./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.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_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/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_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/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_9802f44c-8786-4389-93d0-2530f1d31076/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 0db8142406349cd7e3d0c8a64aa53f8649335970a56b37f886076c5fe13faabb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:23:51,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:23:51,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 06:23:51,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:23:51,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:23:51,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:23:51,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:23:51,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:23:51,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:23:51,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:23:51,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:23:51,777 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:23:51,777 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:23:51,778 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:23:51,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:23:51,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:23:51,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:23:51,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:23:51,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:23:51,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:23:51,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:23:51,778 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_9802f44c-8786-4389-93d0-2530f1d31076/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 -> 0db8142406349cd7e3d0c8a64aa53f8649335970a56b37f886076c5fe13faabb [2024-12-06 06:23:52,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:23:52,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:23:52,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:23:52,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:23:52,019 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:23:52,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c [2024-12-06 06:23:54,575 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data/1539db34f/ade12cbe6f2b4a9091119ad557c0015a/FLAG4ad4ed2e9 [2024-12-06 06:23:54,872 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:23:54,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c [2024-12-06 06:23:54,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data/1539db34f/ade12cbe6f2b4a9091119ad557c0015a/FLAG4ad4ed2e9 [2024-12-06 06:23:55,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data/1539db34f/ade12cbe6f2b4a9091119ad557c0015a [2024-12-06 06:23:55,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:23:55,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:23:55,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:23:55,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:23:55,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:23:55,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:55,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db1c861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55, skipping insertion in model container [2024-12-06 06:23:55,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:55,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:23:55,363 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_9802f44c-8786-4389-93d0-2530f1d31076/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c[1270,1283] [2024-12-06 06:23:55,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:23:55,644 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:23:55,653 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_9802f44c-8786-4389-93d0-2530f1d31076/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c[1270,1283] [2024-12-06 06:23:55,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:23:55,851 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:23:55,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55 WrapperNode [2024-12-06 06:23:55,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:23:55,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:23:55,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:23:55,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:23:55,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:55,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,356 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5419 [2024-12-06 06:23:56,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:23:56,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:23:56,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:23:56,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:23:56,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,643 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:23:56,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:23:56,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:23:56,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:23:56,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:55" (1/1) ... [2024-12-06 06:23:56,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:23:56,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:23:56,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:23:56,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:23:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:23:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 06:23:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 06:23:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:23:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:23:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:23:57,234 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:23:57,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:24:02,433 INFO L? ?]: Removed 3003 outVars from TransFormulas that were not future-live. [2024-12-06 06:24:02,434 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:24:07,244 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:24:07,244 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:24:07,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:24:07 BoogieIcfgContainer [2024-12-06 06:24:07,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:24:07,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:24:07,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:24:07,251 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:24:07,251 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:24:07" (1/1) ... [2024-12-06 06:24:07,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:24:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:24:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-12-06 06:24:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-12-06 06:24:07,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 06:24:07,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:24:07,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:24:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:24:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-12-06 06:24:26,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:24:37,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:24:47,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:24:57,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:25:00,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:25:10,479 WARN L539 Checker$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 06:25:20,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:25:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2024-12-06 06:25:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2024-12-06 06:25:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 06:25:20,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:20,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:26:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:26:45,203 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:29:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:29:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:29:12,823 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 06:29:12,827 INFO L158 Benchmark]: Toolchain (without parser) took 317668.77ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 113.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 06:29:12,827 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:29:12,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.19ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 78.8MB in the end (delta: 34.5MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2024-12-06 06:29:12,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 504.31ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 78.8MB in the beginning and 179.0MB in the end (delta: -100.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-12-06 06:29:12,829 INFO L158 Benchmark]: Boogie Preprocessor took 483.02ms. Allocated memory is still 318.8MB. Free memory was 179.0MB in the beginning and 165.1MB in the end (delta: 13.9MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2024-12-06 06:29:12,829 INFO L158 Benchmark]: RCFGBuilder took 10404.34ms. Allocated memory was 318.8MB in the beginning and 1.2GB in the end (delta: 872.4MB). Free memory was 165.1MB in the beginning and 446.8MB in the end (delta: -281.7MB). Peak memory consumption was 774.1MB. Max. memory is 16.1GB. [2024-12-06 06:29:12,830 INFO L158 Benchmark]: CodeCheck took 305580.46ms. Allocated memory was 1.2GB in the beginning and 1.6GB in the end (delta: 453.0MB). Free memory was 446.8MB in the beginning and 1.2GB in the end (delta: -788.3MB). Peak memory consumption was 629.3MB. Max. memory is 16.1GB. [2024-12-06 06:29:12,833 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 693.19ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 78.8MB in the end (delta: 34.5MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 504.31ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 78.8MB in the beginning and 179.0MB in the end (delta: -100.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 483.02ms. Allocated memory is still 318.8MB. Free memory was 179.0MB in the beginning and 165.1MB in the end (delta: 13.9MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. * RCFGBuilder took 10404.34ms. Allocated memory was 318.8MB in the beginning and 1.2GB in the end (delta: 872.4MB). Free memory was 165.1MB in the beginning and 446.8MB in the end (delta: -281.7MB). Peak memory consumption was 774.1MB. Max. memory is 16.1GB. * CodeCheck took 305580.46ms. Allocated memory was 1.2GB in the beginning and 1.6GB in the end (delta: 453.0MB). Free memory was 446.8MB in the beginning and 1.2GB in the end (delta: -788.3MB). Peak memory consumption was 629.