./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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 4266779bbe6f4bb49ffaaab7243596bd26eeda5dc295f430486a067412960e81 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:40:41,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:40:41,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:40:41,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:40:41,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:40:41,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:40:41,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:40:41,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:40:41,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:40:41,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:40:41,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:40:41,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:40:41,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:40:41,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:40:41,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:40:41,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:40:41,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:40:41,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:40:41,355 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:40:41,355 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:40:41,356 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:40:41,357 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:40:41,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:40:41,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:40:41,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:40:41,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:40:41,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:40:41,359 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:40:41,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:40:41,360 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:40:41,361 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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4266779bbe6f4bb49ffaaab7243596bd26eeda5dc295f430486a067412960e81 [2023-12-02 21:40:41,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:40:41,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:40:41,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:40:41,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:40:41,598 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:40:41,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c [2023-12-02 21:40:44,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:40:44,690 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:40:44,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c [2023-12-02 21:40:44,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/data/9fba89ec3/aeb7847a9d304025a30226e1cc5d3934/FLAGa552259a7 [2023-12-02 21:40:44,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/data/9fba89ec3/aeb7847a9d304025a30226e1cc5d3934 [2023-12-02 21:40:44,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:40:44,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:40:44,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:40:44,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:40:44,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:40:44,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:44" (1/1) ... [2023-12-02 21:40:44,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d78f09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:44, skipping insertion in model container [2023-12-02 21:40:44,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:44" (1/1) ... [2023-12-02 21:40:44,890 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:40:45,114 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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c[1181,1194] [2023-12-02 21:40:45,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:40:45,749 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:40:45,759 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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c[1181,1194] [2023-12-02 21:40:46,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:40:46,167 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:40:46,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46 WrapperNode [2023-12-02 21:40:46,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:40:46,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:40:46,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:40:46,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:40:46,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:46,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:47,346 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20058 [2023-12-02 21:40:47,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:40:47,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:40:47,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:40:47,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:40:47,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:47,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:47,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:47,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:47,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:48,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:48,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:48,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:48,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:40:48,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:40:48,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:40:48,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:40:48,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:46" (1/1) ... [2023-12-02 21:40:48,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:40:48,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:40:48,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:40:48,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:40:48,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:40:48,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:40:48,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:40:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:40:49,548 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:40:49,550 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:41:01,053 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:41:37,757 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:41:37,757 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:41:37,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:41:37 BoogieIcfgContainer [2023-12-02 21:41:37,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:41:37,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:41:37,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:41:37,767 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:41:37,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:41:37" (1/1) ... [2023-12-02 21:41:37,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:41:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:41:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:41:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:41:37,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:37,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:41:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:48,079 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 21:41:59,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:42:09,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:42:19,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:23,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:27,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:37,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:47,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:47,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 21:42:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 21:42:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:42:47,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:47,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:43:01,140 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 21:43:01,143 INFO L158 Benchmark]: Toolchain (without parser) took 136408.63ms. Allocated memory was 167.8MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 116.5MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-12-02 21:43:01,144 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 109.3MB in the end (delta: 154.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:43:01,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1432.07ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 116.5MB in the beginning and 91.6MB in the end (delta: 24.8MB). Peak memory consumption was 135.1MB. Max. memory is 16.1GB. [2023-12-02 21:43:01,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 1177.75ms. Allocated memory was 228.6MB in the beginning and 392.2MB in the end (delta: 163.6MB). Free memory was 91.6MB in the beginning and 80.8MB in the end (delta: 10.8MB). Peak memory consumption was 229.7MB. Max. memory is 16.1GB. [2023-12-02 21:43:01,147 INFO L158 Benchmark]: Boogie Preprocessor took 1271.27ms. Allocated memory was 392.2MB in the beginning and 784.3MB in the end (delta: 392.2MB). Free memory was 80.8MB in the beginning and 374.7MB in the end (delta: -293.8MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. [2023-12-02 21:43:01,147 INFO L158 Benchmark]: RCFGBuilder took 49139.76ms. Allocated memory was 784.3MB in the beginning and 6.3GB in the end (delta: 5.5GB). Free memory was 374.7MB in the beginning and 4.9GB in the end (delta: -4.5GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2023-12-02 21:43:01,148 INFO L158 Benchmark]: CodeCheck took 83382.86ms. Allocated memory is still 6.3GB. Free memory was 4.9GB in the beginning and 5.0GB in the end (delta: -181.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-12-02 21:43:01,152 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 0.20ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 109.3MB in the end (delta: 154.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1432.07ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 116.5MB in the beginning and 91.6MB in the end (delta: 24.8MB). Peak memory consumption was 135.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1177.75ms. Allocated memory was 228.6MB in the beginning and 392.2MB in the end (delta: 163.6MB). Free memory was 91.6MB in the beginning and 80.8MB in the end (delta: 10.8MB). Peak memory consumption was 229.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1271.27ms. Allocated memory was 392.2MB in the beginning and 784.3MB in the end (delta: 392.2MB). Free memory was 80.8MB in the beginning and 374.7MB in the end (delta: -293.8MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. * RCFGBuilder took 49139.76ms. Allocated memory was 784.3MB in the beginning and 6.3GB in the end (delta: 5.5GB). Free memory was 374.7MB in the beginning and 4.9GB in the end (delta: -4.5GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. * CodeCheck took 83382.86ms. Allocated memory is still 6.3GB. Free memory was 4.9GB in the beginning and 5.0GB in the end (delta: -181.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:43:01,364 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:43:01,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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 4266779bbe6f4bb49ffaaab7243596bd26eeda5dc295f430486a067412960e81 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:43:03,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:43:03,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:43:03,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:43:03,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:43:03,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:43:03,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:43:03,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:43:03,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:43:03,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:43:03,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:43:03,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:43:03,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:43:03,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:43:03,485 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:43:03,486 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:43:03,486 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:43:03,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:43:03,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:43:03,488 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:43:03,489 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:43:03,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:43:03,492 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:03,492 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:43:03,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:43:03,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:43:03,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:43:03,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:43:03,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:43:03,495 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:43:03,495 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:03,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:43:03,496 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:43:03,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:43:03,496 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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4266779bbe6f4bb49ffaaab7243596bd26eeda5dc295f430486a067412960e81 [2023-12-02 21:43:03,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:43:03,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:43:03,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:43:03,833 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:43:03,833 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:43:03,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c [2023-12-02 21:43:06,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:43:06,963 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:43:06,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c [2023-12-02 21:43:06,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/data/ff7f27add/9e46c19333ba4390826b7c5be46b27d1/FLAG9a65b3b88 [2023-12-02 21:43:07,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/data/ff7f27add/9e46c19333ba4390826b7c5be46b27d1 [2023-12-02 21:43:07,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:43:07,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:43:07,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:43:07,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:43:07,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:43:07,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:43:07" (1/1) ... [2023-12-02 21:43:07,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d10ac6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:07, skipping insertion in model container [2023-12-02 21:43:07,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:43:07" (1/1) ... [2023-12-02 21:43:07,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:43:07,279 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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c[1181,1194] [2023-12-02 21:43:07,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:43:07,790 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:43:07,802 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_80e23c1a-6e7e-4b8e-bce7-107be875ca28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c[1181,1194] [2023-12-02 21:43:08,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:43:08,128 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:43:08,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08 WrapperNode [2023-12-02 21:43:08,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:43:08,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:43:08,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:43:08,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:43:08,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,412 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5307 [2023-12-02 21:43:08,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:43:08,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:43:08,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:43:08,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:43:08,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:43:08,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:43:08,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:43:08,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:43:08,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:08" (1/1) ... [2023-12-02 21:43:08,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:43:08,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:43:08,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:43:08,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:43:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:43:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:43:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:43:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:43:09,501 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:43:09,504 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:43:28,482 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:43:28,700 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:43:28,700 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:43:28,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:43:28 BoogieIcfgContainer [2023-12-02 21:43:28,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:43:28,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:43:28,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:43:28,710 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:43:28,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:43:28" (1/1) ... [2023-12-02 21:43:28,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:43:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:43:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:43:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:43:28,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:28,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:28,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:28,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:28,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:43:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:30,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:30,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:43:30,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:30,686 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 21:43:30,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:43:41,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:43:51,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:43:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:43:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:43:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:43:51,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:51,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:51,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:51,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:51,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:43:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:43:59,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:44:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:44:19,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:44:19,441 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 21:44:19,444 INFO L158 Benchmark]: Toolchain (without parser) took 72434.76ms. Allocated memory was 104.9MB in the beginning and 507.5MB in the end (delta: 402.7MB). Free memory was 73.5MB in the beginning and 363.8MB in the end (delta: -290.3MB). Peak memory consumption was 383.6MB. Max. memory is 16.1GB. [2023-12-02 21:44:19,445 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:44:19,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1118.76ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 73.1MB in the beginning and 51.0MB in the end (delta: 22.2MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2023-12-02 21:44:19,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 282.01ms. Allocated memory is still 127.9MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: -73.4kB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-12-02 21:44:19,446 INFO L158 Benchmark]: Boogie Preprocessor took 289.48ms. Allocated memory is still 127.9MB. Free memory was 51.0MB in the beginning and 42.0MB in the end (delta: 9.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-12-02 21:44:19,447 INFO L158 Benchmark]: RCFGBuilder took 19998.55ms. Allocated memory was 127.9MB in the beginning and 421.5MB in the end (delta: 293.6MB). Free memory was 42.0MB in the beginning and 226.2MB in the end (delta: -184.2MB). Peak memory consumption was 246.5MB. Max. memory is 16.1GB. [2023-12-02 21:44:19,448 INFO L158 Benchmark]: CodeCheck took 50741.48ms. Allocated memory was 421.5MB in the beginning and 507.5MB in the end (delta: 86.0MB). Free memory was 226.2MB in the beginning and 363.8MB in the end (delta: -137.5MB). Peak memory consumption was 220.4MB. Max. memory is 16.1GB. [2023-12-02 21:44:19,450 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 0.32ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1118.76ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 73.1MB in the beginning and 51.0MB in the end (delta: 22.2MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 282.01ms. Allocated memory is still 127.9MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: -73.4kB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 289.48ms. Allocated memory is still 127.9MB. Free memory was 51.0MB in the beginning and 42.0MB in the end (delta: 9.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * RCFGBuilder took 19998.55ms. Allocated memory was 127.9MB in the beginning and 421.5MB in the end (delta: 293.6MB). Free memory was 42.0MB in the beginning and 226.2MB in the end (delta: -184.2MB). Peak memory consumption was 246.5MB. Max. memory is 16.1GB. * CodeCheck took 50741.48ms. Allocated memory was 421.5MB in the beginning and 507.5MB in the end (delta: 86.0MB). Free memory was 226.2MB in the beginning and 363.8MB in the end (delta: -137.5MB). Peak memory consumption was 220.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:44:19,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e23c1a-6e7e-4b8e-bce7-107be875ca28/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