./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/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 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:25:29,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:25:29,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:25:29,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:25:29,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:25:29,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:25:29,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:25:29,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:25:29,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:25:29,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:25:29,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:25:29,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:25:29,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:25:29,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:25:29,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:25:29,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:25:29,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:25:29,349 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:25:29,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:25:29,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:25:29,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:25:29,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:25:29,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:25:29,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:25:29,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:29,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:25:29,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:25:29,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:25:29,354 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:25:29,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:25:29,355 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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535 [2024-11-08 23:25:29,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:25:29,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:25:29,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:25:29,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:25:29,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:25:29,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:25:31,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:25:32,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:25:32,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c [2024-11-08 23:25:32,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/data/61d306e11/565109d029db431fa417ec8ec5ef2a48/FLAG80d04475e [2024-11-08 23:25:32,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/data/61d306e11/565109d029db431fa417ec8ec5ef2a48 [2024-11-08 23:25:32,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:25:32,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:25:32,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:32,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:25:32,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:25:32,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:32" (1/1) ... [2024-11-08 23:25:32,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef644e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:32, skipping insertion in model container [2024-11-08 23:25:32,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:32" (1/1) ... [2024-11-08 23:25:32,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:25:32,743 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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189] [2024-11-08 23:25:33,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:33,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:25:33,385 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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189] [2024-11-08 23:25:33,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:33,629 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:25:33,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33 WrapperNode [2024-11-08 23:25:33,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:33,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:33,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:25:33,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:25:33,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:33,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:34,788 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7336 [2024-11-08 23:25:34,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:34,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:25:34,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:25:34,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:25:34,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:34,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:35,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:35,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:35,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:35,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:35,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:35,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:35,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:25:35,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:25:35,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:25:35,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:25:35,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:33" (1/1) ... [2024-11-08 23:25:36,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:36,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:25:36,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:25:36,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:25:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:25:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:25:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:25:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:25:36,692 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:25:36,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:25:48,371 INFO L? ?]: Removed 3993 outVars from TransFormulas that were not future-live. [2024-11-08 23:25:48,372 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:26:03,046 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:26:03,047 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:26:03,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:26:03 BoogieIcfgContainer [2024-11-08 23:26:03,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:26:03,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:26:03,049 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:26:03,060 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:26:03,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:26:03" (1/1) ... [2024-11-08 23:26:03,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:26:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:26:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:26:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:26:03,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:03,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:07,546 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 23:26:17,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:26:27,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:26:30,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:26:40,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:26:41,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:26:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:26:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:26:41,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:41,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:28:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:28:57,492 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 23:28:57,495 INFO L158 Benchmark]: Toolchain (without parser) took 205176.21ms. Allocated memory was 155.2MB in the beginning and 5.8GB in the end (delta: 5.7GB). Free memory was 111.5MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-08 23:28:57,496 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 155.2MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:28:57,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.68ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 61.8MB in the end (delta: 49.4MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-11-08 23:28:57,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 1157.85ms. Allocated memory was 155.2MB in the beginning and 262.1MB in the end (delta: 107.0MB). Free memory was 61.8MB in the beginning and 96.3MB in the end (delta: -34.6MB). Peak memory consumption was 118.0MB. Max. memory is 16.1GB. [2024-11-08 23:28:57,498 INFO L158 Benchmark]: Boogie Preprocessor took 1207.20ms. Allocated memory was 262.1MB in the beginning and 511.7MB in the end (delta: 249.6MB). Free memory was 96.3MB in the beginning and 289.7MB in the end (delta: -193.4MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-08 23:28:57,499 INFO L158 Benchmark]: RCFGBuilder took 27050.38ms. Allocated memory was 511.7MB in the beginning and 3.2GB in the end (delta: 2.7GB). Free memory was 289.7MB in the beginning and 2.7GB in the end (delta: -2.4GB). Peak memory consumption was 969.8MB. Max. memory is 16.1GB. [2024-11-08 23:28:57,500 INFO L158 Benchmark]: CodeCheck took 174445.90ms. Allocated memory was 3.2GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.7GB in the beginning and 4.3GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-08 23:28:57,503 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 0.41ms. Allocated memory is still 155.2MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.68ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 61.8MB in the end (delta: 49.4MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1157.85ms. Allocated memory was 155.2MB in the beginning and 262.1MB in the end (delta: 107.0MB). Free memory was 61.8MB in the beginning and 96.3MB in the end (delta: -34.6MB). Peak memory consumption was 118.