./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/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 7ffa7211fa1cbf66ca75ab73473062c0fcd7b10c25684a139cdd65fcb3c9a5dd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:34:25,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:34:25,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:34:25,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:34:25,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:34:25,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:34:25,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:34:25,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:34:25,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:34:25,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:34:25,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:34:25,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:34:25,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:34:25,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:34:25,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:34:25,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:34:25,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:34:25,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:34:25,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:34:25,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:34:25,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:34:25,323 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:34:25,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:34:25,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:34:25,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:34:25,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:34:25,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:34:25,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:34:25,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:34:25,327 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:34:25,327 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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ffa7211fa1cbf66ca75ab73473062c0fcd7b10c25684a139cdd65fcb3c9a5dd [2023-12-03 01:34:25,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:34:25,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:34:25,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:34:25,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:34:25,601 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:34:25,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c [2023-12-03 01:34:28,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:34:28,818 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:34:28,819 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c [2023-12-03 01:34:28,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/data/c92ad5829/fc88bc3ff67a4978b1f343a7700b0960/FLAGea873552a [2023-12-03 01:34:28,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/data/c92ad5829/fc88bc3ff67a4978b1f343a7700b0960 [2023-12-03 01:34:28,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:34:28,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:34:28,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:34:28,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:34:28,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:34:28,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:34:28" (1/1) ... [2023-12-03 01:34:28,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e52c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:28, skipping insertion in model container [2023-12-03 01:34:28,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:34:28" (1/1) ... [2023-12-03 01:34:29,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:34:29,419 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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c[1245,1258] [2023-12-03 01:34:30,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:34:30,596 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:34:30,606 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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c[1245,1258] [2023-12-03 01:34:31,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:34:31,520 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:34:31,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31 WrapperNode [2023-12-03 01:34:31,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:34:31,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:34:31,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:34:31,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:34:31,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:31,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:34,352 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42071 [2023-12-03 01:34:34,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:34:34,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:34:34,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:34:34,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:34:34,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:34,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:35,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:35,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:35,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:35,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:36,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:36,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:36,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:34:36,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:34:36,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:34:36,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:34:36,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:31" (1/1) ... [2023-12-03 01:34:36,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:34:36,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:34:36,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:34:36,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:34:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:34:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:34:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:34:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:34:38,283 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:34:38,285 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:35:03,358 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:36:48,419 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:36:48,420 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:36:48,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:36:48 BoogieIcfgContainer [2023-12-03 01:36:48,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:36:48,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:36:48,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:36:48,430 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:36:48,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:36:48" (1/1) ... [2023-12-03 01:36:48,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:36:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:36:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:36:48,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:36:48,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:48,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:36:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:36:52,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:36:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:37:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:37:07,359 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:37:07,364 INFO L158 Benchmark]: Toolchain (without parser) took 158460.81ms. Allocated memory was 117.4MB in the beginning and 12.7GB in the end (delta: 12.6GB). Free memory was 52.2MB in the beginning and 10.0GB in the end (delta: -10.0GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2023-12-03 01:37:07,365 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:37:07,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2616.80ms. Allocated memory was 117.4MB in the beginning and 367.0MB in the end (delta: 249.6MB). Free memory was 52.1MB in the beginning and 151.0MB in the end (delta: -98.9MB). Peak memory consumption was 196.0MB. Max. memory is 16.1GB. [2023-12-03 01:37:07,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 2830.85ms. Allocated memory was 367.0MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 151.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 532.4MB. Max. memory is 16.1GB. [2023-12-03 01:37:07,368 INFO L158 Benchmark]: Boogie Preprocessor took 2266.44ms. Allocated memory is still 2.5GB. Free memory was 1.8GB in the beginning and 1.6GB in the end (delta: 218.1MB). Peak memory consumption was 266.3MB. Max. memory is 16.1GB. [2023-12-03 01:37:07,368 INFO L158 Benchmark]: RCFGBuilder took 131801.19ms. Allocated memory was 2.5GB in the beginning and 12.7GB in the end (delta: 10.2GB). Free memory was 1.6GB in the beginning and 10.3GB in the end (delta: -8.7GB). Peak memory consumption was 5.9GB. Max. memory is 16.1GB. [2023-12-03 01:37:07,369 INFO L158 Benchmark]: CodeCheck took 18940.86ms. Allocated memory is still 12.7GB. Free memory was 10.3GB in the beginning and 10.0GB in the end (delta: 286.9MB). Peak memory consumption was 286.9MB. Max. memory is 16.1GB. [2023-12-03 01:37:07,374 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2616.80ms. Allocated memory was 117.4MB in the beginning and 367.0MB in the end (delta: 249.6MB). Free memory was 52.1MB in the beginning and 151.0MB in the end (delta: -98.9MB). Peak memory consumption was 196.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2830.85ms. Allocated memory was 367.0MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 151.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 532.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2266.44ms. Allocated memory is still 2.5GB. Free memory was 1.8GB in the beginning and 1.6GB in the end (delta: 218.1MB). Peak memory consumption was 266.3MB. Max. memory is 16.1GB. * RCFGBuilder took 131801.19ms. Allocated memory was 2.5GB in the beginning and 12.7GB in the end (delta: 10.2GB). Free memory was 1.6GB in the beginning and 10.3GB in the end (delta: -8.7GB). Peak memory consumption was 5.9GB. Max. memory is 16.1GB. * CodeCheck took 18940.86ms. Allocated memory is still 12.7GB. Free memory was 10.3GB in the beginning and 10.0GB in the end (delta: 286.9MB). Peak memory consumption was 286.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:37:07,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/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 7ffa7211fa1cbf66ca75ab73473062c0fcd7b10c25684a139cdd65fcb3c9a5dd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:37:10,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:37:10,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:37:10,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:37:10,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:37:10,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:37:10,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:37:10,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:37:10,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:37:10,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:37:10,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:37:10,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:37:10,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:37:10,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:37:10,279 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:37:10,279 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:37:10,280 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:37:10,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:37:10,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:37:10,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:37:10,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:37:10,283 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:37:10,283 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:10,284 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:37:10,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:37:10,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:37:10,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:37:10,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:37:10,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:37:10,286 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:37:10,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:37:10,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:37:10,288 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:37:10,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:37:10,288 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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ffa7211fa1cbf66ca75ab73473062c0fcd7b10c25684a139cdd65fcb3c9a5dd [2023-12-03 01:37:10,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:37:10,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:37:10,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:37:10,611 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:37:10,611 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:37:10,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c [2023-12-03 01:37:13,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:37:14,020 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:37:14,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c [2023-12-03 01:37:14,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/data/178c16bf2/bd670a3426ff42b7a5510fbc17a161c3/FLAG09a77c8c4 [2023-12-03 01:37:14,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/data/178c16bf2/bd670a3426ff42b7a5510fbc17a161c3 [2023-12-03 01:37:14,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:37:14,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:37:14,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:37:14,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:37:14,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:37:14,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:37:14" (1/1) ... [2023-12-03 01:37:14,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155170f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:14, skipping insertion in model container [2023-12-03 01:37:14,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:37:14" (1/1) ... [2023-12-03 01:37:14,284 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:37:14,612 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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c[1245,1258] [2023-12-03 01:37:15,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:37:15,489 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:37:15,503 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_6cce8cab-e824-45fb-87a0-23ac7a8403b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal45.c[1245,1258] [2023-12-03 01:37:16,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:37:16,244 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:37:16,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16 WrapperNode [2023-12-03 01:37:16,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:37:16,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:37:16,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:37:16,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:37:16,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:16,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:16,753 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11480 [2023-12-03 01:37:16,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:37:16,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:37:16,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:37:16,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:37:16,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:16,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:16,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:16,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:17,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:17,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:17,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:17,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:17,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:37:17,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:37:17,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:37:17,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:37:17,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:16" (1/1) ... [2023-12-03 01:37:17,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:37:17,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:37:17,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:37:17,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:37:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:37:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:37:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:37:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:37:18,794 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:37:18,797 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:38:45,480 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:38:46,110 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:38:46,110 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:38:46,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:38:46 BoogieIcfgContainer [2023-12-03 01:38:46,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:38:46,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:38:46,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:38:46,123 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:38:46,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:38:46" (1/1) ... [2023-12-03 01:38:46,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:38:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:46,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:38:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:38:46,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:38:46,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:46,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:46,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:46,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:46,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:38:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:49,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:49,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 01:38:49,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:38:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:38:50,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:39:01,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:39:11,113 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 [] [2023-12-03 01:39:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:39:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 01:39:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 01:39:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:39:11,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:39:11,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:39:11,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:39:11,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:39:11,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:39:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:39:25,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:39:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:39:28,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 9565 conjuncts, 165 conjunts are in the unsatisfiable core [2023-12-03 01:39:28,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:39:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:39:32,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:39:44,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:39:57,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:07,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:17,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:28,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:39,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:49,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:40:49,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:49,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 01:40:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 01:40:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:40:49,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:49,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:40:49,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:40:49,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:40:49,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:42:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:42:04,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:42:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:42:11,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 18728 conjuncts, 344 conjunts are in the unsatisfiable core [2023-12-03 01:42:11,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:42:47,883 WARN L293 SmtUtils]: Spent 19.93s on a formula simplification. DAG size of input: 547 DAG size of output: 362 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:42:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:42:55,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 01:43:11,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:43:21,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:43:33,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:43:44,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:43:55,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:05,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:22,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:44:32,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:44:42,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:44:53,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:45:03,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:45:20,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:45:33,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:45:43,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:45:53,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:45:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:45:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2023-12-03 01:45:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2023-12-03 01:45:54,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:45:54,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:45:54,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:45:54,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:45:54,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:45:54,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cce8cab-e824-45fb-87a0-23ac7a8403b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:47:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:13,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:47:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:20,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 18728 conjuncts, 340 conjunts are in the unsatisfiable core [2023-12-03 01:47:20,415 INFO L285 TraceCheckSpWp]: Computing forward predicates...