./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p06.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_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/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_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/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_efb0983c-5c23-43b9-97e2-e5b3751602ff/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 3a10e323530dd468ac9890be0bde9c03597b2532bfc479ced0ba7cd3c96166ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:12:41,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:12:41,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:12:41,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:12:41,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:12:41,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:12:41,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:12:41,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:12:41,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:12:41,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:12:41,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:12:41,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:12:41,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:12:41,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:12:41,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:12:41,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:12:41,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:12:41,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:12:41,796 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:12:41,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:12:41,796 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:12:41,796 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:12:41,796 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:12:41,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:12:41,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:12:41,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:12:41,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:12:41,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:12:41,796 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:12:41,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:12:41,797 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_efb0983c-5c23-43b9-97e2-e5b3751602ff/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 -> 3a10e323530dd468ac9890be0bde9c03597b2532bfc479ced0ba7cd3c96166ef [2024-12-06 01:12:42,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:12:42,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:12:42,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:12:42,021 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:12:42,021 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:12:42,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p06.c [2024-12-06 01:12:44,695 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/data/5593717b9/74e1ea9da6444bc9980e10d73fb5f010/FLAG6583b28c9 [2024-12-06 01:12:44,897 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:12:44,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p06.c [2024-12-06 01:12:44,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/data/5593717b9/74e1ea9da6444bc9980e10d73fb5f010/FLAG6583b28c9 [2024-12-06 01:12:44,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/data/5593717b9/74e1ea9da6444bc9980e10d73fb5f010 [2024-12-06 01:12:44,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:12:44,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:12:44,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:12:44,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:12:44,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:12:44,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:12:44" (1/1) ... [2024-12-06 01:12:44,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16fa35a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:44, skipping insertion in model container [2024-12-06 01:12:44,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:12:44" (1/1) ... [2024-12-06 01:12:44,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:12:45,083 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_efb0983c-5c23-43b9-97e2-e5b3751602ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p06.c[1266,1279] [2024-12-06 01:12:45,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:12:45,191 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:12:45,200 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_efb0983c-5c23-43b9-97e2-e5b3751602ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p06.c[1266,1279] [2024-12-06 01:12:45,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:12:45,263 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:12:45,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45 WrapperNode [2024-12-06 01:12:45,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:12:45,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:12:45,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:12:45,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:12:45,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,352 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 747 [2024-12-06 01:12:45,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:12:45,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:12:45,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:12:45,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:12:45,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,393 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:12:45,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:12:45,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:12:45,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:12:45,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:45" (1/1) ... [2024-12-06 01:12:45,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:12:45,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:12:45,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:12:45,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:12:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:12:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:12:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:12:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:12:45,617 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:12:45,618 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:12:46,364 INFO L? ?]: Removed 395 outVars from TransFormulas that were not future-live. [2024-12-06 01:12:46,364 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:12:47,082 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:12:47,082 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:12:47,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:12:47 BoogieIcfgContainer [2024-12-06 01:12:47,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:12:47,083 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:12:47,084 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:12:47,093 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:12:47,093 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:12:47" (1/1) ... [2024-12-06 01:12:47,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:12:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:12:47,146 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:12:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:12:47,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:47,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:48,530 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 01:12:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:12:48,836 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:12:48,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:12:48,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:48,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:12:54,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:13:04,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:13:09,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:13:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:10,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-12-06 01:13:10,226 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-12-06 01:13:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:13:10,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:10,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:15,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:13:22,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:13:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2024-12-06 01:13:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2024-12-06 01:13:22,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:13:22,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:22,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:13:38,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:13:46,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:13:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 26 states and 53 transitions. [2024-12-06 01:13:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 53 transitions. [2024-12-06 01:13:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:13:47,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:47,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:04,316 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:14:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-12-06 01:14:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2024-12-06 01:14:10,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:14:10,212 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 01:14:10,217 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:14:10,280 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= |ULTIMATE.start_main_~state_43~0#1| 0) (= |ULTIMATE.start_main_~state_64~0#1| 0) (= |ULTIMATE.start_main_~var_12~0#1| 1) (= |ULTIMATE.start_main_~state_28~0#1| 0) (= |ULTIMATE.start_main_~state_62~0#1| 0) (= |ULTIMATE.start_main_~state_8~0#1| 0) (= |ULTIMATE.start_main_~state_58~0#1| 0) (= |ULTIMATE.start_main_~state_41~0#1| 0) (= |ULTIMATE.start_main_~state_60~0#1| 0) (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (= |ULTIMATE.start_main_~state_15~0#1| 0) (= |ULTIMATE.start_main_~var_22~0#1| 1) (= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (= |ULTIMATE.start_main_~var_7~0#1| 0) (= |ULTIMATE.start_main_~state_72~0#1| 0)) [2024-12-06 01:14:10,280 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-12-06 01:14:10,280 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= |ULTIMATE.start_main_~state_43~0#1| 0) (= |ULTIMATE.start_main_~state_64~0#1| 0) (= |ULTIMATE.start_main_~var_12~0#1| 1) (= |ULTIMATE.start_main_~state_28~0#1| 0) (= |ULTIMATE.start_main_~state_62~0#1| 0) (= |ULTIMATE.start_main_~state_8~0#1| 0) (= |ULTIMATE.start_main_~state_58~0#1| 0) (= |ULTIMATE.start_main_~state_41~0#1| 0) (= |ULTIMATE.start_main_~state_60~0#1| 0) (= |ULTIMATE.start_main_~state_15~0#1| 0) (= |ULTIMATE.start_main_~var_22~0#1| 1) (= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (= |ULTIMATE.start_main_~var_7~0#1| 0) (= |ULTIMATE.start_main_~state_72~0#1| 0)) [2024-12-06 01:14:10,280 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 01:14:10,280 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:14:10,280 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-12-06 01:14:10,281 INFO L77 FloydHoareUtils]: At program point L117-1(lines 117 421) the Hoare annotation is: (and (= |ULTIMATE.start_main_~state_43~0#1| 0) (= |ULTIMATE.start_main_~state_64~0#1| 0) (= |ULTIMATE.start_main_~var_12~0#1| 1) (= |ULTIMATE.start_main_~state_28~0#1| 0) (= |ULTIMATE.start_main_~state_62~0#1| 0) (= |ULTIMATE.start_main_~state_8~0#1| 0) (= |ULTIMATE.start_main_~state_58~0#1| 0) (= |ULTIMATE.start_main_~state_41~0#1| 0) (= |ULTIMATE.start_main_~state_60~0#1| 0) (= |ULTIMATE.start_main_~state_15~0#1| 0) (= |ULTIMATE.start_main_~var_22~0#1| 1) (= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (= |ULTIMATE.start_main_~var_7~0#1| 0) (= |ULTIMATE.start_main_~state_72~0#1| 0)) [2024-12-06 01:14:10,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:14:10 ImpRootNode [2024-12-06 01:14:10,294 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:14:10,294 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:14:10,294 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:14:10,295 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:14:10,295 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:12:47" (3/4) ... [2024-12-06 01:14:10,297 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:14:10,312 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2024-12-06 01:14:10,313 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 01:14:10,314 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:14:10,315 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:14:10,425 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:14:10,425 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:14:10,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:14:10,426 INFO L158 Benchmark]: Toolchain (without parser) took 85504.53ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 92.1MB in the beginning and 665.5MB in the end (delta: -573.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-06 01:14:10,427 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:14:10,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.56ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 70.7MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:14:10,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.35ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 56.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:14:10,428 INFO L158 Benchmark]: Boogie Preprocessor took 73.13ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 51.6MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:14:10,428 INFO L158 Benchmark]: RCFGBuilder took 1656.28ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 51.3MB in the beginning and 79.7MB in the end (delta: -28.4MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2024-12-06 01:14:10,428 INFO L158 Benchmark]: CodeCheck took 83210.29ms. Allocated memory was 192.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 79.7MB in the beginning and 678.1MB in the end (delta: -598.3MB). Peak memory consumption was 934.7MB. Max. memory is 16.1GB. [2024-12-06 01:14:10,429 INFO L158 Benchmark]: Witness Printer took 131.11ms. Allocated memory is still 1.7GB. Free memory was 678.1MB in the beginning and 665.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:14:10,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 83.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 115.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 114.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 489 IncrementalHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 5 mSDtfsCounter, 489 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 403 SyntacticMatches, 9 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6089 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 32.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 1471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/50 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((((((((((((((state_43 == 0) && (state_64 == 0)) && (var_12 == 1)) && (state_28 == 0)) && (state_62 == 0)) && (state_8 == 0)) && (state_58 == 0)) && (state_41 == 0)) && (state_60 == 0)) && (state_15 == 0)) && (var_22 == 1)) && (mask_SORT_1 == 1)) && (var_7 == 0)) && (state_72 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.56ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 70.7MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.35ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 56.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.13ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 51.6MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1656.28ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 51.3MB in the beginning and 79.7MB in the end (delta: -28.4MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * CodeCheck took 83210.29ms. Allocated memory was 192.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 79.7MB in the beginning and 678.1MB in the end (delta: -598.3MB). Peak memory consumption was 934.7MB. Max. memory is 16.1GB. * Witness Printer took 131.11ms. Allocated memory is still 1.7GB. Free memory was 678.1MB in the beginning and 665.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:14:10,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb0983c-5c23-43b9-97e2-e5b3751602ff/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 Writing output log to file Ultimate.log Result: TRUE