./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk --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 76c1e76c188e4e53b19696e0f63f4cc9993d2d71ccec1e1c5c45d086c179ea78 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:25:18,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:25:18,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:25:18,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:25:18,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:25:18,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:25:18,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:25:18,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:25:18,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:25:18,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:25:18,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:25:18,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:25:18,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:25:18,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:25:18,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:25:18,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:25:18,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:25:18,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:25:18,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:25:18,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:25:18,874 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:25:18,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:25:18,875 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:25:18,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:25:18,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:18,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:25:18,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:25:18,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:25:18,877 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:25:18,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:25:18,877 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_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76c1e76c188e4e53b19696e0f63f4cc9993d2d71ccec1e1c5c45d086c179ea78 [2024-11-08 23:25:19,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:25:19,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:25:19,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:25:19,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:25:19,266 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:25:19,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:25:21,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:25:21,764 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:25:21,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c [2024-11-08 23:25:21,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/data/f8710af15/72708148abe04216adbcd83c981dde2b/FLAGc59723942 [2024-11-08 23:25:21,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/data/f8710af15/72708148abe04216adbcd83c981dde2b [2024-11-08 23:25:21,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:25:21,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:25:21,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:21,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:25:21,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:25:21,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:21" (1/1) ... [2024-11-08 23:25:21,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734ed30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:21, skipping insertion in model container [2024-11-08 23:25:21,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:21" (1/1) ... [2024-11-08 23:25:21,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:25:22,172 WARN L250 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_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c[1176,1189] [2024-11-08 23:25:22,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:22,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:25:22,722 WARN L250 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_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c[1176,1189] [2024-11-08 23:25:22,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:22,993 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:25:22,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22 WrapperNode [2024-11-08 23:25:22,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:22,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:23,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:25:23,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:25:23,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:23,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:23,645 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3670 [2024-11-08 23:25:23,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:23,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:25:23,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:25:23,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:25:23,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:23,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:23,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:23,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:24,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:24,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:24,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:24,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:24,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:25:24,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:25:24,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:25:24,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:25:24,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:22" (1/1) ... [2024-11-08 23:25:24,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:24,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:25:24,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:25:24,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:25:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:25:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:25:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:25:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:25:25,082 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:25:25,085 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:25:30,282 INFO L? ?]: Removed 1947 outVars from TransFormulas that were not future-live. [2024-11-08 23:25:30,282 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:25:38,647 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:25:38,648 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:25:38,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:38 BoogieIcfgContainer [2024-11-08 23:25:38,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:25:38,651 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:25:38,651 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:25:38,664 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:25:38,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:38" (1/1) ... [2024-11-08 23:25:38,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:25:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:25:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:25:38,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:38,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:52,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:26:02,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:26:07,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:26:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:26:07,502 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:26:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:26:07,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:07,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:26:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:26:55,644 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:485) 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) [2024-11-08 23:26:55,649 INFO L158 Benchmark]: Toolchain (without parser) took 93839.43ms. Allocated memory was 130.0MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 86.1MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 284.6MB. Max. memory is 16.1GB. [2024-11-08 23:26:55,650 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:26:55,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1182.52ms. Allocated memory was 130.0MB in the beginning and 201.3MB in the end (delta: 71.3MB). Free memory was 86.1MB in the beginning and 147.8MB in the end (delta: -61.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-08 23:26:55,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 650.22ms. Allocated memory is still 201.3MB. Free memory was 147.8MB in the beginning and 101.7MB in the end (delta: 46.1MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2024-11-08 23:26:55,653 INFO L158 Benchmark]: Boogie Preprocessor took 747.83ms. Allocated memory is still 201.3MB. Free memory was 101.7MB in the beginning and 77.9MB in the end (delta: 23.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-08 23:26:55,654 INFO L158 Benchmark]: RCFGBuilder took 14249.81ms. Allocated memory was 201.3MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 77.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 549.5MB. Max. memory is 16.1GB. [2024-11-08 23:26:55,655 INFO L158 Benchmark]: CodeCheck took 76997.48ms. Allocated memory was 1.5GB in the beginning and 2.3GB in the end (delta: 736.1MB). Free memory was 1.2GB in the beginning and 2.0GB in the end (delta: -791.