./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/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_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/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_4529f4cc-dc43-4c00-8610-6196635917db/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 fabcc6fc4ef13916e42d084df6dc8bb894ecc0e60ee08c58c6f1fe549bef292d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:38:32,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:38:32,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:38:32,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:38:32,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:38:32,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:38:32,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:38:32,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:38:32,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:38:32,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:38:32,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:38:32,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:38:32,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:38:32,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:38:32,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:38:32,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:38:32,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:38:32,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:38:32,252 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:38:32,253 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:38:32,253 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:38:32,254 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:38:32,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:38:32,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:38:32,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:38:32,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:38:32,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:38:32,257 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:38:32,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:38:32,257 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:38:32,258 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_4529f4cc-dc43-4c00-8610-6196635917db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fabcc6fc4ef13916e42d084df6dc8bb894ecc0e60ee08c58c6f1fe549bef292d [2023-12-03 02:38:32,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:38:32,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:38:32,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:38:32,508 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:38:32,509 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:38:32,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c [2023-12-03 02:38:35,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:38:35,807 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:38:35,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c [2023-12-03 02:38:35,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/data/fa3ea242c/b6f82a5b6def42199642865ab806cb1b/FLAGfccf4e248 [2023-12-03 02:38:35,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/data/fa3ea242c/b6f82a5b6def42199642865ab806cb1b [2023-12-03 02:38:35,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:38:35,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:38:35,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:38:35,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:38:35,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:38:35,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:38:35" (1/1) ... [2023-12-03 02:38:35,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b77c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:35, skipping insertion in model container [2023-12-03 02:38:35,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:38:35" (1/1) ... [2023-12-03 02:38:36,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:38:36,479 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_4529f4cc-dc43-4c00-8610-6196635917db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c[1246,1259] [2023-12-03 02:38:38,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:38:38,106 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:38:38,118 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_4529f4cc-dc43-4c00-8610-6196635917db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c[1246,1259] [2023-12-03 02:38:39,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:38:39,372 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:38:39,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39 WrapperNode [2023-12-03 02:38:39,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:38:39,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:38:39,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:38:39,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:38:39,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:39,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:43,238 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58060 [2023-12-03 02:38:43,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:38:43,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:38:43,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:38:43,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:38:43,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:43,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:43,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:43,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:45,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:45,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:45,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:45,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:46,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:38:46,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:38:46,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:38:46,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:38:46,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:38:39" (1/1) ... [2023-12-03 02:38:46,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:38:46,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:38:46,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:38:46,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:38:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:38:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:38:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:38:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:38:48,384 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:38:48,385 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:39:35,288 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:42:22,916 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:42:22,917 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:42:22,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:42:22 BoogieIcfgContainer [2023-12-03 02:42:22,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:42:22,920 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:42:22,920 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:42:22,929 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:42:22,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:42:22" (1/1) ... [2023-12-03 02:42:22,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:42:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:22,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:42:22,988 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:42:22,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:42:22,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:22,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:42:35,293 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 02:42:35,297 INFO L158 Benchmark]: Toolchain (without parser) took 239410.00ms. Allocated memory was 148.9MB in the beginning and 14.3GB in the end (delta: 14.1GB). Free memory was 87.0MB in the beginning and 10.8GB in the end (delta: -10.7GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. [2023-12-03 02:42:35,297 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:42:35,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3485.97ms. Allocated memory was 148.9MB in the beginning and 444.6MB in the end (delta: 295.7MB). Free memory was 86.8MB in the beginning and 134.5MB in the end (delta: -47.7MB). Peak memory consumption was 299.3MB. Max. memory is 16.1GB. [2023-12-03 02:42:35,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 3864.57ms. Allocated memory was 444.6MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 134.5MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 830.5MB. Max. memory is 16.1GB. [2023-12-03 02:42:35,300 INFO L158 Benchmark]: Boogie Preprocessor took 2986.62ms. Allocated memory was 3.1GB in the beginning and 8.3GB in the end (delta: 5.2GB). Free memory was 2.1GB in the beginning and 6.9GB in the end (delta: -4.8GB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. [2023-12-03 02:42:35,300 INFO L158 Benchmark]: RCFGBuilder took 216692.96ms. Allocated memory was 8.3GB in the beginning and 14.3GB in the end (delta: 6.0GB). Free memory was 6.9GB in the beginning and 10.6GB in the end (delta: -3.6GB). Peak memory consumption was 6.9GB. Max. memory is 16.1GB. [2023-12-03 02:42:35,301 INFO L158 Benchmark]: CodeCheck took 12375.21ms. Allocated memory is still 14.3GB. Free memory was 10.6GB in the beginning and 10.8GB in the end (delta: -260.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:42:35,304 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 0.19ms. Allocated memory is still 96.5MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3485.97ms. Allocated memory was 148.9MB in the beginning and 444.6MB in the end (delta: 295.7MB). Free memory was 86.8MB in the beginning and 134.5MB in the end (delta: -47.7MB). Peak memory consumption was 299.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3864.57ms. Allocated memory was 444.6MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 134.5MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 830.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2986.62ms. Allocated memory was 3.1GB in the beginning and 8.3GB in the end (delta: 5.2GB). Free memory was 2.1GB in the beginning and 6.9GB in the end (delta: -4.8GB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. * RCFGBuilder took 216692.96ms. Allocated memory was 8.3GB in the beginning and 14.3GB in the end (delta: 6.0GB). Free memory was 6.9GB in the beginning and 10.6GB in the end (delta: -3.6GB). Peak memory consumption was 6.9GB. Max. memory is 16.1GB. * CodeCheck took 12375.21ms. Allocated memory is still 14.3GB. Free memory was 10.6GB in the beginning and 10.8GB in the end (delta: -260.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:42:35,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/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_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/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_4529f4cc-dc43-4c00-8610-6196635917db/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 fabcc6fc4ef13916e42d084df6dc8bb894ecc0e60ee08c58c6f1fe549bef292d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:42:37,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:42:38,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 02:42:38,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:42:38,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:42:38,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:42:38,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:42:38,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:42:38,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:42:38,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:42:38,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:42:38,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:42:38,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:42:38,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:42:38,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:42:38,104 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:42:38,105 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:42:38,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:42:38,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:42:38,106 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:42:38,107 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:42:38,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:42:38,108 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:38,108 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:42:38,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:42:38,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:42:38,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:42:38,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:42:38,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:42:38,111 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:42:38,111 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:38,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:42:38,112 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:42:38,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:42:38,112 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_4529f4cc-dc43-4c00-8610-6196635917db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fabcc6fc4ef13916e42d084df6dc8bb894ecc0e60ee08c58c6f1fe549bef292d [2023-12-03 02:42:38,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:42:38,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:42:38,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:42:38,460 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:42:38,461 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:42:38,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c [2023-12-03 02:42:41,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:42:41,989 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:42:41,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c [2023-12-03 02:42:42,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/data/e7eb4946c/e9c327d6539548118a5711969ea99a05/FLAGf88f793b2 [2023-12-03 02:42:42,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/data/e7eb4946c/e9c327d6539548118a5711969ea99a05 [2023-12-03 02:42:42,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:42:42,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:42:42,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:42:42,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:42:42,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:42:42,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:42:42" (1/1) ... [2023-12-03 02:42:42,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ef6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:42, skipping insertion in model container [2023-12-03 02:42:42,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:42:42" (1/1) ... [2023-12-03 02:42:42,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:42:42,731 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_4529f4cc-dc43-4c00-8610-6196635917db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c[1246,1259] [2023-12-03 02:42:44,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:42:44,135 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:42:44,148 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_4529f4cc-dc43-4c00-8610-6196635917db/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal122.c[1246,1259] [2023-12-03 02:42:45,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:42:45,105 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:42:45,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45 WrapperNode [2023-12-03 02:42:45,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:42:45,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:42:45,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:42:45,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:42:45,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:45,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:45,659 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18697 [2023-12-03 02:42:45,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:42:45,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:42:45,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:42:45,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:42:45,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:45,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:45,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:45,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:46,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:46,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:46,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:46,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:46,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:42:46,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:42:46,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:42:46,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:42:46,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:45" (1/1) ... [2023-12-03 02:42:46,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:42:46,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:42:46,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:42:46,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:42:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:42:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:42:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:42:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:42:48,526 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:42:48,528 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:46:54,717 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:46:55,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:46:55,355 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:46:55,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:46:55 BoogieIcfgContainer [2023-12-03 02:46:55,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:46:55,357 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:46:55,358 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:46:55,365 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:46:55,366 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:46:55" (1/1) ... [2023-12-03 02:46:55,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:46:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:46:55,418 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:46:55,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:46:55,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:55,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:55,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:55,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:55,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:46:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:59,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:00,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:47:00,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:00,760 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 02:47:00,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:47:11,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:21,816 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 [] [2023-12-03 02:47:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 02:47:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 02:47:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:47:22,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:22,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:22,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:22,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:22,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:48:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:27,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:34,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 15923 conjuncts, 292 conjunts are in the unsatisfiable core [2023-12-03 02:48:34,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:40,551 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 02:48:40,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 02:48:54,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:49:08,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:49:18,559 WARN L539 Checker$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 02:49:28,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:49:41,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:49:43,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:49:53,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:50:03,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:50:05,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:50:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 02:50:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 02:50:05,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:50:05,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:05,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:05,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:05,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:05,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529f4cc-dc43-4c00-8610-6196635917db/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process