./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.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_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/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_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/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_36ffcf16-1f54-4b9f-94c1-d7af20846018/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 78c65132cf8567cb0e48833586d6715b235e5b9872da28c578d017ab5b668f03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:29:25,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:29:25,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:29:25,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:29:25,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:29:25,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:29:25,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:29:25,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:29:25,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:29:25,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:29:25,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:29:25,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:29:25,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:29:25,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:29:25,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:29:25,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:29:25,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:29:25,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:29:25,571 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:29:25,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:29:25,572 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:29:25,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:29:25,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:29:25,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:29:25,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:29:25,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:29:25,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:29:25,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:29:25,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:29:25,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:29:25,573 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_36ffcf16-1f54-4b9f-94c1-d7af20846018/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 -> 78c65132cf8567cb0e48833586d6715b235e5b9872da28c578d017ab5b668f03 [2024-12-06 03:29:25,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:29:25,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:29:25,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:29:25,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:29:25,793 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:29:25,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c [2024-12-06 03:29:28,410 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data/dabc2bdae/3f8f11bbd68f48399dc84ae9e6ca6042/FLAG8e06f587e [2024-12-06 03:29:28,767 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:29:28,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c [2024-12-06 03:29:28,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data/dabc2bdae/3f8f11bbd68f48399dc84ae9e6ca6042/FLAG8e06f587e [2024-12-06 03:29:28,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data/dabc2bdae/3f8f11bbd68f48399dc84ae9e6ca6042 [2024-12-06 03:29:28,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:29:28,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:29:28,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:29:28,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:29:28,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:29:28,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:29:28" (1/1) ... [2024-12-06 03:29:28,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a41869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:28, skipping insertion in model container [2024-12-06 03:29:28,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:29:28" (1/1) ... [2024-12-06 03:29:29,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:29:29,238 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_36ffcf16-1f54-4b9f-94c1-d7af20846018/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c[1177,1190] [2024-12-06 03:29:29,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:29:29,681 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:29:29,689 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_36ffcf16-1f54-4b9f-94c1-d7af20846018/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c[1177,1190] [2024-12-06 03:29:30,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:29:30,019 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:29:30,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30 WrapperNode [2024-12-06 03:29:30,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:29:30,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:29:30,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:29:30,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:29:30,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:30,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:31,110 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16560 [2024-12-06 03:29:31,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:29:31,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:29:31,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:29:31,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:29:31,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:31,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:31,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:31,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:31,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:31,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:31,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:31,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:32,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:32,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:29:32,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:29:32,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:29:32,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:29:32,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:30" (1/1) ... [2024-12-06 03:29:32,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:29:32,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:29:32,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:29:32,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:29:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:29:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:29:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:29:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:29:33,012 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:29:33,014 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:29:59,756 INFO L? ?]: Removed 8319 outVars from TransFormulas that were not future-live. [2024-12-06 03:29:59,756 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:30:29,398 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:30:29,398 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:30:29,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:30:29 BoogieIcfgContainer [2024-12-06 03:30:29,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:30:29,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:30:29,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:30:29,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:30:29,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:30:29" (1/1) ... [2024-12-06 03:30:29,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:30:29,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:30:29,458 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:30:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:30:29,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:29,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:30:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:30:43,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:30:53,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:30:58,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:31:06,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:31:16,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:31:16,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:31:16,086 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:31:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:31:16,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:16,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:41:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:41:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:41:21,786 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) [2024-12-06 03:41:21,790 INFO L158 Benchmark]: Toolchain (without parser) took 712797.92ms. Allocated memory was 142.6MB in the beginning and 5.6GB in the end (delta: 5.5GB). Free memory was 110.5MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-12-06 03:41:21,790 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:41:21,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1026.94ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 110.5MB in the beginning and 227.3MB in the end (delta: -116.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2024-12-06 03:41:21,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 1089.73ms. Allocated memory was 327.2MB in the beginning and 922.7MB in the end (delta: 595.6MB). Free memory was 227.3MB in the beginning and 611.2MB in the end (delta: -383.8MB). Peak memory consumption was 241.7MB. Max. memory is 16.1GB. [2024-12-06 03:41:21,792 INFO L158 Benchmark]: Boogie Preprocessor took 1142.93ms. Allocated memory was 922.7MB in the beginning and 813.7MB in the end (delta: -109.1MB). Free memory was 611.2MB in the beginning and 415.6MB in the end (delta: 195.6MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. [2024-12-06 03:41:21,792 INFO L158 Benchmark]: RCFGBuilder took 57143.88ms. Allocated memory was 813.7MB in the beginning and 3.5GB in the end (delta: 2.7GB). Free memory was 415.6MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 03:41:21,793 INFO L158 Benchmark]: CodeCheck took 652389.73ms. Allocated memory was 3.5GB in the beginning and 5.6GB in the end (delta: 2.1GB). Free memory was 2.7GB in the beginning and 3.3GB in the end (delta: -654.6MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 03:41:21,796 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1026.94ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 110.5MB in the beginning and 227.3MB in the end (delta: -116.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1089.73ms. Allocated memory was 327.2MB in the beginning and 922.7MB in the end (delta: 595.6MB). Free memory was 227.3MB in the beginning and 611.2MB in the end (delta: -383.8MB). Peak memory consumption was 241.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1142.93ms. Allocated memory was 922.7MB in the beginning and 813.7MB in the end (delta: -109.1MB). Free memory was 611.2MB in the beginning and 415.6MB in the end (delta: 195.6MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. * RCFGBuilder took 57143.88ms. Allocated memory was 813.7MB in the beginning and 3.5GB in the end (delta: 2.7GB). Free memory was 415.6MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 652389.73ms. Allocated memory was 3.5GB in the beginning and 5.6GB in the end (delta: 2.1GB). Free memory was 2.7GB in the beginning and 3.3GB in the end (delta: -654.6MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:41:22,002 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 03:41:22,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/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_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/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_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/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_36ffcf16-1f54-4b9f-94c1-d7af20846018/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 78c65132cf8567cb0e48833586d6715b235e5b9872da28c578d017ab5b668f03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:41:24,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:41:24,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:41:24,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:41:24,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:41:24,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:41:24,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:41:24,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:41:24,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:41:24,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:41:24,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:41:24,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:41:24,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:41:24,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:41:24,167 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:41:24,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:41:24,167 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:41:24,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:41:24,168 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:41:24,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:41:24,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:41:24,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:41:24,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:41:24,168 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:41:24,168 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:41:24,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:41:24,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:41:24,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:41:24,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:41:24,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:41:24,169 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:41:24,169 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:41:24,169 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:41:24,169 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_36ffcf16-1f54-4b9f-94c1-d7af20846018/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 -> 78c65132cf8567cb0e48833586d6715b235e5b9872da28c578d017ab5b668f03 [2024-12-06 03:41:24,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:41:24,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:41:24,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:41:24,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:41:24,443 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:41:24,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c [2024-12-06 03:41:27,232 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data/35d062fdc/4f5a72efaa8e43758dff01eabbafee49/FLAG2e6a55cdc [2024-12-06 03:41:27,574 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:41:27,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c [2024-12-06 03:41:27,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data/35d062fdc/4f5a72efaa8e43758dff01eabbafee49/FLAG2e6a55cdc [2024-12-06 03:41:27,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/data/35d062fdc/4f5a72efaa8e43758dff01eabbafee49 [2024-12-06 03:41:27,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:41:27,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:41:27,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:41:27,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:41:27,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:41:27,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:41:27" (1/1) ... [2024-12-06 03:41:27,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adeee88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:27, skipping insertion in model container [2024-12-06 03:41:27,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:41:27" (1/1) ... [2024-12-06 03:41:27,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:41:27,891 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_36ffcf16-1f54-4b9f-94c1-d7af20846018/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c[1177,1190] [2024-12-06 03:41:28,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:41:28,299 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:41:28,309 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_36ffcf16-1f54-4b9f-94c1-d7af20846018/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c[1177,1190] [2024-12-06 03:41:28,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:41:28,560 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:41:28,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28 WrapperNode [2024-12-06 03:41:28,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:41:28,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:41:28,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:41:28,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:41:28,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,750 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4016 [2024-12-06 03:41:28,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:41:28,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:41:28,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:41:28,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:41:28,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,875 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:41:28,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:41:28,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:41:28,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:41:28,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:28" (1/1) ... [2024-12-06 03:41:28,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:41:28,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:41:28,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:41:28,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:41:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:41:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:41:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:41:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:41:29,495 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:41:29,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:41:46,040 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 03:41:46,040 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:41:46,165 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:41:46,165 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:41:46,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:41:46 BoogieIcfgContainer [2024-12-06 03:41:46,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:41:46,166 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:41:46,166 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:41:46,175 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:41:46,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:41:46" (1/1) ... [2024-12-06 03:41:46,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:41:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:41:46,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:41:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:41:46,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:41:46,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:41:46,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:41:46,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:41:46,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:41:46,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:41:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:41:47,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:41:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:41:47,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:41:47,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:41:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:41:47,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:41:58,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:42:08,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:42:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:42:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:42:09,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:42:09,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:42:09,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:42:09,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:42:09,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:42:09,287 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:42:09,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ffcf16-1f54-4b9f-94c1-d7af20846018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:42:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:42:14,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:42:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:42:15,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-12-06 03:42:15,635 INFO L279 TraceCheckSpWp]: Computing forward predicates...