./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk --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 ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:08:47,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:08:47,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:08:47,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:08:47,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:08:47,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:08:47,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:08:47,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:08:47,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:08:47,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:08:47,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:08:47,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:08:47,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:08:47,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:08:47,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:08:47,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:08:47,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:08:47,164 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:08:47,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:08:47,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:08:47,165 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:08:47,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:08:47,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:08:47,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:08:47,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:08:47,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:08:47,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:08:47,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:08:47,171 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:08:47,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:08:47,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd [2024-11-08 23:08:47,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:08:47,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:08:47,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:08:47,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:08:47,462 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:08:47,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:08:49,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:08:49,830 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:08:49,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-11-08 23:08:49,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/data/4460b735e/5dfe8c28c4b44189854d28902454f0dd/FLAG7ade12882 [2024-11-08 23:08:49,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/data/4460b735e/5dfe8c28c4b44189854d28902454f0dd [2024-11-08 23:08:49,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:08:49,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:08:49,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:08:49,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:08:49,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:08:49,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:08:49" (1/1) ... [2024-11-08 23:08:49,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e593575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:49, skipping insertion in model container [2024-11-08 23:08:49,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:08:49" (1/1) ... [2024-11-08 23:08:49,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:08:50,220 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_20d59331-81fe-488f-bdf3-b95a6d4a66ed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-11-08 23:08:50,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:08:50,840 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:08:50,852 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_20d59331-81fe-488f-bdf3-b95a6d4a66ed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-11-08 23:08:51,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:08:51,095 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:08:51,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51 WrapperNode [2024-11-08 23:08:51,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:08:51,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:08:51,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:08:51,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:08:51,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:51,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:52,280 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8191 [2024-11-08 23:08:52,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:08:52,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:08:52,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:08:52,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:08:52,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:52,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:52,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:52,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:52,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:52,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:53,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:53,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:53,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:08:53,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:08:53,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:08:53,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:08:53,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:51" (1/1) ... [2024-11-08 23:08:53,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:08:53,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:08:53,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:08:53,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:08:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:08:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:08:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:08:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:08:53,957 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:08:53,959 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:09:05,797 INFO L? ?]: Removed 4306 outVars from TransFormulas that were not future-live. [2024-11-08 23:09:05,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:09:22,107 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:09:22,107 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:09:22,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:22 BoogieIcfgContainer [2024-11-08 23:09:22,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:09:22,109 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:09:22,109 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:09:22,119 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:09:22,119 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:22" (1/1) ... [2024-11-08 23:09:22,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:09:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:09:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:09:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:09:22,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:22,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:37,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:09:47,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:09:52,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:10:02,019 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 [] [2024-11-08 23:10:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:02,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:10:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:10:02,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:10:02,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:02,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:12:33,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:15:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:15:09,573 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) [2024-11-08 23:15:09,577 INFO L158 Benchmark]: Toolchain (without parser) took 379706.06ms. Allocated memory was 140.5MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 106.2MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 636.0MB. Max. memory is 16.1GB. [2024-11-08 23:15:09,577 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:15:09,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1224.31ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 106.2MB in the beginning and 101.9MB in the end (delta: 4.3MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2024-11-08 23:15:09,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 1184.26ms. Allocated memory was 190.8MB in the beginning and 381.7MB in the end (delta: 190.8MB). Free memory was 101.9MB in the beginning and 212.1MB in the end (delta: -110.2MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2024-11-08 23:15:09,580 INFO L158 Benchmark]: Boogie Preprocessor took 988.17ms. Allocated memory is still 381.7MB. Free memory was 212.1MB in the beginning and 161.8MB in the end (delta: 50.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-11-08 23:15:09,580 INFO L158 Benchmark]: RCFGBuilder took 28836.37ms. Allocated memory was 381.7MB in the beginning and 5.5GB in the end (delta: 5.1GB). Free memory was 161.8MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-08 23:15:09,581 INFO L158 Benchmark]: CodeCheck took 347467.14ms. Allocated memory was 5.5GB in the beginning and 6.9GB in the end (delta: 1.4GB). Free memory was 4.8GB in the beginning and 6.2GB in the end (delta: -1.4GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:15:09,585 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 0.22ms. Allocated memory is still 109.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1224.31ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 106.2MB in the beginning and 101.9MB in the end (delta: 4.3MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1184.26ms. Allocated memory was 190.8MB in the beginning and 381.7MB in the end (delta: 190.8MB). Free memory was 101.9MB in the beginning and 212.1MB in the end (delta: -110.2MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 988.17ms. Allocated memory is still 381.7MB. Free memory was 212.1MB in the beginning and 161.8MB in the end (delta: 50.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * RCFGBuilder took 28836.37ms. Allocated memory was 381.7MB in the beginning and 5.5GB in the end (delta: 5.1GB). Free memory was 161.8MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 347467.14ms. Allocated memory was 5.5GB in the beginning and 6.9GB in the end (delta: 1.4GB). Free memory was 4.8GB in the beginning and 6.2GB in the end (delta: -1.4GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:15:09,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk --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 ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:15:12,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:15:12,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:15:12,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:15:12,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:15:12,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:15:12,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:15:12,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:15:12,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:15:12,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:15:12,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:15:12,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:15:12,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:15:12,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:15:12,495 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:15:12,495 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:15:12,496 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:15:12,496 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:15:12,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:15:12,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:15:12,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:15:12,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:15:12,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:15:12,499 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:12,499 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:15:12,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:15:12,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:12,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:15:12,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:15:12,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:15:12,502 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:15:12,502 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:12,502 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:15:12,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd [2024-11-08 23:15:12,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:15:13,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:15:13,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:15:13,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:15:13,011 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:15:13,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:15:15,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:15:15,528 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:15:15,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-11-08 23:15:15,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/data/b6829986b/a5514bb91ccb40ceafe431b53e6c19ef/FLAG4af1eeab3 [2024-11-08 23:15:15,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/data/b6829986b/a5514bb91ccb40ceafe431b53e6c19ef [2024-11-08 23:15:15,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:15:15,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:15:15,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:15,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:15:15,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:15:15,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:15" (1/1) ... [2024-11-08 23:15:15,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646bd5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:15, skipping insertion in model container [2024-11-08 23:15:15,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:15" (1/1) ... [2024-11-08 23:15:15,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:15:16,144 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_20d59331-81fe-488f-bdf3-b95a6d4a66ed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-11-08 23:15:16,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:16,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:15:16,695 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_20d59331-81fe-488f-bdf3-b95a6d4a66ed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-11-08 23:15:16,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:16,908 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:15:16,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16 WrapperNode [2024-11-08 23:15:16,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:16,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:16,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:15:16,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:15:16,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:16,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,105 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2235 [2024-11-08 23:15:17,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:17,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:15:17,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:15:17,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:15:17,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:15:17,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:15:17,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:15:17,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:15:17,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:16" (1/1) ... [2024-11-08 23:15:17,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:17,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:15:17,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:15:17,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:15:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:15:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:15:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:15:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:15:17,840 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:15:17,843 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:15:26,308 INFO L? ?]: Removed 199 outVars from TransFormulas that were not future-live. [2024-11-08 23:15:26,308 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:15:26,436 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:15:26,436 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:15:26,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:15:26 BoogieIcfgContainer [2024-11-08 23:15:26,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:15:26,438 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:15:26,438 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:15:26,452 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:15:26,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:15:26" (1/1) ... [2024-11-08 23:15:26,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:15:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:15:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:15:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:15:26,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:26,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:26,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:26,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:26,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:15:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:27,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:27,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:15:27,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:27,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:15:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:15:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:15:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:15:29,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:29,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:29,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:29,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:29,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d59331-81fe-488f-bdf3-b95a6d4a66ed/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:15:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:30,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:31,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 23:15:31,238 INFO L278 TraceCheckSpWp]: Computing forward predicates...