./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/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 2c91dd4e4ac7dbad45dcb4676d806c51a96375f2400ab6c4b831e2b2d956a389 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:37:24,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:37:24,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:37:24,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:37:24,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:37:25,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:37:25,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:37:25,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:37:25,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:37:25,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:37:25,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:37:25,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:37:25,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:37:25,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:37:25,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:37:25,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:37:25,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:37:25,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:37:25,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:37:25,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:37:25,016 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:37:25,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:37:25,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:37:25,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:37:25,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:37:25,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:37:25,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:37:25,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:37:25,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:37:25,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:37:25,021 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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c91dd4e4ac7dbad45dcb4676d806c51a96375f2400ab6c4b831e2b2d956a389 [2023-12-02 23:37:25,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:37:25,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:37:25,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:37:25,264 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:37:25,264 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:37:25,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c [2023-12-02 23:37:28,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:37:28,678 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:37:28,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c [2023-12-02 23:37:28,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/data/61d0a93ce/12f2ab4ec2d34a25a5c59d2e547e8be9/FLAG3fd5f7da3 [2023-12-02 23:37:28,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/data/61d0a93ce/12f2ab4ec2d34a25a5c59d2e547e8be9 [2023-12-02 23:37:28,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:37:28,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:37:28,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:37:28,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:37:28,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:37:28,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:28" (1/1) ... [2023-12-02 23:37:28,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d9ad56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:28, skipping insertion in model container [2023-12-02 23:37:28,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:28" (1/1) ... [2023-12-02 23:37:29,009 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:37:29,384 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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c[1245,1258] [2023-12-02 23:37:31,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:37:31,102 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:37:31,114 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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c[1245,1258] [2023-12-02 23:37:32,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:37:32,349 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:37:32,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32 WrapperNode [2023-12-02 23:37:32,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:37:32,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:37:32,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:37:32,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:37:32,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:32,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:36,277 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57450 [2023-12-02 23:37:36,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:37:36,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:37:36,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:37:36,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:37:36,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:36,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:37,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:37,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:38,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:38,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:38,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:38,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:39,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:37:39,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:37:39,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:37:39,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:37:39,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:32" (1/1) ... [2023-12-02 23:37:39,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:37:39,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:37:39,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:37:39,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:37:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:37:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:37:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:37:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:37:41,673 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:37:41,675 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:38:22,697 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:41:09,668 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:41:09,669 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:41:09,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:09 BoogieIcfgContainer [2023-12-02 23:41:09,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:41:09,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:41:09,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:41:09,679 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:41:09,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:09" (1/1) ... [2023-12-02 23:41:09,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:41:09,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:09,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:41:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:41:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:41:09,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:41:21,621 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 23:41:21,625 INFO L158 Benchmark]: Toolchain (without parser) took 232866.24ms. Allocated memory was 148.9MB in the beginning and 14.4GB in the end (delta: 14.3GB). Free memory was 88.4MB in the beginning and 10.7GB in the end (delta: -10.6GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2023-12-02 23:41:21,625 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:41:21,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3591.03ms. Allocated memory was 148.9MB in the beginning and 637.5MB in the end (delta: 488.6MB). Free memory was 87.7MB in the beginning and 327.8MB in the end (delta: -240.1MB). Peak memory consumption was 341.8MB. Max. memory is 16.1GB. [2023-12-02 23:41:21,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 3926.60ms. Allocated memory was 637.5MB in the beginning and 5.1GB in the end (delta: 4.5GB). Free memory was 327.8MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 770.0MB. Max. memory is 16.1GB. [2023-12-02 23:41:21,627 INFO L158 Benchmark]: Boogie Preprocessor took 3329.28ms. Allocated memory is still 5.1GB. Free memory was 4.2GB in the beginning and 3.9GB in the end (delta: 292.6MB). Peak memory consumption was 514.9MB. Max. memory is 16.1GB. [2023-12-02 23:41:21,628 INFO L158 Benchmark]: RCFGBuilder took 210062.60ms. Allocated memory was 5.1GB in the beginning and 14.4GB in the end (delta: 9.3GB). Free memory was 3.9GB in the beginning and 11.0GB in the end (delta: -7.1GB). Peak memory consumption was 6.8GB. Max. memory is 16.1GB. [2023-12-02 23:41:21,629 INFO L158 Benchmark]: CodeCheck took 11951.85ms. Allocated memory is still 14.4GB. Free memory was 11.0GB in the beginning and 10.7GB in the end (delta: 291.5MB). Peak memory consumption was 289.4MB. Max. memory is 16.1GB. [2023-12-02 23:41:21,632 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 111.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3591.03ms. Allocated memory was 148.9MB in the beginning and 637.5MB in the end (delta: 488.6MB). Free memory was 87.7MB in the beginning and 327.8MB in the end (delta: -240.1MB). Peak memory consumption was 341.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3926.60ms. Allocated memory was 637.5MB in the beginning and 5.1GB in the end (delta: 4.5GB). Free memory was 327.8MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 770.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3329.28ms. Allocated memory is still 5.1GB. Free memory was 4.2GB in the beginning and 3.9GB in the end (delta: 292.6MB). Peak memory consumption was 514.9MB. Max. memory is 16.1GB. * RCFGBuilder took 210062.60ms. Allocated memory was 5.1GB in the beginning and 14.4GB in the end (delta: 9.3GB). Free memory was 3.9GB in the beginning and 11.0GB in the end (delta: -7.1GB). Peak memory consumption was 6.8GB. Max. memory is 16.1GB. * CodeCheck took 11951.85ms. Allocated memory is still 14.4GB. Free memory was 11.0GB in the beginning and 10.7GB in the end (delta: 291.5MB). Peak memory consumption was 289.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:41:21,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/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 2c91dd4e4ac7dbad45dcb4676d806c51a96375f2400ab6c4b831e2b2d956a389 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:41:24,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:41:24,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:41:24,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:41:24,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:41:24,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:41:24,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:41:24,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:41:24,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:41:24,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:41:24,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:41:24,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:41:24,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:41:24,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:41:24,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:41:24,287 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:41:24,288 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:41:24,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:41:24,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:41:24,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:41:24,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:41:24,291 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:41:24,291 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:24,292 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:41:24,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:41:24,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:41:24,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:41:24,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:41:24,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:41:24,294 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:41:24,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:24,295 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:41:24,295 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:41:24,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:41:24,296 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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c91dd4e4ac7dbad45dcb4676d806c51a96375f2400ab6c4b831e2b2d956a389 [2023-12-02 23:41:24,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:41:24,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:41:24,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:41:24,615 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:41:24,616 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:41:24,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c [2023-12-02 23:41:27,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:41:28,038 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:41:28,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c [2023-12-02 23:41:28,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/data/72797cdba/396b278f44d942a399552303952192d0/FLAG1d36df245 [2023-12-02 23:41:28,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/data/72797cdba/396b278f44d942a399552303952192d0 [2023-12-02 23:41:28,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:41:28,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:41:28,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:41:28,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:41:28,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:41:28,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:28" (1/1) ... [2023-12-02 23:41:28,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6f647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:28, skipping insertion in model container [2023-12-02 23:41:28,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:28" (1/1) ... [2023-12-02 23:41:28,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:41:28,772 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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c[1245,1258] [2023-12-02 23:41:30,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:41:30,056 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:41:30,068 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_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal99.c[1245,1258] [2023-12-02 23:41:31,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:41:31,124 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:41:31,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31 WrapperNode [2023-12-02 23:41:31,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:41:31,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:41:31,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:41:31,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:41:31,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:31,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:31,796 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18625 [2023-12-02 23:41:31,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:41:31,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:41:31,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:41:31,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:41:31,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:31,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:31,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:31,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:32,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:32,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:32,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:32,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:32,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:41:32,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:41:32,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:41:32,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:41:32,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:31" (1/1) ... [2023-12-02 23:41:32,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:41:32,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:41:32,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:41:32,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:41:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:41:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:41:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:41:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:41:34,525 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:41:34,527 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:44:22,913 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:44:23,491 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:44:23,567 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:44:23,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:23 BoogieIcfgContainer [2023-12-02 23:44:23,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:44:23,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:44:23,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:44:23,579 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:44:23,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:23" (1/1) ... [2023-12-02 23:44:23,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:44:23,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:44:23,642 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:44:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:44:23,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:23,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:23,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:23,665 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:23,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:44:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:27,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:28,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:44:28,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:28,749 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 23:44:28,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:44:39,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:49,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:44:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:44:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:44:50,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:50,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:50,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:50,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:50,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:45:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:23,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:30,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 15811 conjuncts, 223 conjunts are in the unsatisfiable core [2023-12-02 23:45:30,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:35,670 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 23:45:35,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:45:48,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:02,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:12,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:22,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:34,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:46,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:56,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:59,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-02 23:46:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-02 23:46:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:46:59,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:59,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:59,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:59,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:59,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84aafc47-a00b-4be2-a6a0-4dd4e925c54f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process