./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/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 66d01be94317397e964bf1b315483ff052e0357d2961bd46f74b947a3361a3e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:55:20,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:55:20,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 20:55:20,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:55:20,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:55:20,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:55:20,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:55:20,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:55:20,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:55:20,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:55:20,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:55:20,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:55:20,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:55:20,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:55:20,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:55:20,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:55:20,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:55:20,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:55:20,226 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:55:20,226 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:55:20,227 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:55:20,228 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:55:20,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:55:20,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:55:20,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:55:20,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:55:20,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:55:20,231 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:55:20,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:55:20,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:55:20,232 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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66d01be94317397e964bf1b315483ff052e0357d2961bd46f74b947a3361a3e8 [2023-12-02 20:55:20,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:55:20,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:55:20,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:55:20,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:55:20,512 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:55:20,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c [2023-12-02 20:55:23,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:55:23,683 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:55:23,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c [2023-12-02 20:55:23,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/data/d1d08cc5c/85c8dee7a85942f381f5dec8d145c0df/FLAG3d8dcfc33 [2023-12-02 20:55:23,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/data/d1d08cc5c/85c8dee7a85942f381f5dec8d145c0df [2023-12-02 20:55:23,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:55:23,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:55:23,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:55:23,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:55:23,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:55:23,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:23" (1/1) ... [2023-12-02 20:55:23,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30baf04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:23, skipping insertion in model container [2023-12-02 20:55:23,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:23" (1/1) ... [2023-12-02 20:55:23,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:55:24,255 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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c[1179,1192] [2023-12-02 20:55:25,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:55:25,396 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:55:25,404 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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c[1179,1192] [2023-12-02 20:55:26,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:55:26,237 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:55:26,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26 WrapperNode [2023-12-02 20:55:26,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:55:26,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:55:26,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:55:26,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:55:26,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:26,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:29,499 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48910 [2023-12-02 20:55:29,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:55:29,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:55:29,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:55:29,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:55:29,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:29,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:30,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:30,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:30,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:31,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:31,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:31,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:32,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:55:32,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:55:32,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:55:32,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:55:32,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:26" (1/1) ... [2023-12-02 20:55:32,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:55:32,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:55:32,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:55:32,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:55:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:55:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:55:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:55:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:55:34,293 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:55:34,295 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:55:55,737 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:57:53,919 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:57:53,919 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:57:53,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:57:53 BoogieIcfgContainer [2023-12-02 20:57:53,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:57:53,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:57:53,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:57:53,929 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:57:53,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:57:53" (1/1) ... [2023-12-02 20:57:53,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:57:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:57:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 20:57:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 20:57:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 20:57:53,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:57:53,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:57:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:15,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 20:58:25,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 20:58:26,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:58:27,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:27,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 20:58:27,716 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 20:58:27,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:58:27,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:27,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 20:58:45,175 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:58:45,180 INFO L158 Benchmark]: Toolchain (without parser) took 201448.93ms. Allocated memory was 155.2MB in the beginning and 14.0GB in the end (delta: 13.9GB). Free memory was 86.6MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2023-12-02 20:58:45,181 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:58:45,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2506.49ms. Allocated memory was 155.2MB in the beginning and 400.6MB in the end (delta: 245.4MB). Free memory was 86.4MB in the beginning and 148.2MB in the end (delta: -61.8MB). Peak memory consumption was 232.5MB. Max. memory is 16.1GB. [2023-12-02 20:58:45,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 3260.65ms. Allocated memory was 400.6MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 148.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 630.2MB. Max. memory is 16.1GB. [2023-12-02 20:58:45,184 INFO L158 Benchmark]: Boogie Preprocessor took 2654.08ms. Allocated memory was 2.2GB in the beginning and 6.7GB in the end (delta: 4.4GB). Free memory was 1.4GB in the beginning and 5.5GB in the end (delta: -4.1GB). Peak memory consumption was 321.9MB. Max. memory is 16.1GB. [2023-12-02 20:58:45,185 INFO L158 Benchmark]: RCFGBuilder took 141765.46ms. Allocated memory was 6.7GB in the beginning and 13.8GB in the end (delta: 7.1GB). Free memory was 5.5GB in the beginning and 10.4GB in the end (delta: -4.9GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. [2023-12-02 20:58:45,186 INFO L158 Benchmark]: CodeCheck took 51257.07ms. Allocated memory was 13.8GB in the beginning and 14.0GB in the end (delta: 287.3MB). Free memory was 10.4GB in the beginning and 10.6GB in the end (delta: -199.8MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2023-12-02 20:58:45,190 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 155.2MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2506.49ms. Allocated memory was 155.2MB in the beginning and 400.6MB in the end (delta: 245.4MB). Free memory was 86.4MB in the beginning and 148.2MB in the end (delta: -61.8MB). Peak memory consumption was 232.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3260.65ms. Allocated memory was 400.6MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 148.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 630.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2654.08ms. Allocated memory was 2.2GB in the beginning and 6.7GB in the end (delta: 4.4GB). Free memory was 1.4GB in the beginning and 5.5GB in the end (delta: -4.1GB). Peak memory consumption was 321.9MB. Max. memory is 16.1GB. * RCFGBuilder took 141765.46ms. Allocated memory was 6.7GB in the beginning and 13.8GB in the end (delta: 7.1GB). Free memory was 5.5GB in the beginning and 10.4GB in the end (delta: -4.9GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. * CodeCheck took 51257.07ms. Allocated memory was 13.8GB in the beginning and 14.0GB in the end (delta: 287.3MB). Free memory was 10.4GB in the beginning and 10.6GB in the end (delta: -199.8MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 20:58:45,404 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 20:58:45,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/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 66d01be94317397e964bf1b315483ff052e0357d2961bd46f74b947a3361a3e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:58:47,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:58:47,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 20:58:47,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:58:47,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:58:47,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:58:47,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:58:47,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:58:47,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:58:47,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:58:47,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:58:47,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:58:47,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:58:47,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:58:47,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:58:47,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:58:47,900 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:58:47,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:58:47,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:58:47,901 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:58:47,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:58:47,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:58:47,903 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:47,904 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:58:47,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:58:47,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:47,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:58:47,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:58:47,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:58:47,906 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:58:47,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:47,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:58:47,908 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:58:47,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:58:47,908 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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66d01be94317397e964bf1b315483ff052e0357d2961bd46f74b947a3361a3e8 [2023-12-02 20:58:48,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:58:48,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:58:48,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:58:48,225 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:58:48,225 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:58:48,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c [2023-12-02 20:58:50,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:58:51,465 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:58:51,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c [2023-12-02 20:58:51,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/data/bf378ffff/a91828e96e374707943813cc18a78056/FLAG4f8cea1ba [2023-12-02 20:58:51,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/data/bf378ffff/a91828e96e374707943813cc18a78056 [2023-12-02 20:58:51,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:58:51,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:58:51,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:51,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:58:51,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:58:51,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:51" (1/1) ... [2023-12-02 20:58:51,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ad4095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:51, skipping insertion in model container [2023-12-02 20:58:51,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:51" (1/1) ... [2023-12-02 20:58:51,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:58:51,943 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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c[1179,1192] [2023-12-02 20:58:52,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:52,936 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:58:52,954 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_b7310b15-d74d-4423-b6a4-4a6d99ad4805/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.2.prop5-func-interl.c[1179,1192] [2023-12-02 20:58:53,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:53,653 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:58:53,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53 WrapperNode [2023-12-02 20:58:53,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:53,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:53,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:58:53,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:58:53,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:53,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,219 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13430 [2023-12-02 20:58:54,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:54,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:58:54,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:58:54,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:58:54,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:58:54,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:58:54,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:58:54,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:58:54,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:53" (1/1) ... [2023-12-02 20:58:54,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:54,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:58:54,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:58:54,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:58:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:58:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:58:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:58:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:58:56,451 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:58:56,454 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:00:13,352 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:00:13,770 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:00:13,770 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:00:13,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:00:13 BoogieIcfgContainer [2023-12-02 21:00:13,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:00:13,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:00:13,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:00:13,780 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:00:13,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:00:13" (1/1) ... [2023-12-02 21:00:13,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:00:13,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:00:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:00:13,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:00:13,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:13,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:00:13,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:00:13,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:00:13,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:00:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:16,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:00:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:17,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:00:17,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:00:17,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:00:28,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.55s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:00:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:00:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:00:28,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:00:28,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:28,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:00:28,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:00:28,857 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:00:28,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:00:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:37,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:00:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:41,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 11298 conjuncts, 287 conjunts are in the unsatisfiable core [2023-12-02 21:00:41,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:31,565 WARN L293 SmtUtils]: Spent 24.56s on a formula simplification. DAG size of input: 1569 DAG size of output: 891 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:01:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:01:32,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:01:43,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:01:52,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:02:05,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:02:06,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:02:08,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:02:18,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:02:19,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:02:33,886 WARN L293 SmtUtils]: Spent 10.13s on a formula simplification. DAG size of input: 893 DAG size of output: 586 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:03:01,535 WARN L293 SmtUtils]: Spent 8.82s on a formula simplification that was a NOOP. DAG size: 892 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:03:21,742 WARN L293 SmtUtils]: Spent 14.04s on a formula simplification. DAG size of input: 895 DAG size of output: 589 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:03:46,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.95s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:04:12,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:04:13,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:04:15,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:04:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-02 21:04:16,772 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-02 21:04:16,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:04:16,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:16,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:16,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:16,775 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:16,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7310b15-d74d-4423-b6a4-4a6d99ad4805/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:04:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:33,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:40,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 22131 conjuncts, 691 conjunts are in the unsatisfiable core [2023-12-02 21:04:40,241 INFO L285 TraceCheckSpWp]: Computing forward predicates...