./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV --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 6a484727eb616ee76817daaddc4ab03945c8b905e914aab4dd3a2ea0e0164e7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:07,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:07,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-12 00:06:07,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:06:07,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:06:07,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:07,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:06:07,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:06:07,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:07,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:07,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:07,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:06:07,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:06:07,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:07,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:06:07,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:07,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:06:07,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:06:07,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:07,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:07,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:07,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:07,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:07,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:07,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:07,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:06:07,980 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:06:07,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:06:07,981 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:06:07,982 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_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a484727eb616ee76817daaddc4ab03945c8b905e914aab4dd3a2ea0e0164e7f [2023-11-12 00:06:08,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:08,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:08,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:08,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:08,359 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:08,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c [2023-11-12 00:06:11,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:06:12,185 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:06:12,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c [2023-11-12 00:06:12,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/data/0de15b549/27e4242db7e44f66b935319c0c93e3c4/FLAG2d1d7d3e4 [2023-11-12 00:06:12,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/data/0de15b549/27e4242db7e44f66b935319c0c93e3c4 [2023-11-12 00:06:12,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:06:12,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:06:12,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:12,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:06:12,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:06:12,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:12" (1/1) ... [2023-11-12 00:06:12,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d6b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:12, skipping insertion in model container [2023-11-12 00:06:12,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:12" (1/1) ... [2023-11-12 00:06:12,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:06:12,790 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_1afe3e34-d4c9-475a-803e-386cb4b14b2e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c[1173,1186] [2023-11-12 00:06:14,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:14,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:06:14,342 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_1afe3e34-d4c9-475a-803e-386cb4b14b2e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c[1173,1186] [2023-11-12 00:06:15,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:15,302 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:06:15,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15 WrapperNode [2023-11-12 00:06:15,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:15,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:15,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:06:15,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:06:15,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:20,078 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41681 [2023-11-12 00:06:20,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:20,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:06:20,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:06:20,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:06:20,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:20,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:20,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:20,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:22,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:22,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:23,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:23,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:24,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:06:24,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:06:24,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:06:24,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:06:24,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:24,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:24,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:06:24,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:06:24,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afe3e34-d4c9-475a-803e-386cb4b14b2e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:06:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:06:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:06:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:06:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:06:26,035 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:06:26,038 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:06:52,143 INFO L277 CfgBuilder]: Performing block encoding