./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9 --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 117312f10089d2cc67931235e0199eb498ae20d6e069fe62afb50fed34f4fb08 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:22:40,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:22:40,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:22:40,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:22:40,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:22:40,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:22:40,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:22:40,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:22:40,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:22:40,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:22:40,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:22:40,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:22:40,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:22:40,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:22:40,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:22:40,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:22:40,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:22:40,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:22:40,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:22:40,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:22:40,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:22:40,305 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:22:40,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:22:40,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:22:40,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:22:40,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:22:40,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:22:40,307 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:22:40,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:22:40,308 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:22:40,308 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_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 117312f10089d2cc67931235e0199eb498ae20d6e069fe62afb50fed34f4fb08 [2023-12-02 22:22:40,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:22:40,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:22:40,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:22:40,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:22:40,576 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:22:40,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c [2023-12-02 22:22:43,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:22:44,051 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:22:44,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c [2023-12-02 22:22:44,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/data/5915fd5fb/3e652f6a3df9490cb346443fcb172093/FLAG297f1c0ba [2023-12-02 22:22:44,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/data/5915fd5fb/3e652f6a3df9490cb346443fcb172093 [2023-12-02 22:22:44,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:22:44,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:22:44,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:22:44,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:22:44,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:22:44,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:44" (1/1) ... [2023-12-02 22:22:44,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0142b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:44, skipping insertion in model container [2023-12-02 22:22:44,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:44" (1/1) ... [2023-12-02 22:22:44,400 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:22:44,752 WARN L240 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_ff1910d8-6193-4980-b563-02394eb9131e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c[1176,1189] [2023-12-02 22:22:46,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:22:46,151 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:22:46,163 WARN L240 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_ff1910d8-6193-4980-b563-02394eb9131e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c[1176,1189] [2023-12-02 22:22:46,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:22:47,009 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:22:47,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47 WrapperNode [2023-12-02 22:22:47,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:22:47,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:22:47,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:22:47,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:22:47,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:47,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:49,444 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40163 [2023-12-02 22:22:49,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:22:49,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:22:49,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:22:49,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:22:49,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:49,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:49,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:49,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:50,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:50,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:51,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:51,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:52,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:22:52,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:22:52,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:22:52,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:22:52,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:47" (1/1) ... [2023-12-02 22:22:52,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:22:52,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:22:52,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:22:52,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:22:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:22:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:22:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:22:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:22:54,039 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:22:54,041 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:23:12,149 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:24:34,528 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:24:34,528 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:24:34,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:34 BoogieIcfgContainer [2023-12-02 22:24:34,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:24:34,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:24:34,531 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:24:34,539 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:24:34,539 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:34" (1/1) ... [2023-12-02 22:24:34,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:24:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:24:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:24:34,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:24:34,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:34,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:59,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:25:10,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:25:13,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:17,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:19,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:22,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:32,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 22:25:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 22:25:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:32,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:32,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:25:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:25:52,792 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:488) 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) [2023-12-02 22:25:52,797 INFO L158 Benchmark]: Toolchain (without parser) took 188651.00ms. Allocated memory was 148.9MB in the beginning and 11.6GB in the end (delta: 11.5GB). Free memory was 89.8MB in the beginning and 8.9GB in the end (delta: -8.9GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2023-12-02 22:25:52,797 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:25:52,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2863.49ms. Allocated memory was 148.9MB in the beginning and 476.1MB in the end (delta: 327.2MB). Free memory was 89.8MB in the beginning and 230.1MB in the end (delta: -140.3MB). Peak memory consumption was 263.3MB. Max. memory is 16.1GB. [2023-12-02 22:25:52,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 2433.83ms. Allocated memory was 476.1MB in the beginning and 1.1GB in the end (delta: 616.6MB). Free memory was 230.1MB in the beginning and 411.3MB in the end (delta: -181.2MB). Peak memory consumption was 554.9MB. Max. memory is 16.1GB. [2023-12-02 22:25:52,800 INFO L158 Benchmark]: Boogie Preprocessor took 2559.68ms. Allocated memory was 1.1GB in the beginning and 3.3GB in the end (delta: 2.2GB). Free memory was 411.3MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 332.4MB. Max. memory is 16.1GB. [2023-12-02 22:25:52,801 INFO L158 Benchmark]: RCFGBuilder took 102524.86ms. Allocated memory was 3.3GB in the beginning and 11.4GB in the end (delta: 8.2GB). Free memory was 2.4GB in the beginning and 9.2GB in the end (delta: -6.8GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. [2023-12-02 22:25:52,802 INFO L158 Benchmark]: CodeCheck took 78264.32ms. Allocated memory was 11.4GB in the beginning and 11.6GB in the end (delta: 197.1MB). Free memory was 9.2GB in the beginning and 8.9GB in the end (delta: 271.6MB). Peak memory consumption was 744.5MB. Max. memory is 16.1GB. [2023-12-02 22:25:52,806 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2863.49ms. Allocated memory was 148.9MB in the beginning and 476.1MB in the end (delta: 327.2MB). Free memory was 89.8MB in the beginning and 230.1MB in the end (delta: -140.3MB). Peak memory consumption was 263.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2433.83ms. Allocated memory was 476.1MB in the beginning and 1.1GB in the end (delta: 616.6MB). Free memory was 230.1MB in the beginning and 411.3MB in the end (delta: -181.2MB). Peak memory consumption was 554.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2559.68ms. Allocated memory was 1.1GB in the beginning and 3.3GB in the end (delta: 2.2GB). Free memory was 411.3MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 332.4MB. Max. memory is 16.1GB. * RCFGBuilder took 102524.86ms. Allocated memory was 3.3GB in the beginning and 11.4GB in the end (delta: 8.2GB). Free memory was 2.4GB in the beginning and 9.2GB in the end (delta: -6.8GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. * CodeCheck took 78264.32ms. Allocated memory was 11.4GB in the beginning and 11.6GB in the end (delta: 197.1MB). Free memory was 9.2GB in the beginning and 8.9GB in the end (delta: 271.6MB). Peak memory consumption was 744.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:25:53,019 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:25:53,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9 --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 117312f10089d2cc67931235e0199eb498ae20d6e069fe62afb50fed34f4fb08 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:25:55,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:25:55,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:25:55,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:25:55,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:25:55,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:25:55,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:25:55,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:25:55,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:25:55,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:25:55,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:25:55,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:25:55,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:25:55,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:25:55,452 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:25:55,452 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:25:55,453 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:25:55,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:25:55,454 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:25:55,454 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:25:55,455 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:25:55,455 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:25:55,456 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:55,456 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:25:55,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:25:55,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:25:55,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:25:55,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:25:55,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:25:55,459 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:25:55,460 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:55,460 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:25:55,461 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:25:55,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:25:55,461 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 117312f10089d2cc67931235e0199eb498ae20d6e069fe62afb50fed34f4fb08 [2023-12-02 22:25:55,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:25:55,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:25:55,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:25:55,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:25:55,781 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:25:55,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c [2023-12-02 22:25:58,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:25:59,195 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:25:59,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c [2023-12-02 22:25:59,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/data/96a9279a9/cd5c368d1e254bb3bc2c1a45e1330cbe/FLAGa704f4d19 [2023-12-02 22:25:59,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/data/96a9279a9/cd5c368d1e254bb3bc2c1a45e1330cbe [2023-12-02 22:25:59,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:25:59,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:25:59,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:25:59,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:25:59,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:25:59,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:25:59" (1/1) ... [2023-12-02 22:25:59,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab2de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:59, skipping insertion in model container [2023-12-02 22:25:59,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:25:59" (1/1) ... [2023-12-02 22:25:59,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:25:59,868 WARN L240 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_ff1910d8-6193-4980-b563-02394eb9131e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c[1176,1189] [2023-12-02 22:26:00,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:26:01,006 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:26:01,018 WARN L240 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_ff1910d8-6193-4980-b563-02394eb9131e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.2.prop1-back-serstep.c[1176,1189] [2023-12-02 22:26:01,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:26:01,876 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:26:01,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01 WrapperNode [2023-12-02 22:26:01,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:26:01,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:26:01,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:26:01,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:26:01,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:02,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:02,581 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 17191 [2023-12-02 