./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/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_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/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_3f84e527-35ad-455a-950f-c1c2cbfabac1/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 5c2c95c1cb01dd02dfadd0b631eee75cdb4fc1304493d91cf916e5cb361c9d74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:23:55,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:23:55,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:23:55,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:23:55,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:23:55,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:23:55,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:23:55,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:23:55,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:23:55,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:23:55,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:23:55,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:23:55,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:23:55,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:23:55,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:23:55,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:23:55,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:23:55,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:23:55,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:23:55,745 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:23:55,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:23:55,745 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_3f84e527-35ad-455a-950f-c1c2cbfabac1/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 -> 5c2c95c1cb01dd02dfadd0b631eee75cdb4fc1304493d91cf916e5cb361c9d74 [2024-12-06 02:23:55,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:23:55,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:23:55,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:23:55,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:23:55,973 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:23:55,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c [2024-12-06 02:23:58,636 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data/c21a641bd/8fa2e7f0214446078ac886c4b3bf0a79/FLAG7e00092ed [2024-12-06 02:23:58,934 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:23:58,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c [2024-12-06 02:23:58,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data/c21a641bd/8fa2e7f0214446078ac886c4b3bf0a79/FLAG7e00092ed [2024-12-06 02:23:58,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data/c21a641bd/8fa2e7f0214446078ac886c4b3bf0a79 [2024-12-06 02:23:58,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:23:58,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:23:58,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:23:58,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:23:58,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:23:58,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:23:58" (1/1) ... [2024-12-06 02:23:58,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a51468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:58, skipping insertion in model container [2024-12-06 02:23:58,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:23:58" (1/1) ... [2024-12-06 02:23:59,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:23:59,224 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_3f84e527-35ad-455a-950f-c1c2cbfabac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c[1177,1190] [2024-12-06 02:23:59,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:23:59,680 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:23:59,690 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_3f84e527-35ad-455a-950f-c1c2cbfabac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c[1177,1190] [2024-12-06 02:23:59,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:23:59,936 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:23:59,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59 WrapperNode [2024-12-06 02:23:59,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:23:59,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:23:59,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:23:59,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:23:59,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:00,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:00,922 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13257 [2024-12-06 02:24:00,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:24:00,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:24:00,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:24:00,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:24:00,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:00,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:01,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:01,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:01,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:01,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:01,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:01,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:01,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:02,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:24:02,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:24:02,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:24:02,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:24:02,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:59" (1/1) ... [2024-12-06 02:24:02,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:24:02,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:24:02,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:24:02,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:24:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:24:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:24:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:24:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:24:02,700 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:24:02,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:24:21,167 INFO L? ?]: Removed 7121 outVars from TransFormulas that were not future-live. [2024-12-06 02:24:21,167 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:24:40,875 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:24:40,876 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:24:40,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:24:40 BoogieIcfgContainer [2024-12-06 02:24:40,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:24:40,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:24:40,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:24:40,884 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:24:40,884 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:24:40" (1/1) ... [2024-12-06 02:24:40,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:24:40,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:40,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:24:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:24:40,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:24:40,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:40,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:24:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:44,842 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 02:24:55,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:25:05,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:25:15,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:25:19,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:25:25,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:25:30,837 WARN L539 Checker$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 02:25:40,852 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 02:25:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:25:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:25:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:25:40,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:40,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:35:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:35:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:35:26,313 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 02:35:26,321 INFO L158 Benchmark]: Toolchain (without parser) took 687351.01ms. Allocated memory was 142.6MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 111.7MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-06 02:35:26,321 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:35:26,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.30ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 44.5MB in the end (delta: 67.0MB). Peak memory consumption was 122.0MB. Max. memory is 16.1GB. [2024-12-06 02:35:26,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 985.87ms. Allocated memory was 142.6MB in the beginning and 931.1MB in the end (delta: 788.5MB). Free memory was 44.5MB in the beginning and 638.5MB in the end (delta: -593.9MB). Peak memory consumption was 276.3MB. Max. memory is 16.1GB. [2024-12-06 02:35:26,323 INFO L158 Benchmark]: Boogie Preprocessor took 1101.37ms. Allocated memory was 931.1MB in the beginning and 872.4MB in the end (delta: -58.7MB). Free memory was 638.5MB in the beginning and 483.2MB in the end (delta: 155.3MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2024-12-06 02:35:26,324 INFO L158 Benchmark]: RCFGBuilder took 38850.58ms. Allocated memory was 872.4MB in the beginning and 5.2GB in the end (delta: 4.3GB). Free memory was 483.2MB in the beginning and 4.5GB in the end (delta: -4.0GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-12-06 02:35:26,325 INFO L158 Benchmark]: CodeCheck took 645442.21ms. Allocated memory was 5.2GB in the beginning and 2.4GB in the end (delta: -2.8GB). Free memory was 4.5GB in the beginning and 1.6GB in the end (delta: 2.9GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 02:35:26,328 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.30ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 44.5MB in the end (delta: 67.0MB). Peak memory consumption was 122.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 985.87ms. Allocated memory was 142.6MB in the beginning and 931.1MB in the end (delta: 788.5MB). Free memory was 44.5MB in the beginning and 638.5MB in the end (delta: -593.9MB). Peak memory consumption was 276.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1101.37ms. Allocated memory was 931.1MB in the beginning and 872.4MB in the end (delta: -58.7MB). Free memory was 638.5MB in the beginning and 483.2MB in the end (delta: 155.3MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * RCFGBuilder took 38850.58ms. Allocated memory was 872.4MB in the beginning and 5.2GB in the end (delta: 4.3GB). Free memory was 483.2MB in the beginning and 4.5GB in the end (delta: -4.0GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * CodeCheck took 645442.21ms. Allocated memory was 5.2GB in the beginning and 2.4GB in the end (delta: -2.8GB). Free memory was 4.5GB in the beginning and 1.6GB in the end (delta: 2.9GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:35:26,542 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 02:35:26,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/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_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/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_3f84e527-35ad-455a-950f-c1c2cbfabac1/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 5c2c95c1cb01dd02dfadd0b631eee75cdb4fc1304493d91cf916e5cb361c9d74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:35:28,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:35:28,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:35:28,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:35:28,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:35:28,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:35:28,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:35:28,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:35:28,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:35:28,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:35:28,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:35:28,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:35:28,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:35:28,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:35:28,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:35:28,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:35:28,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:35:28,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:35:28,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:35:28,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:35:28,578 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:35:28,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:35:28,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:35:28,579 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:35:28,579 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:35:28,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:35:28,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:35:28,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:35:28,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:35:28,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:35:28,579 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:35:28,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:35:28,579 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:35:28,579 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_3f84e527-35ad-455a-950f-c1c2cbfabac1/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 -> 5c2c95c1cb01dd02dfadd0b631eee75cdb4fc1304493d91cf916e5cb361c9d74 [2024-12-06 02:35:28,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:35:28,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:35:28,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:35:28,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:35:28,811 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:35:28,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c [2024-12-06 02:35:31,424 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data/a53065c04/54a7c265630f48cf99a4f9cfe9bb6dd1/FLAG62945311a [2024-12-06 02:35:31,784 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:35:31,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c [2024-12-06 02:35:31,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data/a53065c04/54a7c265630f48cf99a4f9cfe9bb6dd1/FLAG62945311a [2024-12-06 02:35:32,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/data/a53065c04/54a7c265630f48cf99a4f9cfe9bb6dd1 [2024-12-06 02:35:32,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:35:32,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:35:32,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:35:32,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:35:32,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:35:32,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:32,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eac2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32, skipping insertion in model container [2024-12-06 02:35:32,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:32,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:35:32,236 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_3f84e527-35ad-455a-950f-c1c2cbfabac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c[1177,1190] [2024-12-06 02:35:32,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:35:32,589 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:35:32,597 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_3f84e527-35ad-455a-950f-c1c2cbfabac1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.1.prop1-back-serstep.c[1177,1190] [2024-12-06 02:35:32,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:35:32,780 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:35:32,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32 WrapperNode [2024-12-06 02:35:32,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:35:32,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:35:32,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:35:32,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:35:32,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:32,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:32,980 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3889 [2024-12-06 02:35:32,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:35:32,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:35:32,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:35:32,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:35:32,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:32,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:33,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:33,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:33,070 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:33,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:33,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:33,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:33,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:33,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:35:33,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:35:33,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:35:33,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:35:33,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:32" (1/1) ... [2024-12-06 02:35:33,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:35:33,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:35:33,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:35:33,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:35:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:35:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:35:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:35:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:35:33,767 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:35:33,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:35:42,377 INFO L? ?]: Removed 311 outVars from TransFormulas that were not future-live. [2024-12-06 02:35:42,377 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:35:42,487 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:35:42,487 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:35:42,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:35:42 BoogieIcfgContainer [2024-12-06 02:35:42,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:35:42,488 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:35:42,488 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:35:42,496 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:35:42,497 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:35:42" (1/1) ... [2024-12-06 02:35:42,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:35:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:35:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:35:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:35:42,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:42,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:35:42,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:35:42,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:35:42,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:35:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:43,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:35:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:43,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:35:43,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:35:44,016 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 02:35:44,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:35:47,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:35:47,424 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:35:47,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:35:47,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:47,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:35:47,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:35:47,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:35:47,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f84e527-35ad-455a-950f-c1c2cbfabac1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:35:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:50,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:35:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:51,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-06 02:35:51,046 INFO L279 TraceCheckSpWp]: Computing forward predicates...