./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/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 4f3380f445e583df508ab661fa33a5139bc4f62d6349815b4cc355a9ddf2d77b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:27:30,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:27:30,669 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:27:30,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:27:30,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:27:30,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:27:30,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:27:30,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:27:30,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:27:30,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:27:30,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:27:30,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:27:30,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:27:30,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:27:30,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:27:30,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:27:30,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:27:30,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:27:30,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:27:30,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:27:30,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:27:30,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:27:30,742 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:27:30,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:27:30,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:27:30,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:27:30,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:27:30,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:27:30,744 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:27:30,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:27:30,745 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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f3380f445e583df508ab661fa33a5139bc4f62d6349815b4cc355a9ddf2d77b [2024-11-08 23:27:31,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:27:31,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:27:31,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:27:31,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:27:31,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:27:31,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:27:33,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:27:33,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:27:33,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c [2024-11-08 23:27:33,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/data/4f574444b/7c91db0f851f46a58da60f27b74da991/FLAGbc9072bd7 [2024-11-08 23:27:34,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/data/4f574444b/7c91db0f851f46a58da60f27b74da991 [2024-11-08 23:27:34,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:27:34,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:27:34,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:27:34,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:27:34,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:27:34,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:34,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd03c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34, skipping insertion in model container [2024-11-08 23:27:34,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:34,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:27:34,408 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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c[1174,1187] [2024-11-08 23:27:34,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:27:34,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:27:34,697 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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c[1174,1187] [2024-11-08 23:27:34,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:27:34,912 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:27:34,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34 WrapperNode [2024-11-08 23:27:34,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:27:34,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:27:34,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:27:34,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:27:34,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:34,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,209 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1950 [2024-11-08 23:27:35,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:27:35,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:27:35,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:27:35,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:27:35,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:27:35,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:27:35,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:27:35,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:27:35,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:34" (1/1) ... [2024-11-08 23:27:35,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:27:35,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:27:35,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:27:35,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:27:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:27:36,153 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:27:36,156 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:27:39,437 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-11-08 23:27:39,438 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:27:43,777 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:27:43,777 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:27:43,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:43 BoogieIcfgContainer [2024-11-08 23:27:43,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:27:43,779 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:27:43,779 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:27:43,794 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:27:43,794 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:43" (1/1) ... [2024-11-08 23:27:43,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:27:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:43,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:27:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:27:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:27:43,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:43,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:46,143 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 23:27:56,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:28:06,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:28:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:28:07,455 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:28:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:28:07,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:07,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:28:23,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:28:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:28:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:28:43,248 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 23:28:43,253 INFO L158 Benchmark]: Toolchain (without parser) took 69174.61ms. Allocated memory was 169.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 131.2MB in the beginning and 550.6MB in the end (delta: -419.3MB). Peak memory consumption was 779.6MB. Max. memory is 16.1GB. [2024-11-08 23:28:43,253 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:28:43,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.58ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 98.3MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 23:28:43,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 296.06ms. Allocated memory is still 169.9MB. Free memory was 98.3MB in the beginning and 52.9MB in the end (delta: 45.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 23:28:43,256 INFO L158 Benchmark]: Boogie Preprocessor took 422.42ms. Allocated memory is still 169.9MB. Free memory was 52.9MB in the beginning and 106.7MB in the end (delta: -53.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-08 23:28:43,257 INFO L158 Benchmark]: RCFGBuilder took 8143.27ms. Allocated memory was 169.9MB in the beginning and 545.3MB in the end (delta: 375.4MB). Free memory was 106.2MB in the beginning and 322.8MB in the end (delta: -216.7MB). Peak memory consumption was 226.9MB. Max. memory is 16.1GB. [2024-11-08 23:28:43,258 INFO L158 Benchmark]: CodeCheck took 59472.23ms. Allocated memory was 545.3MB in the beginning and 1.4GB in the end (delta: 820.0MB). Free memory was 322.8MB in the beginning and 550.6MB in the end (delta: -227.7MB). Peak memory consumption was 593.7MB. Max. memory is 16.1GB. [2024-11-08 23:28:43,262 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 0.36ms. Allocated memory is still 111.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.58ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 98.3MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 296.06ms. Allocated memory is still 169.9MB. Free memory was 98.3MB in the beginning and 52.9MB in the end (delta: 45.