./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.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_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/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_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/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_34da60fc-3e2a-421a-803b-013c1adbda36/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 eacd7e0452713b8f320e45d382e83162d0d5ecc24d930b4ed087e5fe5c21b6ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:04:17,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:04:17,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:04:17,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:04:17,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:04:17,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:04:17,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:04:17,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:04:17,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:04:17,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:04:17,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:04:17,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:04:17,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:04:17,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:04:17,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:04:17,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:04:17,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:04:17,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:04:18,000 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:04:18,000 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:04:18,000 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:04:18,000 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:04:18,000 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:04:18,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:04:18,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:04:18,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:04:18,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:04:18,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:04:18,001 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:04:18,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:04:18,001 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_34da60fc-3e2a-421a-803b-013c1adbda36/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 -> eacd7e0452713b8f320e45d382e83162d0d5ecc24d930b4ed087e5fe5c21b6ce [2024-12-06 01:04:18,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:04:18,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:04:18,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:04:18,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:04:18,205 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:04:18,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c [2024-12-06 01:04:20,927 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data/bd819592a/71330987accf4c25a63c5b92a2fee045/FLAGb2ead3ec3 [2024-12-06 01:04:21,257 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:04:21,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c [2024-12-06 01:04:21,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data/bd819592a/71330987accf4c25a63c5b92a2fee045/FLAGb2ead3ec3 [2024-12-06 01:04:21,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data/bd819592a/71330987accf4c25a63c5b92a2fee045 [2024-12-06 01:04:21,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:04:21,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:04:21,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:04:21,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:04:21,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:04:21,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:04:21" (1/1) ... [2024-12-06 01:04:21,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430ade90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:21, skipping insertion in model container [2024-12-06 01:04:21,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:04:21" (1/1) ... [2024-12-06 01:04:21,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:04:21,506 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_34da60fc-3e2a-421a-803b-013c1adbda36/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c[1177,1190] [2024-12-06 01:04:21,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:04:21,922 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:04:21,930 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_34da60fc-3e2a-421a-803b-013c1adbda36/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c[1177,1190] [2024-12-06 01:04:22,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:04:22,144 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:04:22,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22 WrapperNode [2024-12-06 01:04:22,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:04:22,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:04:22,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:04:22,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:04:22,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:22,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,076 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10867 [2024-12-06 01:04:23,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:04:23,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:04:23,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:04:23,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:04:23,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,517 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:04:23,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:04:23,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:04:23,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:04:23,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:22" (1/1) ... [2024-12-06 01:04:23,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:04:23,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:04:23,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:04:23,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:04:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:04:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:04:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:04:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:04:24,323 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:04:24,325 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:04:38,739 INFO L? ?]: Removed 5931 outVars from TransFormulas that were not future-live. [2024-12-06 01:04:38,739 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:04:52,505 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:04:52,505 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:04:52,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:04:52 BoogieIcfgContainer [2024-12-06 01:04:52,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:04:52,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:04:52,507 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:04:52,513 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:04:52,513 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:04:52" (1/1) ... [2024-12-06 01:04:52,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:04:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:52,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:04:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:04:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:04:52,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:04:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:07,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:05:17,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:05:19,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:05:29,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:05:31,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:05:33,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:05:43,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:05:53,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:05:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:05:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:05:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:05:53,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:53,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:10:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:10:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:10:33,822 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 01:10:33,829 INFO L158 Benchmark]: Toolchain (without parser) took 372529.28ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 87.7MB in the beginning and 850.3MB in the end (delta: -762.6MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 01:10:33,830 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:10:33,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.28ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 87.7MB in the beginning and 81.3MB in the end (delta: 6.4MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2024-12-06 01:10:33,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 931.94ms. Allocated memory was 192.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 81.2MB in the beginning and 1.0GB in the end (delta: -948.8MB). Peak memory consumption was 204.9MB. Max. memory is 16.1GB. [2024-12-06 01:10:33,832 INFO L158 Benchmark]: Boogie Preprocessor took 660.17ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 968.6MB in the end (delta: 61.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2024-12-06 01:10:33,833 INFO L158 Benchmark]: RCFGBuilder took 28767.68ms. Allocated memory was 1.3GB in the beginning and 1.8GB in the end (delta: 536.9MB). Free memory was 968.6MB in the beginning and 646.2MB in the end (delta: 322.5MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 01:10:33,834 INFO L158 Benchmark]: CodeCheck took 341320.77ms. Allocated memory was 1.8GB in the beginning and 2.0GB in the end (delta: 192.9MB). Free memory was 646.2MB in the beginning and 850.3MB in the end (delta: -204.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:10:33,838 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 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.28ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 87.7MB in the beginning and 81.3MB in the end (delta: 6.4MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 931.94ms. Allocated memory was 192.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 81.2MB in the beginning and 1.0GB in the end (delta: -948.8MB). Peak memory consumption was 204.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 660.17ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 968.6MB in the end (delta: 61.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * RCFGBuilder took 28767.68ms. Allocated memory was 1.3GB in the beginning and 1.8GB in the end (delta: 536.9MB). Free memory was 968.6MB in the beginning and 646.2MB in the end (delta: 322.5MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 341320.77ms. Allocated memory was 1.8GB in the beginning and 2.0GB in the end (delta: 192.9MB). Free memory was 646.2MB in the beginning and 850.3MB in the end (delta: -204.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:10:34,052 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 01:10:34,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/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_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/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_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/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_34da60fc-3e2a-421a-803b-013c1adbda36/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 eacd7e0452713b8f320e45d382e83162d0d5ecc24d930b4ed087e5fe5c21b6ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:10:35,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:10:36,000 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:10:36,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:10:36,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:10:36,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:10:36,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:10:36,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:10:36,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:10:36,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:10:36,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:10:36,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:10:36,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:10:36,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:10:36,027 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:10:36,027 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:10:36,027 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:10:36,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:10:36,028 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:10:36,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:10:36,028 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:10:36,028 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:10:36,028 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:10:36,028 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:36,028 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:10:36,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:10:36,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:10:36,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:10:36,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:10:36,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:10:36,029 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:10:36,029 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:36,029 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:10:36,029 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_34da60fc-3e2a-421a-803b-013c1adbda36/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 -> eacd7e0452713b8f320e45d382e83162d0d5ecc24d930b4ed087e5fe5c21b6ce [2024-12-06 01:10:36,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:10:36,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:10:36,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:10:36,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:10:36,270 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:10:36,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c [2024-12-06 01:10:38,970 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data/58cbba64e/64a6e0eb6ed14e02a615d3633328904b/FLAG6244158b0 [2024-12-06 01:10:39,266 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:10:39,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c [2024-12-06 01:10:39,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data/58cbba64e/64a6e0eb6ed14e02a615d3633328904b/FLAG6244158b0 [2024-12-06 01:10:39,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/data/58cbba64e/64a6e0eb6ed14e02a615d3633328904b [2024-12-06 01:10:39,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:10:39,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:10:39,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:10:39,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:10:39,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:10:39,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:10:39" (1/1) ... [2024-12-06 01:10:39,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8316ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:39, skipping insertion in model container [2024-12-06 01:10:39,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:10:39" (1/1) ... [2024-12-06 01:10:39,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:10:39,756 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_34da60fc-3e2a-421a-803b-013c1adbda36/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c[1177,1190] [2024-12-06 01:10:40,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:10:40,060 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:10:40,067 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_34da60fc-3e2a-421a-803b-013c1adbda36/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-back-serstep.c[1177,1190] [2024-12-06 01:10:40,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:10:40,227 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:10:40,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40 WrapperNode [2024-12-06 01:10:40,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:10:40,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:10:40,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:10:40,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:10:40,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,372 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3451 [2024-12-06 01:10:40,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:10:40,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:10:40,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:10:40,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:10:40,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,455 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:10:40,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:10:40,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:10:40,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:10:40,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:40" (1/1) ... [2024-12-06 01:10:40,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:10:40,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:10:40,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:10:40,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:10:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:10:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:10:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:10:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:10:41,065 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:10:41,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:10:50,064 INFO L? ?]: Removed 352 outVars from TransFormulas that were not future-live. [2024-12-06 01:10:50,065 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:10:50,133 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:10:50,133 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:10:50,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:50 BoogieIcfgContainer [2024-12-06 01:10:50,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:10:50,134 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:10:50,134 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:10:50,140 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:10:50,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:50" (1/1) ... [2024-12-06 01:10:50,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:10:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:10:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:10:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:10:50,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:50,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:50,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:50,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:50,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:10:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:51,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:51,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:10:51,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:51,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:10:51,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:10:53,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:10:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:10:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:10:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:10:53,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:53,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:53,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:53,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:53,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34da60fc-3e2a-421a-803b-013c1adbda36/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:10:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:55,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:56,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-12-06 01:10:56,525 INFO L279 TraceCheckSpWp]: Computing forward predicates...