]: Spent 51.64s on a formula simplification that was a NOOP. DAG size: 416 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:33:47,139 WARN L293 SmtUtils]: Spent 1.74m on a formula simplification. DAG size of input: 422 DAG size of output: 420 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:34:55,637 WARN L293 SmtUtils]: Spent 51.31s on a formula simplification that was a NOOP. DAG size: 420 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:34:56,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:36:13,993 WARN L293 SmtUtils]: Spent 51.81s on a formula simplification that was a NOOP. DAG size: 421 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:36:15,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:36:21,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]