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 422.42ms. Allocated memory is still 169.9MB. Free memory was 52.9MB in the beginning and 106.7MB in the end (delta: -53.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8143.27ms. Allocated memory was 169.9MB in the beginning and 545.3MB in the end (delta: 375.4MB). Free memory was 106.2MB in the beginning and 322.8MB in the end (delta: -216.7MB). Peak memory consumption was 226.9MB. Max. memory is 16.1GB. * CodeCheck took 59472.23ms. Allocated memory was 545.3MB in the beginning and 1.4GB in the end (delta: 820.0MB). Free memory was 322.8MB in the beginning and 550.6MB in the end (delta: -227.7MB). Peak memory consumption was 593.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:28:43,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/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 4f3380f445e583df508ab661fa33a5139bc4f62d6349815b4cc355a9ddf2d77b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:28:46,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:28:46,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:28:46,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:28:46,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:28:46,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:28:46,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:28:46,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:28:46,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:28:46,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:28:46,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:28:46,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:28:46,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:28:46,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:28:46,356 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:28:46,356 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:28:46,356 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:28:46,357 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:28:46,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:28:46,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:28:46,362 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:28:46,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:28:46,363 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:28:46,364 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:46,364 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:28:46,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:28:46,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:28:46,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:28:46,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:28:46,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:28:46,368 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:28:46,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:46,369 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:28:46,369 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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f3380f445e583df508ab661fa33a5139bc4f62d6349815b4cc355a9ddf2d77b [2024-11-08 23:28:46,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:28:46,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:28:46,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:28:46,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:28:46,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:28:46,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:28:49,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:28:49,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:28:49,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c [2024-11-08 23:28:49,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/data/b69e47e7a/13f8b8f0f83c4faa87130ab21074aa2e/FLAGd4b0f6e96 [2024-11-08 23:28:49,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/data/b69e47e7a/13f8b8f0f83c4faa87130ab21074aa2e [2024-11-08 23:28:49,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:28:49,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:28:49,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:49,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:28:49,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:28:49,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:49" (1/1) ... [2024-11-08 23:28:49,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@873f98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:49, skipping insertion in model container [2024-11-08 23:28:49,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:49" (1/1) ... [2024-11-08 23:28:49,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:28:50,060 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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c[1174,1187] [2024-11-08 23:28:50,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:50,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:28:50,375 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_378e3fb1-9130-48fc-a8d0-5594c2bc628b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-back-serstep.c[1174,1187] [2024-11-08 23:28:50,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:50,517 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:28:50,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50 WrapperNode [2024-11-08 23:28:50,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:50,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:50,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:28:50,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:28:50,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,656 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 574 [2024-11-08 23:28:50,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:50,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:28:50,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:28:50,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:28:50,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:28:50,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:28:50,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:28:50,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:28:50,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:50" (1/1) ... [2024-11-08 23:28:50,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:28:50,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:28:50,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:28:50,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:28:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:28:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:28:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:28:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:28:51,159 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:28:51,162 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:28:52,266 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-08 23:28:52,267 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:28:52,331 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:28:52,332 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:28:52,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:52 BoogieIcfgContainer [2024-11-08 23:28:52,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:28:52,333 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:28:52,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:28:52,346 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:28:52,346 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:52" (1/1) ... [2024-11-08 23:28:52,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:28:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:28:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:28:52,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:28:52,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:52,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:52,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:52,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:52,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:28:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:52,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:52,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:28:52,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:53,050 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 23:28:53,055 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:28:53,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:28:53,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:53,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:28:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:28:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:28:53,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:53,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:53,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:53,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:53,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378e3fb1-9130-48fc-a8d0-5594c2bc628b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:28:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:53,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:54,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:28:54,047 INFO L278 TraceCheckSpWp]: Computing forward predicates...