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:26:55,659 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1182.52ms. Allocated memory was 130.0MB in the beginning and 201.3MB in the end (delta: 71.3MB). Free memory was 86.1MB in the beginning and 147.8MB in the end (delta: -61.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 650.22ms. Allocated memory is still 201.3MB. Free memory was 147.8MB in the beginning and 101.7MB in the end (delta: 46.1MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 747.83ms. Allocated memory is still 201.3MB. Free memory was 101.7MB in the beginning and 77.9MB in the end (delta: 23.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * RCFGBuilder took 14249.81ms. Allocated memory was 201.3MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 77.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 549.5MB. Max. memory is 16.1GB. * CodeCheck took 76997.48ms. Allocated memory was 1.5GB in the beginning and 2.3GB in the end (delta: 736.1MB). Free memory was 1.2GB in the beginning and 2.0GB in the end (delta: -791.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:26:55,887 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 23:26:55,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk --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 76c1e76c188e4e53b19696e0f63f4cc9993d2d71ccec1e1c5c45d086c179ea78 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:26:58,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:26:58,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:26:58,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:26:58,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:26:58,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:26:58,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:26:58,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:26:58,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:26:58,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:26:58,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:26:58,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:26:58,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:26:58,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:26:58,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:26:58,674 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:26:58,674 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:26:58,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:26:58,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:26:58,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:26:58,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:26:58,678 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:26:58,678 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:26:58,679 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:58,679 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:26:58,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:26:58,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:26:58,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:26:58,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:26:58,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:26:58,683 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:26:58,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:58,684 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:26:58,685 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_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76c1e76c188e4e53b19696e0f63f4cc9993d2d71ccec1e1c5c45d086c179ea78 [2024-11-08 23:26:59,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:26:59,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:26:59,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:26:59,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:26:59,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:26:59,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:27:01,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:27:01,838 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:27:01,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c [2024-11-08 23:27:01,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/data/21597016a/74a47dd0cdba4f0e87d949ab9c639a71/FLAG09def31fe [2024-11-08 23:27:02,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/data/21597016a/74a47dd0cdba4f0e87d949ab9c639a71 [2024-11-08 23:27:02,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:27:02,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:27:02,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:27:02,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:27:02,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:27:02,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:02,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55995e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02, skipping insertion in model container [2024-11-08 23:27:02,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:02,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:27:02,392 WARN L250 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_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c[1176,1189] [2024-11-08 23:27:02,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:27:02,748 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:27:02,761 WARN L250 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_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c[1176,1189] [2024-11-08 23:27:02,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:27:02,962 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:27:02,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02 WrapperNode [2024-11-08 23:27:02,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:27:02,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:27:02,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:27:02,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:27:02,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,095 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1118 [2024-11-08 23:27:03,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:27:03,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:27:03,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:27:03,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:27:03,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:27:03,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:27:03,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:27:03,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:27:03,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:02" (1/1) ... [2024-11-08 23:27:03,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:27:03,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:27:03,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:27:03,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:27:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:27:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:27:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:27:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:27:03,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:27:03,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:27:06,702 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-08 23:27:06,702 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:27:06,788 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:27:06,788 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:27:06,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:06 BoogieIcfgContainer [2024-11-08 23:27:06,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:27:06,790 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:27:06,791 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:27:06,805 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:27:06,805 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:06" (1/1) ... [2024-11-08 23:27:06,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:27:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:27:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:27:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:27:06,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:06,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:06,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:06,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:06,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:27:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:07,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:07,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:27:07,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:27:07,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:27:09,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:27:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:27:09,721 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:27:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:27:09,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:09,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:09,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:09,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:09,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc14a8f-0c10-45da-9ff3-e9cdf294038f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:27:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:11,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:11,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 23:27:11,681 INFO L278 TraceCheckSpWp]: Computing forward predicates...