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1207.20ms. Allocated memory was 262.1MB in the beginning and 511.7MB in the end (delta: 249.6MB). Free memory was 96.3MB in the beginning and 289.7MB in the end (delta: -193.4MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * RCFGBuilder took 27050.38ms. Allocated memory was 511.7MB in the beginning and 3.2GB in the end (delta: 2.7GB). Free memory was 289.7MB in the beginning and 2.7GB in the end (delta: -2.4GB). Peak memory consumption was 969.8MB. Max. memory is 16.1GB. * CodeCheck took 174445.90ms. Allocated memory was 3.2GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.7GB in the beginning and 4.3GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:28:57,719 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 23:28:57,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/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 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:29:00,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:29:00,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:29:00,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:29:00,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:29:00,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:29:00,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:29:00,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:29:00,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:29:00,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:29:00,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:29:00,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:29:00,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:29:00,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:29:00,388 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:29:00,388 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:29:00,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:29:00,389 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:29:00,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:29:00,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:29:00,393 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:29:00,394 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:29:00,394 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:29:00,395 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:00,395 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:29:00,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:29:00,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:00,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:29:00,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:29:00,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:29:00,399 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:29:00,400 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:00,400 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:29:00,400 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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535 [2024-11-08 23:29:00,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:29:00,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:29:00,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:29:00,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:29:00,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:29:00,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:29:02,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:29:03,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:29:03,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c [2024-11-08 23:29:03,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/data/5ad34a753/f425a694fb8c43cb9ffa5fb092ffe253/FLAG88b45da25 [2024-11-08 23:29:03,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/data/5ad34a753/f425a694fb8c43cb9ffa5fb092ffe253 [2024-11-08 23:29:03,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:29:03,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:29:03,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:03,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:29:03,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:29:03,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:03" (1/1) ... [2024-11-08 23:29:03,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b469b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:03, skipping insertion in model container [2024-11-08 23:29:03,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:03" (1/1) ... [2024-11-08 23:29:03,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:29:03,844 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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189] [2024-11-08 23:29:04,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:04,329 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:29:04,363 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_a3cf594e-0120-4935-a7dc-e1c2188d65eb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189] [2024-11-08 23:29:04,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:04,593 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:29:04,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04 WrapperNode [2024-11-08 23:29:04,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:04,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:04,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:29:04,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:29:04,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,801 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2304 [2024-11-08 23:29:04,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:04,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:29:04,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:29:04,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:29:04,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:29:04,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:29:04,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:29:04,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:29:04,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:04" (1/1) ... [2024-11-08 23:29:04,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:04,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:29:04,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:29:04,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:29:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:29:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:29:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:29:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:29:05,469 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:29:05,471 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:29:12,616 INFO L? ?]: Removed 210 outVars from TransFormulas that were not future-live. [2024-11-08 23:29:12,617 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:29:12,765 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:29:12,765 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:29:12,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:12 BoogieIcfgContainer [2024-11-08 23:29:12,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:29:12,767 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:29:12,767 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:29:12,778 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:29:12,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:12" (1/1) ... [2024-11-08 23:29:12,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:29:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:29:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:29:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:29:12,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:12,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:12,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:12,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:12,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:29:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:13,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:14,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:29:14,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:14,197 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 23:29:14,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:29:16,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:29:16,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:16,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:29:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:29:16,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:29:16,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:16,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:16,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:16,842 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:16,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cf594e-0120-4935-a7dc-e1c2188d65eb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:29:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:19,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:19,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-08 23:29:19,664 INFO L278 TraceCheckSpWp]: Computing forward predicates...