22:26:02,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:26:02,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:26:02,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:26:02,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:26:02,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:02,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:02,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:02,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:03,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:03,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:03,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:03,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:03,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:26:03,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:26:03,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:26:03,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:26:03,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:26:01" (1/1) ... [2023-12-02 22:26:03,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:26:03,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:26:03,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:26:03,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:26:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:26:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:26:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:26:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:26:05,590 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:26:05,592 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:28:11,698 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:28:12,358 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:28:12,358 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:28:12,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:12 BoogieIcfgContainer [2023-12-02 22:28:12,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:28:12,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:28:12,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:28:12,372 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:28:12,372 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:12" (1/1) ... [2023-12-02 22:28:12,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:28:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:12,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:28:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:28:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:28:12,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:12,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:12,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:12,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:12,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:28:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:16,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:17,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:28:17,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:17,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:28:28,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:28:38,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:28:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:28:39,338 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:28:39,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:39,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:39,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:39,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:39,340 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:39,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:28:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:52,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:56,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 16372 conjuncts, 157 conjunts are in the unsatisfiable core [2023-12-02 22:28:57,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:58,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:29:10,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:29:21,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:29:34,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:29:44,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:29:54,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:30:04,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:30:14,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:30:24,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:30:36,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:30:37,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:30:47,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:30:58,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:30:58,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 22:30:58,459 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 22:30:58,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:30:58,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:58,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:58,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:58,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:58,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:31:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:29,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:31:45,816 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forcibly destroying the process [2023-12-02 22:31:45,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 22:31:45,823 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) 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) [2023-12-02 22:31:45,826 INFO L158 Benchmark]: Toolchain (without parser) took 346527.57ms. Allocated memory was 92.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 54.8MB in the beginning and 991.1MB in the end (delta: -936.3MB). Peak memory consumption was 920.0MB. Max. memory is 16.1GB. [2023-12-02 22:31:45,827 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:31:45,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2576.47ms. Allocated memory was 92.3MB in the beginning and 323.0MB in the end (delta: 230.7MB). Free memory was 54.5MB in the beginning and 156.0MB in the end (delta: -101.5MB). Peak memory consumption was 181.2MB. Max. memory is 16.1GB. [2023-12-02 22:31:45,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 704.75ms. Allocated memory was 323.0MB in the beginning and 729.8MB in the end (delta: 406.8MB). Free memory was 156.0MB in the beginning and 505.7MB in the end (delta: -349.7MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. [2023-12-02 22:31:45,829 INFO L158 Benchmark]: Boogie Preprocessor took 795.03ms. Allocated memory is still 729.8MB. Free memory was 505.7MB in the beginning and 437.6MB in the end (delta: 68.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-12-02 22:31:45,830 INFO L158 Benchmark]: RCFGBuilder took 128981.18ms. Allocated memory was 729.8MB in the beginning and 1.9GB in the end (delta: 1.2GB). Free memory was 437.6MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-12-02 22:31:45,830 INFO L158 Benchmark]: CodeCheck took 213464.46ms. Allocated memory is still 1.9GB. Free memory was 1.6GB in the beginning and 991.1MB in the end (delta: 582.0MB). Peak memory consumption was 619.6MB. Max. memory is 16.1GB. [2023-12-02 22:31:45,834 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2576.47ms. Allocated memory was 92.3MB in the beginning and 323.0MB in the end (delta: 230.7MB). Free memory was 54.5MB in the beginning and 156.0MB in the end (delta: -101.5MB). Peak memory consumption was 181.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 704.75ms. Allocated memory was 323.0MB in the beginning and 729.8MB in the end (delta: 406.8MB). Free memory was 156.0MB in the beginning and 505.7MB in the end (delta: -349.7MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 795.03ms. Allocated memory is still 729.8MB. Free memory was 505.7MB in the beginning and 437.6MB in the end (delta: 68.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * RCFGBuilder took 128981.18ms. Allocated memory was 729.8MB in the beginning and 1.9GB in the end (delta: 1.2GB). Free memory was 437.6MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 213464.46ms. Allocated memory is still 1.9GB. Free memory was 1.6GB in the beginning and 991.1MB in the end (delta: 582.0MB). Peak memory consumption was 619.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:31:46,045 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:31:46,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1910d8-6193-4980-b563-02394eb9131e/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown