./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal235.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_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/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_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal235.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/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_3066d23f-7da7-47d3-9cee-92390e2a6085/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 a0cbe4f7d5a3470e5eae0a999dbad276b733e8e5760b805123649a2823572fa1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:50:17,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:50:17,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:50:17,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:50:17,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:50:17,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:50:17,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:50:17,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:50:17,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:50:17,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:50:17,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:50:17,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:50:17,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:50:17,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:50:17,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:50:17,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:50:17,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:50:17,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:50:17,504 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:50:17,505 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:50:17,505 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:50:17,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:50:17,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:50:17,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:50:17,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:50:17,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:50:17,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:50:17,508 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:50:17,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:50:17,509 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:50:17,510 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_3066d23f-7da7-47d3-9cee-92390e2a6085/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0cbe4f7d5a3470e5eae0a999dbad276b733e8e5760b805123649a2823572fa1 [2023-12-03 02:50:17,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:50:17,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:50:17,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:50:17,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:50:17,750 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:50:17,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal235.c [2023-12-03 02:50:20,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:50:21,642 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:50:21,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal235.c [2023-12-03 02:50:21,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/data/16ee3bdf0/4e083a122dca48be84c03fac83d6104b/FLAG130d91a52 [2023-12-03 02:50:21,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/data/16ee3bdf0/4e083a122dca48be84c03fac83d6104b [2023-12-03 02:50:21,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:50:21,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:50:21,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:50:21,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:50:21,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:50:21,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:50:21" (1/1) ... [2023-12-03 02:50:21,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5eeee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:21, skipping insertion in model container [2023-12-03 02:50:21,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:50:21" (1/1) ... [2023-12-03 02:50:22,214 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:50:22,734 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_3066d23f-7da7-47d3-9cee-92390e2a6085/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal235.c[1246,1259] [2023-12-03 02:50:25,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:50:25,620 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:50:25,630 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_3066d23f-7da7-47d3-9cee-92390e2a6085/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal235.c[1246,1259] [2023-12-03 02:50:27,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:50:27,448 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:50:27,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27 WrapperNode [2023-12-03 02:50:27,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:50:27,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:50:27,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:50:27,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:50:27,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:28,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:32,797 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117850 [2023-12-03 02:50:32,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:50:32,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:50:32,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:50:32,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:50:32,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:32,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:34,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:34,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:35,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:35,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:36,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:36,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:37,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:50:37,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:50:37,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:50:37,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:50:37,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:27" (1/1) ... [2023-12-03 02:50:37,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:50:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:50:37,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:50:37,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3066d23f-7da7-47d3-9cee-92390e2a6085/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:50:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:50:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:50:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:50:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:50:42,488 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:50:42,490 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:51:31,901 INFO L282 CfgBuilder]: Performing block encoding