./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/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 31f75e3a6c15bdab3d9f6821e95816cb19b70e3f3431428fbee7732730ce7148 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:30:38,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:30:38,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:30:38,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:30:38,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:30:38,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:30:38,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:30:38,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:30:38,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:30:38,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:30:38,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:30:38,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:30:38,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:30:38,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:30:38,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:30:38,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:30:38,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:30:38,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:30:38,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:30:38,951 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:30:38,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:30:38,952 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:30:38,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:30:38,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:30:38,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:30:38,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:30:38,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:30:38,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:30:38,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:30:38,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:30:38,955 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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f75e3a6c15bdab3d9f6821e95816cb19b70e3f3431428fbee7732730ce7148 [2023-12-02 21:30:39,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:30:39,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:30:39,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:30:39,218 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:30:39,219 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:30:39,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c [2023-12-02 21:30:41,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:30:42,324 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:30:42,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c [2023-12-02 21:30:42,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/data/2454d394e/4931fa4105d54dde97b1c259de3eaebf/FLAGed9a7d015 [2023-12-02 21:30:42,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/data/2454d394e/4931fa4105d54dde97b1c259de3eaebf [2023-12-02 21:30:42,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:30:42,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:30:42,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:30:42,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:30:42,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:30:42,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:30:42" (1/1) ... [2023-12-02 21:30:42,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7324fb29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:42, skipping insertion in model container [2023-12-02 21:30:42,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:30:42" (1/1) ... [2023-12-02 21:30:42,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:30:42,710 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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c[1176,1189] [2023-12-02 21:30:43,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:30:43,419 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:30:43,431 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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c[1176,1189] [2023-12-02 21:30:43,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:30:43,928 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:30:43,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43 WrapperNode [2023-12-02 21:30:43,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:30:43,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:30:43,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:30:43,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:30:43,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:44,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:45,840 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23136 [2023-12-02 21:30:45,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:30:45,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:30:45,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:30:45,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:30:45,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:45,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:46,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:46,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:46,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:46,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:47,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:47,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:47,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:30:47,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:30:47,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:30:47,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:30:47,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:30:43" (1/1) ... [2023-12-02 21:30:47,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:30:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:30:47,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:30:47,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:30:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:30:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:30:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:30:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:30:48,797 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:30:48,799 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:31:02,567 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:31:42,472 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:31:42,473 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:31:42,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:42 BoogieIcfgContainer [2023-12-02 21:31:42,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:31:42,475 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:31:42,475 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:31:42,482 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:31:42,482 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:42" (1/1) ... [2023-12-02 21:31:42,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:31:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:31:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:31:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:31:42,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:42,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:45,361 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 21:31:56,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:32:06,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:32:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 21:32:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 21:32:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:32:07,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:07,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:32:22,131 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 21:32:22,134 INFO L158 Benchmark]: Toolchain (without parser) took 99770.25ms. Allocated memory was 176.2MB in the beginning and 8.6GB in the end (delta: 8.4GB). Free memory was 122.0MB in the beginning and 7.2GB in the end (delta: -7.1GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-12-02 21:32:22,135 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 78.1MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:32:22,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1563.76ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 121.5MB in the beginning and 110.9MB in the end (delta: 10.6MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. [2023-12-02 21:32:22,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 1911.38ms. Allocated memory was 253.8MB in the beginning and 826.3MB in the end (delta: 572.5MB). Free memory was 110.9MB in the beginning and 451.2MB in the end (delta: -340.3MB). Peak memory consumption was 312.8MB. Max. memory is 16.1GB. [2023-12-02 21:32:22,137 INFO L158 Benchmark]: Boogie Preprocessor took 1603.00ms. Allocated memory is still 826.3MB. Free memory was 451.2MB in the beginning and 327.5MB in the end (delta: 123.7MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2023-12-02 21:32:22,138 INFO L158 Benchmark]: RCFGBuilder took 55028.88ms. Allocated memory was 826.3MB in the beginning and 7.7GB in the end (delta: 6.9GB). Free memory was 327.5MB in the beginning and 5.9GB in the end (delta: -5.5GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2023-12-02 21:32:22,139 INFO L158 Benchmark]: CodeCheck took 39658.82ms. Allocated memory was 7.7GB in the beginning and 8.6GB in the end (delta: 899.7MB). Free memory was 5.9GB in the beginning and 7.2GB in the end (delta: -1.4GB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. [2023-12-02 21:32:22,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 78.1MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1563.76ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 121.5MB in the beginning and 110.9MB in the end (delta: 10.6MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1911.38ms. Allocated memory was 253.8MB in the beginning and 826.3MB in the end (delta: 572.5MB). Free memory was 110.9MB in the beginning and 451.2MB in the end (delta: -340.3MB). Peak memory consumption was 312.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1603.00ms. Allocated memory is still 826.3MB. Free memory was 451.2MB in the beginning and 327.5MB in the end (delta: 123.7MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. * RCFGBuilder took 55028.88ms. Allocated memory was 826.3MB in the beginning and 7.7GB in the end (delta: 6.9GB). Free memory was 327.5MB in the beginning and 5.9GB in the end (delta: -5.5GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. * CodeCheck took 39658.82ms. Allocated memory was 7.7GB in the beginning and 8.6GB in the end (delta: 899.7MB). Free memory was 5.9GB in the beginning and 7.2GB in the end (delta: -1.4GB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:32:22,354 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:32:22,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/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 31f75e3a6c15bdab3d9f6821e95816cb19b70e3f3431428fbee7732730ce7148 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:32:24,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:32:24,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:32:24,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:32:24,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:32:24,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:32:24,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:32:24,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:32:24,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:32:24,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:32:24,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:32:24,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:32:24,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:32:24,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:32:24,529 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:32:24,530 