./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b --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 b44c5b352e2abcfd78fa3b9821a380b135ffd6e42649690a7f932053f8076bd1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:45:52,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:45:52,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:45:52,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:45:52,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:45:52,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:45:52,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:45:52,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:45:52,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:45:52,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:45:52,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:45:52,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:45:52,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:45:52,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:45:52,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:45:52,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:45:52,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:45:52,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:45:52,904 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:45:52,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:45:52,904 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:45:52,904 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:45:52,904 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:45:52,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:45:52,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:52,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:45:52,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:45:52,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:45:52,904 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:45:52,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:45:52,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b 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 -> b44c5b352e2abcfd78fa3b9821a380b135ffd6e42649690a7f932053f8076bd1 [2024-12-05 23:45:53,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:45:53,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:45:53,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:45:53,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:45:53,125 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:45:53,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c [2024-12-05 23:45:55,713 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data/a5d0f9111/2522e203784144abbd3a3b98bdac0589/FLAG48f8ffc42 [2024-12-05 23:45:56,115 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:45:56,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c [2024-12-05 23:45:56,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data/a5d0f9111/2522e203784144abbd3a3b98bdac0589/FLAG48f8ffc42 [2024-12-05 23:45:56,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data/a5d0f9111/2522e203784144abbd3a3b98bdac0589 [2024-12-05 23:45:56,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:45:56,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:45:56,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:56,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:45:56,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:45:56,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:56" (1/1) ... [2024-12-05 23:45:56,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327b825f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:56, skipping insertion in model container [2024-12-05 23:45:56,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:56" (1/1) ... [2024-12-05 23:45:56,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:45:56,543 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_825d3273-3f80-4cbf-aeee-1626c3ecfc75/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c[1177,1190] [2024-12-05 23:45:56,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:57,001 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:45:57,011 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_825d3273-3f80-4cbf-aeee-1626c3ecfc75/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c[1177,1190] [2024-12-05 23:45:57,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:57,329 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:45:57,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57 WrapperNode [2024-12-05 23:45:57,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:57,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:57,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:45:57,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:45:57,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:57,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:58,294 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12667 [2024-12-05 23:45:58,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:58,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:45:58,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:45:58,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:45:58,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:58,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:58,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:58,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:58,918 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:58,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:59,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:59,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:59,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:59,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:45:59,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:45:59,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:45:59,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:45:59,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:57" (1/1) ... [2024-12-05 23:45:59,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:59,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:45:59,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:45:59,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:45:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:45:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:45:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:45:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:46:00,099 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:46:00,101 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:46:20,491 INFO L? ?]: Removed 7035 outVars from TransFormulas that were not future-live. [2024-12-05 23:46:20,491 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:46:37,265 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:46:37,265 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:46:37,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:46:37 BoogieIcfgContainer [2024-12-05 23:46:37,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:46:37,266 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:46:37,266 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:46:37,273 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:46:37,273 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:46:37" (1/1) ... [2024-12-05 23:46:37,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:46:37,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:37,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:46:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:46:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:46:37,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:37,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:47:10,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:47:20,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:47:22,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:24,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:25,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:35,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:35,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:47:35,907 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:47:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:47:35,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:35,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:31,258 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) [2024-12-05 23:54:31,262 INFO L158 Benchmark]: Toolchain (without parser) took 514969.48ms. Allocated memory was 142.6MB in the beginning and 5.1GB in the end (delta: 5.0GB). Free memory was 112.0MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-12-05 23:54:31,262 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:31,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1037.06ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 111.7MB in the beginning and 255.8MB in the end (delta: -144.1MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB. [2024-12-05 23:54:31,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 964.56ms. Allocated memory was 343.9MB in the beginning and 989.9MB in the end (delta: 645.9MB). Free memory was 255.8MB in the beginning and 714.2MB in the end (delta: -458.4MB). Peak memory consumption was 281.9MB. Max. memory is 16.1GB. [2024-12-05 23:54:31,263 INFO L158 Benchmark]: Boogie Preprocessor took 1117.31ms. Allocated memory was 989.9MB in the beginning and 872.4MB in the end (delta: -117.4MB). Free memory was 714.2MB in the beginning and 516.5MB in the end (delta: 197.7MB). Peak memory consumption was 140.1MB. Max. memory is 16.1GB. [2024-12-05 23:54:31,264 INFO L158 Benchmark]: RCFGBuilder took 37851.58ms. Allocated memory was 872.4MB in the beginning and 3.0GB in the end (delta: 2.2GB). Free memory was 516.5MB in the beginning and 1.5GB in the end (delta: -959.9MB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-12-05 23:54:31,264 INFO L158 Benchmark]: CodeCheck took 473994.96ms. Allocated memory was 3.0GB in the beginning and 5.1GB in the end (delta: 2.1GB). Free memory was 1.5GB in the beginning and 2.5GB in the end (delta: -1.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-05 23:54:31,266 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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1037.06ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 111.7MB in the beginning and 255.8MB in the end (delta: -144.1MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 964.56ms. Allocated memory was 343.9MB in the beginning and 989.9MB in the end (delta: 645.9MB). Free memory was 255.8MB in the beginning and 714.2MB in the end (delta: -458.4MB). Peak memory consumption was 281.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1117.31ms. Allocated memory was 989.9MB in the beginning and 872.4MB in the end (delta: -117.4MB). Free memory was 714.2MB in the beginning and 516.5MB in the end (delta: 197.7MB). Peak memory consumption was 140.1MB. Max. memory is 16.1GB. * RCFGBuilder took 37851.58ms. Allocated memory was 872.4MB in the beginning and 3.0GB in the end (delta: 2.2GB). Free memory was 516.5MB in the beginning and 1.5GB in the end (delta: -959.9MB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * CodeCheck took 473994.96ms. Allocated memory was 3.0GB in the beginning and 5.1GB in the end (delta: 2.1GB). Free memory was 1.5GB in the beginning and 2.5GB in the end (delta: -1.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:54:31,474 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:54:31,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b --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 b44c5b352e2abcfd78fa3b9821a380b135ffd6e42649690a7f932053f8076bd1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:54:33,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:54:33,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:54:33,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:54:33,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:54:33,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:54:33,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:54:33,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:54:33,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:54:33,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:54:33,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:54:33,591 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:54:33,591 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:54:33,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:54:33,591 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:33,591 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:54:33,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:54:33,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:54:33,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:54:33,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:54:33,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:54:33,592 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:54:33,592 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:33,592 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:54:33,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b 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 -> b44c5b352e2abcfd78fa3b9821a380b135ffd6e42649690a7f932053f8076bd1 [2024-12-05 23:54:33,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:54:33,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:54:33,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:54:33,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:54:33,821 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:54:33,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c [2024-12-05 23:54:36,491 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data/9ed440346/6d5fc22ff8ea43a2b3b6c0d7bb72b26c/FLAG40a5a47c1 [2024-12-05 23:54:36,802 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:54:36,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c [2024-12-05 23:54:36,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data/9ed440346/6d5fc22ff8ea43a2b3b6c0d7bb72b26c/FLAG40a5a47c1 [2024-12-05 23:54:37,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/data/9ed440346/6d5fc22ff8ea43a2b3b6c0d7bb72b26c [2024-12-05 23:54:37,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:54:37,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:54:37,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:54:37,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:54:37,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:54:37,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:37,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b46b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37, skipping insertion in model container [2024-12-05 23:54:37,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:37,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:54:37,287 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_825d3273-3f80-4cbf-aeee-1626c3ecfc75/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c[1177,1190] [2024-12-05 23:54:37,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:54:37,627 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:54:37,634 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_825d3273-3f80-4cbf-aeee-1626c3ecfc75/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c[1177,1190] [2024-12-05 23:54:37,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:54:37,871 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:54:37,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37 WrapperNode [2024-12-05 23:54:37,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:54:37,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:54:37,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:54:37,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:54:37,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:37,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,075 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4291 [2024-12-05 23:54:38,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:54:38,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:54:38,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:54:38,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:54:38,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,170 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:54:38,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:54:38,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:54:38,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:54:38,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:37" (1/1) ... [2024-12-05 23:54:38,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:54:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:54:38,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:54:38,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:54:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:54:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:54:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:54:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:54:38,869 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:54:38,871 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:54:51,096 INFO L? ?]: Removed 448 outVars from TransFormulas that were not future-live. [2024-12-05 23:54:51,096 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:54:51,183 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:54:51,183 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:54:51,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:51 BoogieIcfgContainer [2024-12-05 23:54:51,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:54:51,184 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:54:51,184 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:54:51,191 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:54:51,191 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:51" (1/1) ... [2024-12-05 23:54:51,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:54:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:54:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:54:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:54:51,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:51,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:51,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:51,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:51,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:54:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:52,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:52,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:54:52,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:54:52,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:54:54,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:54:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:54:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:54:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:54:55,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:55,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:55,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:55,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:55,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825d3273-3f80-4cbf-aeee-1626c3ecfc75/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:54:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:57,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:58,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-12-05 23:54:58,660 INFO L279 TraceCheckSpWp]: Computing forward predicates...