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:29:12,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 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_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/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_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/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_9802f44c-8786-4389-93d0-2530f1d31076/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 0db8142406349cd7e3d0c8a64aa53f8649335970a56b37f886076c5fe13faabb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:29:14,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:29:14,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 06:29:15,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:29:15,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:29:15,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:29:15,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:29:15,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:29:15,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:29:15,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:29:15,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:29:15,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:29:15,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:29:15,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:29:15,009 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:29:15,009 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:29:15,009 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:29:15,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:29:15,010 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:29:15,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:29:15,010 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:29:15,010 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:29:15,011 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:29:15,011 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:29:15,011 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:29:15,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:29:15,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:29:15,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:29:15,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:29:15,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:29:15,011 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:29:15,011 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:29:15,011 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:29:15,012 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_9802f44c-8786-4389-93d0-2530f1d31076/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 -> 0db8142406349cd7e3d0c8a64aa53f8649335970a56b37f886076c5fe13faabb [2024-12-06 06:29:15,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:29:15,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:29:15,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:29:15,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:29:15,254 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:29:15,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c [2024-12-06 06:29:18,107 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data/bd70b0f15/aec23d04fc6c49e89d1ec5ce33fe203c/FLAGd0614eb52 [2024-12-06 06:29:18,417 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:29:18,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c [2024-12-06 06:29:18,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data/bd70b0f15/aec23d04fc6c49e89d1ec5ce33fe203c/FLAGd0614eb52 [2024-12-06 06:29:18,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/data/bd70b0f15/aec23d04fc6c49e89d1ec5ce33fe203c [2024-12-06 06:29:18,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:29:18,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:29:18,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:29:18,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:29:18,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:29:18,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:29:18" (1/1) ... [2024-12-06 06:29:18,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528f4155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:18, skipping insertion in model container [2024-12-06 06:29:18,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:29:18" (1/1) ... [2024-12-06 06:29:18,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:29:18,680 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_9802f44c-8786-4389-93d0-2530f1d31076/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c[1270,1283] [2024-12-06 06:29:18,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:29:18,967 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:29:18,974 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_9802f44c-8786-4389-93d0-2530f1d31076/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d8_e0.c[1270,1283] [2024-12-06 06:29:19,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:29:19,106 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:29:19,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19 WrapperNode [2024-12-06 06:29:19,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:29:19,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:29:19,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:29:19,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:29:19,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,218 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2163 [2024-12-06 06:29:19,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:29:19,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:29:19,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:29:19,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:29:19,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,315 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:29:19,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:29:19,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:29:19,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:29:19,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:29:19" (1/1) ... [2024-12-06 06:29:19,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:29:19,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:29:19,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:29:19,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:29:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:29:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:29:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 06:29:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 06:29:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:29:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:29:19,799 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:29:19,801 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:29:21,165 INFO L? ?]: Removed 770 outVars from TransFormulas that were not future-live. [2024-12-06 06:29:21,165 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:29:21,252 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:29:21,252 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:29:21,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:29:21 BoogieIcfgContainer [2024-12-06 06:29:21,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:29:21,254 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:29:21,254 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:29:21,262 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:29:21,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:29:21" (1/1) ... [2024-12-06 06:29:21,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:29:21,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:29:21,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-12-06 06:29:21,306 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-12-06 06:29:21,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 06:29:21,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:29:21,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:29:21,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:29:21,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:29:21,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:29:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:29:22,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:29:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:29:22,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 06:29:22,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:29:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 06:29:23,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:29:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:29:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-12-06 06:29:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-12-06 06:29:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 06:29:24,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:29:24,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:29:24,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:29:24,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:29:24,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:29:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:29:26,245 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:29:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:29:26,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 06:29:26,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:29:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 8 proven. 45 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-12-06 06:29:28,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 06:29:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:29:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 116 states and 175 transitions. [2024-12-06 06:29:31,321 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2024-12-06 06:29:31,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-06 06:29:31,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:29:31,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:29:31,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:29:31,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:29:31,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 06:29:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:29:34,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:29:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:29:34,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 2664 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-12-06 06:29:34,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:29:50,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 06:29:50,563 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 06:29:50,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9802f44c-8786-4389-93d0-2530f1d31076/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 06:29:50,594 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) 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 06:29:50,599 INFO L158 Benchmark]: Toolchain (without parser) took 32140.59ms. Allocated memory was 92.3MB in the beginning and 302.0MB in the end (delta: 209.7MB). Free memory was 66.2MB in the beginning and 111.6MB in the end (delta: -45.4MB). Peak memory consumption was 162.2MB. Max. memory is 16.1GB. [2024-12-06 06:29:50,599 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:29:50,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.64ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 54.1MB in the end (delta: 11.8MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-12-06 06:29:50,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.44ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 39.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:29:50,601 INFO L158 Benchmark]: Boogie Preprocessor took 137.24ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 39.1MB in the beginning and 103.9MB in the end (delta: -64.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-12-06 06:29:50,601 INFO L158 Benchmark]: RCFGBuilder took 1895.68ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 103.9MB in the beginning and 93.6MB in the end (delta: 10.3MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2024-12-06 06:29:50,602 INFO L158 Benchmark]: CodeCheck took 29343.73ms. Allocated memory was 209.7MB in the beginning and 302.0MB in the end (delta: 92.3MB). Free memory was 93.6MB in the beginning and 111.6MB in the end (delta: -18.0MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-12-06 06:29:50,605 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.64ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 54.1MB in the end (delta: 11.8MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.44ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 39.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.24ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 39.1MB in the beginning and 103.9MB in the end (delta: -64.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1895.68ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 103.9MB in the beginning and 93.6MB in the end (delta: 10.3MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * CodeCheck took 29343.73ms. Allocated memory was 209.7MB in the beginning and 302.0MB in the end (delta: 92.3MB). Free memory was 93.6MB in the beginning and 111.6MB in the end (delta: -18.0MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants