./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.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_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/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_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/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_a26fb55b-c018-4002-931c-09e0dcd120f4/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 f81b33be7d54700fad342cfd31bb977b9c458b62d4b06d9125b9fdbd3a7cd3d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:56:09,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:56:09,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:56:09,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:56:09,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:56:09,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:56:09,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:56:09,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:56:09,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:56:09,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:56:09,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:56:09,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:56:09,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:56:09,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:56:09,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:56:09,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:56:09,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:56:09,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:56:09,566 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:56:09,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:56:09,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:56:09,566 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:56:09,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:56:09,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:56:09,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:56:09,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:56:09,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:56:09,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:56:09,567 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:56:09,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:56:09,567 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_a26fb55b-c018-4002-931c-09e0dcd120f4/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 -> f81b33be7d54700fad342cfd31bb977b9c458b62d4b06d9125b9fdbd3a7cd3d4 [2024-12-06 05:56:09,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:56:09,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:56:09,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:56:09,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:56:09,819 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:56:09,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c [2024-12-06 05:56:12,487 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data/879cc77b1/ce961d6dff7946bb8958c247490f0e46/FLAG47aa1cd9f [2024-12-06 05:56:12,794 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:56:12,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c [2024-12-06 05:56:12,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data/879cc77b1/ce961d6dff7946bb8958c247490f0e46/FLAG47aa1cd9f [2024-12-06 05:56:12,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data/879cc77b1/ce961d6dff7946bb8958c247490f0e46 [2024-12-06 05:56:12,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:56:12,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:56:12,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:56:12,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:56:12,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:56:12,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:12" (1/1) ... [2024-12-06 05:56:12,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df1ea73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:12, skipping insertion in model container [2024-12-06 05:56:12,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:12" (1/1) ... [2024-12-06 05:56:12,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:56:13,030 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_a26fb55b-c018-4002-931c-09e0dcd120f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c[1172,1185] [2024-12-06 05:56:13,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:56:13,426 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:56:13,433 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_a26fb55b-c018-4002-931c-09e0dcd120f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c[1172,1185] [2024-12-06 05:56:13,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:56:13,639 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:56:13,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13 WrapperNode [2024-12-06 05:56:13,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:56:13,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:56:13,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:56:13,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:56:13,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:13,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:14,480 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11625 [2024-12-06 05:56:14,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:56:14,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:56:14,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:56:14,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:56:14,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:14,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:14,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:14,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:15,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:15,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:15,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:15,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:15,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:15,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:56:15,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:56:15,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:56:15,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:56:15,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:13" (1/1) ... [2024-12-06 05:56:15,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:56:15,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:56:15,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:56:15,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:56:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:56:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:56:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:56:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:56:16,257 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:56:16,258 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:56:32,685 INFO L? ?]: Removed 6190 outVars from TransFormulas that were not future-live. [2024-12-06 05:56:32,685 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:56:49,136 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:56:49,136 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:56:49,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:56:49 BoogieIcfgContainer [2024-12-06 05:56:49,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:56:49,137 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:56:49,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:56:49,144 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:56:49,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:56:49" (1/1) ... [2024-12-06 05:56:49,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:56:49,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:56:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:56:49,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:56:49,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:49,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:56:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:59,803 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 05:57:10,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:57:20,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:57:22,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:57:23,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:57:33,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:57:43,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:57:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:57:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:57:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:57:43,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:43,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:02:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:02:43,399 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 06:02:43,402 INFO L158 Benchmark]: Toolchain (without parser) took 390575.02ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 111.8MB in the beginning and 380.3MB in the end (delta: -268.5MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 06:02:43,403 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:02:43,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.31ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.6MB in the beginning and 69.2MB in the end (delta: 42.3MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-12-06 06:02:43,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 839.42ms. Allocated memory was 151.0MB in the beginning and 360.7MB in the end (delta: 209.7MB). Free memory was 69.2MB in the beginning and 132.0MB in the end (delta: -62.8MB). Peak memory consumption was 232.3MB. Max. memory is 16.1GB. [2024-12-06 06:02:43,405 INFO L158 Benchmark]: Boogie Preprocessor took 1152.07ms. Allocated memory was 360.7MB in the beginning and 788.5MB in the end (delta: 427.8MB). Free memory was 132.0MB in the beginning and 505.9MB in the end (delta: -373.9MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2024-12-06 06:02:43,406 INFO L158 Benchmark]: RCFGBuilder took 33503.07ms. Allocated memory was 788.5MB in the beginning and 1.3GB in the end (delta: 553.6MB). Free memory was 505.9MB in the beginning and 563.9MB in the end (delta: -58.0MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 06:02:43,406 INFO L158 Benchmark]: CodeCheck took 354263.84ms. Allocated memory was 1.3GB in the beginning and 2.2GB in the end (delta: 813.7MB). Free memory was 563.9MB in the beginning and 380.3MB in the end (delta: 183.6MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-06 06:02:43,410 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 was 83.4MB in the beginning and 83.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.31ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.6MB in the beginning and 69.2MB in the end (delta: 42.3MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 839.42ms. Allocated memory was 151.0MB in the beginning and 360.7MB in the end (delta: 209.7MB). Free memory was 69.2MB in the beginning and 132.0MB in the end (delta: -62.8MB). Peak memory consumption was 232.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1152.07ms. Allocated memory was 360.7MB in the beginning and 788.5MB in the end (delta: 427.8MB). Free memory was 132.0MB in the beginning and 505.9MB in the end (delta: -373.9MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. * RCFGBuilder took 33503.07ms. Allocated memory was 788.5MB in the beginning and 1.3GB in the end (delta: 553.6MB). Free memory was 505.9MB in the beginning and 563.9MB in the end (delta: -58.0MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 354263.84ms. Allocated memory was 1.3GB in the beginning and 2.2GB in the end (delta: 813.7MB). Free memory was 563.9MB in the beginning and 380.3MB in the end (delta: 183.6MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:02:43,620 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 06:02:43,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/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_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/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_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/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_a26fb55b-c018-4002-931c-09e0dcd120f4/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 f81b33be7d54700fad342cfd31bb977b9c458b62d4b06d9125b9fdbd3a7cd3d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:02:45,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:02:45,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 06:02:45,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:02:45,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:02:45,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:02:45,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:02:45,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:02:45,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:02:45,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:02:45,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:02:45,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:02:45,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:02:45,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:02:45,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:02:45,721 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:02:45,721 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:02:45,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:02:45,721 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:02:45,721 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:02:45,721 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:02:45,721 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:02:45,722 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:02:45,722 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:45,722 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:02:45,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:02:45,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:02:45,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:02:45,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:02:45,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:02:45,723 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:02:45,723 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:45,723 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:02:45,723 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_a26fb55b-c018-4002-931c-09e0dcd120f4/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 -> f81b33be7d54700fad342cfd31bb977b9c458b62d4b06d9125b9fdbd3a7cd3d4 [2024-12-06 06:02:46,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:02:46,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:02:46,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:02:46,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:02:46,010 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:02:46,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c [2024-12-06 06:02:48,675 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data/848d3d081/2e8ae1132c2b4e20b3ee2535e1a17705/FLAGa32fbaea6 [2024-12-06 06:02:48,991 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:02:48,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c [2024-12-06 06:02:49,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data/848d3d081/2e8ae1132c2b4e20b3ee2535e1a17705/FLAGa32fbaea6 [2024-12-06 06:02:49,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/data/848d3d081/2e8ae1132c2b4e20b3ee2535e1a17705 [2024-12-06 06:02:49,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:02:49,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:02:49,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:02:49,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:02:49,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:02:49,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:49,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c945dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49, skipping insertion in model container [2024-12-06 06:02:49,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:49,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:02:49,301 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_a26fb55b-c018-4002-931c-09e0dcd120f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c[1172,1185] [2024-12-06 06:02:49,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:02:49,626 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:02:49,635 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_a26fb55b-c018-4002-931c-09e0dcd120f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c[1172,1185] [2024-12-06 06:02:49,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:02:49,831 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:02:49,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49 WrapperNode [2024-12-06 06:02:49,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:02:49,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:02:49,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:02:49,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:02:49,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:49,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,008 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3317 [2024-12-06 06:02:50,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:02:50,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:02:50,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:02:50,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:02:50,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,081 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:02:50,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:02:50,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:02:50,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:02:50,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:49" (1/1) ... [2024-12-06 06:02:50,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:02:50,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:02:50,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:02:50,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:02:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:02:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:02:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:02:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:02:50,700 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:02:50,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:02:55,749 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 06:02:55,749 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:02:55,856 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:02:55,856 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:02:55,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:55 BoogieIcfgContainer [2024-12-06 06:02:55,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:02:55,857 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:02:55,857 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:02:55,867 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:02:55,867 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:55" (1/1) ... [2024-12-06 06:02:55,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:02:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:02:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:02:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:02:55,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:55,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:55,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:55,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:55,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:02:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:56,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:57,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:02:57,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:57,233 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 06:02:57,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:02:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:58,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 06:02:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 06:02:58,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:02:58,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:58,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:58,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:58,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:58,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26fb55b-c018-4002-931c-09e0dcd120f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:02:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:59,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:00,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-12-06 06:03:00,213 INFO L279 TraceCheckSpWp]: Computing forward predicates...