./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.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_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3 --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 f4703dd1be540b652ba2aa7b95430d962bd28ccbaf230a103fed4b34e166ba6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:19:54,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:19:54,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:19:54,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:19:54,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:19:55,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:19:55,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:19:55,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:19:55,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:19:55,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:19:55,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:19:55,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:19:55,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:19:55,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:19:55,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:19:55,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:19:55,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:19:55,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:19:55,033 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:19:55,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:19:55,033 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:19:55,033 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:19:55,033 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:19:55,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:19:55,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:19:55,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:19:55,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:19:55,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:19:55,034 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:19:55,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:19:55,035 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_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3 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 -> f4703dd1be540b652ba2aa7b95430d962bd28ccbaf230a103fed4b34e166ba6e [2024-11-25 04:19:55,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:19:55,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:19:55,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:19:55,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:19:55,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:19:55,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c [2024-11-25 04:19:58,439 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data/9fbb1543b/6311d2c6e2de4422a2dc49bf5ab43beb/FLAG18d7c004b [2024-11-25 04:19:58,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:19:58,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c [2024-11-25 04:19:58,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data/9fbb1543b/6311d2c6e2de4422a2dc49bf5ab43beb/FLAG18d7c004b [2024-11-25 04:19:58,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data/9fbb1543b/6311d2c6e2de4422a2dc49bf5ab43beb [2024-11-25 04:19:58,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:19:58,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:19:58,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:19:58,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:19:58,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:19:58,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:19:58" (1/1) ... [2024-11-25 04:19:58,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3495e94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:19:58, skipping insertion in model container [2024-11-25 04:19:58,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:19:58" (1/1) ... [2024-11-25 04:19:59,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:19:59,262 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_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c[1176,1189] [2024-11-25 04:19:59,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:19:59,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:19:59,797 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_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c[1176,1189] [2024-11-25 04:20:00,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:20:00,092 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:20:00,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00 WrapperNode [2024-11-25 04:20:00,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:20:00,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:20:00,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:20:00,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:20:00,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:00,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:01,301 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7305 [2024-11-25 04:20:01,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:20:01,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:20:01,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:20:01,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:20:01,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:01,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:01,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:01,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:01,784 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:01,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:01,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:01,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:02,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:02,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:20:02,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:20:02,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:20:02,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:20:02,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:00" (1/1) ... [2024-11-25 04:20:02,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:20:02,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:20:02,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:20:02,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:20:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:20:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:20:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:20:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:20:02,830 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:20:02,833 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:20:14,323 INFO L? ?]: Removed 3868 outVars from TransFormulas that were not future-live. [2024-11-25 04:20:14,323 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:20:27,302 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:20:27,303 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:20:27,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:20:27 BoogieIcfgContainer [2024-11-25 04:20:27,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:20:27,304 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:20:27,304 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:20:27,313 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:20:27,314 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:20:27" (1/1) ... [2024-11-25 04:20:27,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:20:27,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:20:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:20:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:20:27,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:27,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:20:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:20:40,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:20:50,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:20:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:20:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:20:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:20:50,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:50,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:22:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:22:15,716 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:22:15,722 INFO L158 Benchmark]: Toolchain (without parser) took 136765.58ms. Allocated memory was 117.4MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 90.3MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-25 04:22:15,723 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:15,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1136.66ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 90.3MB in the beginning and 55.3MB in the end (delta: 35.0MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2024-11-25 04:22:15,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 1206.67ms. Allocated memory was 125.8MB in the beginning and 377.5MB in the end (delta: 251.7MB). Free memory was 55.3MB in the beginning and 221.8MB in the end (delta: -166.5MB). Peak memory consumption was 244.9MB. Max. memory is 16.1GB. [2024-11-25 04:22:15,724 INFO L158 Benchmark]: Boogie Preprocessor took 874.09ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 755.0MB). Free memory was 221.8MB in the beginning and 928.3MB in the end (delta: -706.4MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-11-25 04:22:15,725 INFO L158 Benchmark]: RCFGBuilder took 25124.73ms. Allocated memory was 1.1GB in the beginning and 2.9GB in the end (delta: 1.8GB). Free memory was 928.3MB in the beginning and 1.1GB in the end (delta: -175.7MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-25 04:22:15,725 INFO L158 Benchmark]: CodeCheck took 108417.44ms. Allocated memory is still 2.9GB. Free memory was 1.1GB in the beginning and 1.3GB in the end (delta: -148.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:15,728 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 1.44ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1136.66ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 90.3MB in the beginning and 55.3MB in the end (delta: 35.0MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1206.67ms. Allocated memory was 125.8MB in the beginning and 377.5MB in the end (delta: 251.7MB). Free memory was 55.3MB in the beginning and 221.8MB in the end (delta: -166.5MB). Peak memory consumption was 244.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 874.09ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 755.0MB). Free memory was 221.8MB in the beginning and 928.3MB in the end (delta: -706.4MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * RCFGBuilder took 25124.73ms. Allocated memory was 1.1GB in the beginning and 2.9GB in the end (delta: 1.8GB). Free memory was 928.3MB in the beginning and 1.1GB in the end (delta: -175.7MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 108417.44ms. Allocated memory is still 2.9GB. Free memory was 1.1GB in the beginning and 1.3GB in the end (delta: -148.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:22:15,940 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 04:22:15,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/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_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3 --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 f4703dd1be540b652ba2aa7b95430d962bd28ccbaf230a103fed4b34e166ba6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:22:18,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:22:18,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:22:19,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:22:19,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:22:19,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:22:19,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:22:19,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:22:19,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:22:19,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:22:19,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:22:19,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:22:19,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:22:19,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:22:19,013 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:22:19,013 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:22:19,014 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:22:19,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:22:19,014 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:22:19,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:22:19,015 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:22:19,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:22:19,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:22:19,015 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:19,015 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:22:19,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:22:19,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:22:19,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:22:19,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:22:19,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:22:19,017 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:22:19,017 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:19,017 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:22:19,017 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_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3 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 -> f4703dd1be540b652ba2aa7b95430d962bd28ccbaf230a103fed4b34e166ba6e [2024-11-25 04:22:19,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:22:19,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:22:19,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:22:19,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:22:19,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:22:19,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c [2024-11-25 04:22:22,276 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data/4280f32da/51eca14e9c104e20be32f35a296c03f8/FLAG3148f638d [2024-11-25 04:22:22,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:22:22,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c [2024-11-25 04:22:22,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data/4280f32da/51eca14e9c104e20be32f35a296c03f8/FLAG3148f638d [2024-11-25 04:22:22,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/data/4280f32da/51eca14e9c104e20be32f35a296c03f8 [2024-11-25 04:22:22,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:22:22,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:22:22,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:22,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:22:22,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:22:22,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:22" (1/1) ... [2024-11-25 04:22:22,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24688f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:22, skipping insertion in model container [2024-11-25 04:22:22,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:22" (1/1) ... [2024-11-25 04:22:22,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:22:23,162 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_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c[1176,1189] [2024-11-25 04:22:23,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:23,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:22:23,641 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_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-func-interl.c[1176,1189] [2024-11-25 04:22:23,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:23,869 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:22:23,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23 WrapperNode [2024-11-25 04:22:23,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:23,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:23,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:22:23,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:22:23,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:23,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,053 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1921 [2024-11-25 04:22:24,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:24,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:22:24,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:22:24,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:22:24,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:22:24,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:22:24,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:22:24,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:22:24,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:23" (1/1) ... [2024-11-25 04:22:24,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:22:24,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:22:24,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:22:24,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:22:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:22:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:22:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:22:24,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:22:24,771 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:22:24,773 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:22:28,774 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-25 04:22:28,774 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:22:28,868 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:22:28,868 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:22:28,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:28 BoogieIcfgContainer [2024-11-25 04:22:28,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:22:28,870 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:22:28,870 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:22:28,880 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:22:28,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:28" (1/1) ... [2024-11-25 04:22:28,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:22:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:22:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:22:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:22:28,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:28,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:28,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:28,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:28,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:22:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:29,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:29,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:29,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:22:30,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:22:31,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:22:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:22:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:22:31,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:22:31,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:31,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:31,850 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:31,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74d8e6-7b2a-4eba-b6fb-f0912261b455/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:22:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:33,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:34,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 04:22:34,313 INFO L279 TraceCheckSpWp]: Computing forward predicates...