./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.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_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/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_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/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_b002d358-3947-40a8-96df-2b0e6eabaaf7/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 bcaa7b47ce0a171e0df3032471f51938e7104cb4dbea06df6e92229ad5905781 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:49:53,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:49:53,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:49:53,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:49:53,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:49:53,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:49:53,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:49:53,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:49:53,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:49:53,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:49:53,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:49:53,147 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:49:53,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:49:53,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:49:53,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:49:53,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:49:53,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:49:53,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:49:53,148 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:49:53,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:49:53,148 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_b002d358-3947-40a8-96df-2b0e6eabaaf7/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 -> bcaa7b47ce0a171e0df3032471f51938e7104cb4dbea06df6e92229ad5905781 [2024-12-06 00:49:53,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:49:53,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:49:53,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:49:53,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:49:53,398 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:49:53,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c [2024-12-06 00:49:56,062 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data/84444c68b/6f7ccd0415764d759cc21fafe77c1c15/FLAGed7a9f1ea [2024-12-06 00:49:56,339 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:49:56,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c [2024-12-06 00:49:56,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data/84444c68b/6f7ccd0415764d759cc21fafe77c1c15/FLAGed7a9f1ea [2024-12-06 00:49:56,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data/84444c68b/6f7ccd0415764d759cc21fafe77c1c15 [2024-12-06 00:49:56,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:49:56,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:49:56,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:49:56,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:49:56,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:49:56,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:56,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b40d5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56, skipping insertion in model container [2024-12-06 00:49:56,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:56,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:49:56,546 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_b002d358-3947-40a8-96df-2b0e6eabaaf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c[1175,1188] [2024-12-06 00:49:56,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:49:56,819 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:49:56,826 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_b002d358-3947-40a8-96df-2b0e6eabaaf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c[1175,1188] [2024-12-06 00:49:56,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:49:56,986 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:49:56,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56 WrapperNode [2024-12-06 00:49:56,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:49:56,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:49:56,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:49:56,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:49:56,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,471 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5288 [2024-12-06 00:49:57,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:49:57,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:49:57,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:49:57,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:49:57,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,705 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:49:57,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:49:57,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:49:57,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:49:57,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:57,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:49:57,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:49:57,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:49:57,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:49:57,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:49:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:49:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:49:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:49:58,277 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:49:58,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:50:04,185 INFO L? ?]: Removed 2911 outVars from TransFormulas that were not future-live. [2024-12-06 00:50:04,185 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:50:10,507 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:50:10,507 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:50:10,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:10 BoogieIcfgContainer [2024-12-06 00:50:10,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:50:10,508 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:50:10,508 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:50:10,516 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:50:10,516 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:10" (1/1) ... [2024-12-06 00:50:10,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:50:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:50:10,557 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:50:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:50:10,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:10,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:14,987 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 00:50:25,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:50:35,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:50:37,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:50:38,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:50:40,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:50:46,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:50:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:46,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:50:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:50:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:50:46,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:46,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:51:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:51:39,324 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 00:51:39,327 INFO L158 Benchmark]: Toolchain (without parser) took 102958.43ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 114.7MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 600.4MB. Max. memory is 16.1GB. [2024-12-06 00:51:39,327 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:51:39,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.31ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 91.7MB in the end (delta: 22.8MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2024-12-06 00:51:39,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 483.75ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 91.7MB in the beginning and 135.8MB in the end (delta: -44.1MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB. [2024-12-06 00:51:39,328 INFO L158 Benchmark]: Boogie Preprocessor took 440.33ms. Allocated memory is still 285.2MB. Free memory was 135.8MB in the beginning and 123.5MB in the end (delta: 12.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-12-06 00:51:39,329 INFO L158 Benchmark]: RCFGBuilder took 12594.96ms. Allocated memory was 285.2MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 123.5MB in the beginning and 557.9MB in the end (delta: -434.4MB). Peak memory consumption was 913.7MB. Max. memory is 16.1GB. [2024-12-06 00:51:39,329 INFO L158 Benchmark]: CodeCheck took 88818.08ms. Allocated memory was 1.6GB in the beginning and 2.7GB in the end (delta: 1.1GB). Free memory was 557.9MB in the beginning and 2.1GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:51:39,330 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.31ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 91.7MB in the end (delta: 22.8MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 483.75ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 91.7MB in the beginning and 135.8MB in the end (delta: -44.1MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 440.33ms. Allocated memory is still 285.2MB. Free memory was 135.8MB in the beginning and 123.5MB in the end (delta: 12.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * RCFGBuilder took 12594.96ms. Allocated memory was 285.2MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 123.5MB in the beginning and 557.9MB in the end (delta: -434.4MB). Peak memory consumption was 913.7MB. Max. memory is 16.1GB. * CodeCheck took 88818.08ms. Allocated memory was 1.6GB in the beginning and 2.7GB in the end (delta: 1.1GB). Free memory was 557.9MB in the beginning and 2.1GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:51:39,536 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:51:39,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/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_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/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_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/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_b002d358-3947-40a8-96df-2b0e6eabaaf7/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 bcaa7b47ce0a171e0df3032471f51938e7104cb4dbea06df6e92229ad5905781 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:51:41,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:51:41,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:51:41,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:51:41,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:51:41,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:51:41,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:51:41,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:51:41,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:51:41,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:51:41,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:51:41,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:51:41,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:51:41,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:51:41,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:51:41,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:51:41,502 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:51:41,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:51:41,503 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:51:41,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:51:41,503 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:51:41,503 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:51:41,503 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:51:41,503 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:41,503 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:51:41,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:51:41,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:51:41,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:51:41,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:51:41,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:51:41,504 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:51:41,504 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:41,504 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:51:41,504 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_b002d358-3947-40a8-96df-2b0e6eabaaf7/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 -> bcaa7b47ce0a171e0df3032471f51938e7104cb4dbea06df6e92229ad5905781 [2024-12-06 00:51:41,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:51:41,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:51:41,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:51:41,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:51:41,748 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:51:41,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c [2024-12-06 00:51:44,427 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data/d64fb6e89/15f7abc6a4f84eb2b120403b0da7ee54/FLAG723b12b50 [2024-12-06 00:51:44,687 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:51:44,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c [2024-12-06 00:51:44,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data/d64fb6e89/15f7abc6a4f84eb2b120403b0da7ee54/FLAG723b12b50 [2024-12-06 00:51:44,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/data/d64fb6e89/15f7abc6a4f84eb2b120403b0da7ee54 [2024-12-06 00:51:44,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:51:44,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:51:44,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:51:44,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:51:44,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:51:44,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:51:44" (1/1) ... [2024-12-06 00:51:44,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b58c3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:44, skipping insertion in model container [2024-12-06 00:51:44,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:51:44" (1/1) ... [2024-12-06 00:51:45,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:51:45,163 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_b002d358-3947-40a8-96df-2b0e6eabaaf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c[1175,1188] [2024-12-06 00:51:45,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:51:45,397 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:51:45,404 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_b002d358-3947-40a8-96df-2b0e6eabaaf7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c[1175,1188] [2024-12-06 00:51:45,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:51:45,518 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:51:45,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45 WrapperNode [2024-12-06 00:51:45,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:51:45,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:51:45,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:51:45,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:51:45,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,609 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2024-12-06 00:51:45,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:51:45,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:51:45,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:51:45,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:51:45,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:51:45,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:51:45,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:51:45,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:51:45,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:45" (1/1) ... [2024-12-06 00:51:45,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:51:45,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:51:45,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:51:45,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:51:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:51:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:51:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:51:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:51:46,040 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:51:46,041 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:51:47,776 INFO L? ?]: Removed 165 outVars from TransFormulas that were not future-live. [2024-12-06 00:51:47,776 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:51:47,835 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:51:47,835 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:51:47,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:51:47 BoogieIcfgContainer [2024-12-06 00:51:47,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:51:47,836 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:51:47,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:51:47,847 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:51:47,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:51:47" (1/1) ... [2024-12-06 00:51:47,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:51:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:51:47,900 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:51:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:51:47,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:47,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:47,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:51:47,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:51:47,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:51:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:48,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:51:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:48,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:51:48,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:51:48,664 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 00:51:48,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:51:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:51:48,812 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:51:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:51:48,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:48,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:48,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:51:48,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:51:48,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b002d358-3947-40a8-96df-2b0e6eabaaf7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:51:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:49,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:51:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:49,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 00:51:49,956 INFO L279 TraceCheckSpWp]: Computing forward predicates...