./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/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_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/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_5556df55-922a-4d0e-ad10-27c7f917f01f/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 d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:29:45,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:29:45,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:29:45,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:29:45,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:29:45,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:29:45,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:29:45,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:29:45,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:29:45,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:29:45,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:29:45,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:29:45,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:29:45,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:29:45,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:29:45,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:29:45,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:29:45,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:29:45,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:29:45,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:29:45,620 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:29:45,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:29:45,621 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:29:45,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:29:45,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:45,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:29:45,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:29:45,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:29:45,623 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:29:45,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:29:45,624 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_5556df55-922a-4d0e-ad10-27c7f917f01f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 [2024-11-09 00:29:45,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:29:45,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:29:45,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:29:45,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:29:45,982 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:29:45,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:29:48,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:29:48,568 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:29:48,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-11-09 00:29:48,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/data/4d280746d/2d1713fe950243378365d3d90852f0ff/FLAG330f6b080 [2024-11-09 00:29:48,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/data/4d280746d/2d1713fe950243378365d3d90852f0ff [2024-11-09 00:29:48,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:29:48,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:29:48,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:48,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:29:48,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:29:48,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:48" (1/1) ... [2024-11-09 00:29:48,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aeecb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:48, skipping insertion in model container [2024-11-09 00:29:48,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:48" (1/1) ... [2024-11-09 00:29:48,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:29:49,154 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_5556df55-922a-4d0e-ad10-27c7f917f01f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-11-09 00:29:49,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:49,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:29:49,402 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_5556df55-922a-4d0e-ad10-27c7f917f01f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-11-09 00:29:49,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:49,578 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:29:49,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49 WrapperNode [2024-11-09 00:29:49,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:49,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:49,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:29:49,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:29:49,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:49,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:49,928 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1950 [2024-11-09 00:29:49,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:49,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:29:49,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:29:49,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:29:49,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:49,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:49,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:49,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:50,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:50,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:50,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:50,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:50,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:29:50,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:29:50,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:29:50,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:29:50,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:49" (1/1) ... [2024-11-09 00:29:50,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:50,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:29:50,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:29:50,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:29:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:29:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:29:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:29:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:29:50,613 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:29:50,616 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:29:53,354 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-11-09 00:29:53,354 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:29:56,981 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:29:56,981 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:29:56,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:56 BoogieIcfgContainer [2024-11-09 00:29:56,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:29:56,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:29:56,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:29:56,995 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:29:56,995 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:56" (1/1) ... [2024-11-09 00:29:57,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:29:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:57,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:29:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:29:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:29:57,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:57,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:08,976 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 [] [2024-11-09 00:30:11,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:30:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-09 00:30:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-09 00:30:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:30:12,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:12,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:22,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:30:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:30:43,903 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) [2024-11-09 00:30:43,907 INFO L158 Benchmark]: Toolchain (without parser) took 55054.94ms. Allocated memory was 153.1MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 110.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 148.5MB. Max. memory is 16.1GB. [2024-11-09 00:30:43,908 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 104.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:43,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.36ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 78.1MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 00:30:43,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 348.20ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 78.1MB in the beginning and 115.6MB in the end (delta: -37.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-09 00:30:43,910 INFO L158 Benchmark]: Boogie Preprocessor took 214.23ms. Allocated memory is still 188.7MB. Free memory was 115.6MB in the beginning and 98.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:30:43,911 INFO L158 Benchmark]: RCFGBuilder took 6838.04ms. Allocated memory was 188.7MB in the beginning and 375.4MB in the end (delta: 186.6MB). Free memory was 98.8MB in the beginning and 257.2MB in the end (delta: -158.4MB). Peak memory consumption was 214.6MB. Max. memory is 16.1GB. [2024-11-09 00:30:43,911 INFO L158 Benchmark]: CodeCheck took 46923.12ms. Allocated memory was 375.4MB in the beginning and 1.3GB in the end (delta: 945.8MB). Free memory was 257.2MB in the beginning and 1.1GB in the end (delta: -874.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-11-09 00:30:43,915 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 0.45ms. Allocated memory is still 104.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.36ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 78.1MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 348.20ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 78.1MB in the beginning and 115.6MB in the end (delta: -37.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 214.23ms. Allocated memory is still 188.7MB. Free memory was 115.6MB in the beginning and 98.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6838.04ms. Allocated memory was 188.7MB in the beginning and 375.4MB in the end (delta: 186.6MB). Free memory was 98.8MB in the beginning and 257.2MB in the end (delta: -158.4MB). Peak memory consumption was 214.6MB. Max. memory is 16.1GB. * CodeCheck took 46923.12ms. Allocated memory was 375.4MB in the beginning and 1.3GB in the end (delta: 945.8MB). Free memory was 257.2MB in the beginning and 1.1GB in the end (delta: -874.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:30:43,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/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_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/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_5556df55-922a-4d0e-ad10-27c7f917f01f/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 d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:46,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:46,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:30:46,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:46,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:46,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:46,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:46,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:46,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:46,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:46,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:46,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:46,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:46,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:46,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:30:46,449 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:30:46,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:46,450 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:30:46,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:46,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:46,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:46,456 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:46,456 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:46,456 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:46,456 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:30:46,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:46,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:46,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:46,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:46,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:46,458 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:30:46,458 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:46,459 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:30:46,459 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_5556df55-922a-4d0e-ad10-27c7f917f01f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 [2024-11-09 00:30:46,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:46,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:46,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:46,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:46,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:46,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:30:48,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:49,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:49,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-11-09 00:30:49,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/data/c517ac5cf/fcd200f54c024ced939a2aacfbb70879/FLAG401c91560 [2024-11-09 00:30:49,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/data/c517ac5cf/fcd200f54c024ced939a2aacfbb70879 [2024-11-09 00:30:49,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:49,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:49,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:49,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:49,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:49,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:49" (1/1) ... [2024-11-09 00:30:49,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216ab82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:49, skipping insertion in model container [2024-11-09 00:30:49,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:49" (1/1) ... [2024-11-09 00:30:49,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:49,790 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_5556df55-922a-4d0e-ad10-27c7f917f01f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-11-09 00:30:49,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:50,002 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:50,023 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_5556df55-922a-4d0e-ad10-27c7f917f01f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-11-09 00:30:50,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:50,144 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:50,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50 WrapperNode [2024-11-09 00:30:50,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:50,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:50,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:50,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:50,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,247 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 574 [2024-11-09 00:30:50,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:50,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:50,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:50,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:50,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:50,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:50,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:50,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:50,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:50" (1/1) ... [2024-11-09 00:30:50,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:50,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:50,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:50,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:30:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:50,671 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:50,674 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:51,568 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-09 00:30:51,568 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:51,627 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:30:51,627 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:30:51,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:51 BoogieIcfgContainer [2024-11-09 00:30:51,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:30:51,629 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:30:51,629 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:30:51,639 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:30:51,639 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:51" (1/1) ... [2024-11-09 00:30:51,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:30:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:30:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:30:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:30:51,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:51,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:51,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:51,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:51,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:30:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:52,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:52,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:30:52,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:52,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:30:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:30:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:30:52,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:30:52,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:52,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:52,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5556df55-922a-4d0e-ad10-27c7f917f01f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:30:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:52,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:53,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 00:30:53,137 INFO L278 TraceCheckSpWp]: Computing forward predicates...