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:32:24,531 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:32:24,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:32:24,531 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:32:24,532 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:32:24,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:32:24,533 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:32:24,533 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:24,534 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:32:24,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:32:24,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:24,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:32:24,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:32:24,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:32:24,536 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:32:24,536 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:24,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:32:24,537 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:32:24,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:32:24,537 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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f75e3a6c15bdab3d9f6821e95816cb19b70e3f3431428fbee7732730ce7148 [2023-12-02 21:32:24,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:32:24,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:32:24,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:32:24,866 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:32:24,867 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:32:24,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c [2023-12-02 21:32:27,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:32:28,110 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:32:28,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c [2023-12-02 21:32:28,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/data/601982472/bcdf8fd2af644eb6b171cbd82eb2d554/FLAG09b25a6de [2023-12-02 21:32:28,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/data/601982472/bcdf8fd2af644eb6b171cbd82eb2d554 [2023-12-02 21:32:28,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:32:28,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:32:28,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:28,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:32:28,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:32:28,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:28" (1/1) ... [2023-12-02 21:32:28,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1e2324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:28, skipping insertion in model container [2023-12-02 21:32:28,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:28" (1/1) ... [2023-12-02 21:32:28,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:32:28,561 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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c[1176,1189] [2023-12-02 21:32:29,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:29,144 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:32:29,156 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_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.6.prop2-func-interl.c[1176,1189] [2023-12-02 21:32:29,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:29,586 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:32:29,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29 WrapperNode [2023-12-02 21:32:29,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:29,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:29,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:32:29,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:32:29,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:29,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,017 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7136 [2023-12-02 21:32:30,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:30,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:32:30,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:32:30,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:32:30,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:32:30,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:32:30,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:32:30,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:32:30,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:29" (1/1) ... [2023-12-02 21:32:30,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:30,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:32:30,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:32:30,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:32:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:32:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:32:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:32:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:32:31,348 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:32:31,351 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:32:51,596 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:32:51,884 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:32:51,885 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:32:51,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:51 BoogieIcfgContainer [2023-12-02 21:32:51,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:32:51,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:32:51,887 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:32:51,894 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:32:51,894 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:51" (1/1) ... [2023-12-02 21:32:51,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:32:51,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:51,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:32:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:32:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:32:51,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:51,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:51,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:51,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:51,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:32:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:53,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:54,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:32:54,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:54,252 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 21:32:54,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:33:00,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.97s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:33:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:33:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:33:00,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:00,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:00,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:00,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:00,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:33:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:05,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:33:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:07,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 6232 conjuncts, 159 conjunts are in the unsatisfiable core [2023-12-02 21:33:07,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:09,915 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 21:33:09,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:33:15,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:20,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:27,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.74s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:29,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:39,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:33:46,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.13s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:33:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 21:33:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 21:33:48,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:33:48,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:48,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:48,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:48,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:48,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:33:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:56,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:00,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 12229 conjuncts, 354 conjunts are in the unsatisfiable core [2023-12-02 21:34:00,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:10,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 21:34:10,676 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 21:34:10,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a26e71-9737-43fc-91b7-b0f2bf6e8622/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:34:10,743 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) 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 21:34:10,747 INFO L158 Benchmark]: Toolchain (without parser) took 102582.76ms. Allocated memory was 86.0MB in the beginning and 981.5MB in the end (delta: 895.5MB). Free memory was 60.8MB in the beginning and 410.6MB in the end (delta: -349.8MB). Peak memory consumption was 544.7MB. Max. memory is 16.1GB. [2023-12-02 21:34:10,748 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:10,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.71ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 61.6MB in the end (delta: -790.8kB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2023-12-02 21:34:10,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 430.33ms. Allocated memory was 134.2MB in the beginning and 278.9MB in the end (delta: 144.7MB). Free memory was 61.6MB in the beginning and 180.8MB in the end (delta: -119.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-02 21:34:10,750 INFO L158 Benchmark]: Boogie Preprocessor took 316.44ms. Allocated memory is still 278.9MB. Free memory was 180.8MB in the beginning and 150.4MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 21:34:10,751 INFO L158 Benchmark]: RCFGBuilder took 21549.72ms. Allocated memory was 278.9MB in the beginning and 681.6MB in the end (delta: 402.7MB). Free memory was 149.4MB in the beginning and 229.7MB in the end (delta: -80.3MB). Peak memory consumption was 389.5MB. Max. memory is 16.1GB. [2023-12-02 21:34:10,751 INFO L158 Benchmark]: CodeCheck took 78859.08ms. Allocated memory was 681.6MB in the beginning and 981.5MB in the end (delta: 299.9MB). Free memory was 229.7MB in the beginning and 410.6MB in the end (delta: -180.9MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2023-12-02 21:34:10,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.71ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 61.6MB in the end (delta: -790.8kB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 430.33ms. Allocated memory was 134.2MB in the beginning and 278.9MB in the end (delta: 144.7MB). Free memory was 61.6MB in the beginning and 180.8MB in the end (delta: -119.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 316.44ms. Allocated memory is still 278.9MB. Free memory was 180.8MB in the beginning and 150.4MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 21549.72ms. Allocated memory was 278.9MB in the beginning and 681.6MB in the end (delta: 402.7MB). Free memory was 149.4MB in the beginning and 229.7MB in the end (delta: -80.3MB). Peak memory consumption was 389.5MB. Max. memory is 16.1GB. * CodeCheck took 78859.08ms. Allocated memory was 681.6MB in the beginning and 981.5MB in the end (delta: 299.9MB). Free memory was 229.7MB in the beginning and 410.6MB in the end (delta: -180.9MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants