./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/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 d075c9bde33ccbcdceb96a0c69964ffaf31322f8f731139fa605ec9d8bb36b25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:37:35,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:37:35,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:37:35,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:37:35,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:37:35,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:37:35,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:37:35,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:37:35,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:37:35,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:37:35,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:37:35,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:37:35,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:37:35,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:37:35,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:37:35,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:37:35,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:37:35,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:37:35,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:37:35,949 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:37:35,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:37:35,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:37:35,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:37:35,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:37:35,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:37:35,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:37:35,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:37:35,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:37:35,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:37:35,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:37:35,954 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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d075c9bde33ccbcdceb96a0c69964ffaf31322f8f731139fa605ec9d8bb36b25 [2023-12-02 23:37:36,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:37:36,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:37:36,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:37:36,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:37:36,184 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:37:36,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c [2023-12-02 23:37:38,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:37:39,386 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:37:39,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c [2023-12-02 23:37:39,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/data/c72e753e7/a7fd1322a5e14320810f63bd3c389cfe/FLAG241407f9e [2023-12-02 23:37:39,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/data/c72e753e7/a7fd1322a5e14320810f63bd3c389cfe [2023-12-02 23:37:39,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:37:39,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:37:39,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:37:39,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:37:39,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:37:39,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:39" (1/1) ... [2023-12-02 23:37:39,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a0f952d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:39, skipping insertion in model container [2023-12-02 23:37:39,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:39" (1/1) ... [2023-12-02 23:37:39,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:37:40,023 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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c[1180,1193] [2023-12-02 23:37:41,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:37:41,392 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:37:41,405 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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c[1180,1193] [2023-12-02 23:37:42,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:37:42,497 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:37:42,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42 WrapperNode [2023-12-02 23:37:42,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:37:42,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:37:42,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:37:42,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:37:42,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:42,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:46,317 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55715 [2023-12-02 23:37:46,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:37:46,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:37:46,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:37:46,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:37:46,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:46,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:47,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:47,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:48,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:48,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:48,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:48,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:49,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:37:49,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:37:49,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:37:49,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:37:49,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:42" (1/1) ... [2023-12-02 23:37:49,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:37:49,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:37:49,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:37:49,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:37:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:37:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:37:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:37:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:37:51,316 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:37:51,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:38:17,572 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:40:36,025 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:40:36,025 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:40:36,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:36 BoogieIcfgContainer [2023-12-02 23:40:36,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:40:36,027 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:40:36,027 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:40:36,034 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:40:36,034 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:36" (1/1) ... [2023-12-02 23:40:36,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:40:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:36,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:40:36,078 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:40:36,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:40:36,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:36,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:37,268 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 23:41:50,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:42:00,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:42:03,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:13,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:23,910 WARN L539 Checker$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 23:42:34,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:43,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.42s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:53,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:03,740 WARN L539 Checker$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 23:43:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 23:43:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 23:43:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:43:03,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:03,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:43:28,287 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 23:43:28,291 INFO L158 Benchmark]: Toolchain (without parser) took 348836.90ms. Allocated memory was 172.0MB in the beginning and 14.9GB in the end (delta: 14.7GB). Free memory was 101.9MB in the beginning and 11.1GB in the end (delta: -11.0GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2023-12-02 23:43:28,291 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:43:28,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3043.29ms. Allocated memory was 172.0MB in the beginning and 673.2MB in the end (delta: 501.2MB). Free memory was 101.9MB in the beginning and 406.1MB in the end (delta: -304.2MB). Peak memory consumption was 268.8MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 3817.81ms. Allocated memory was 673.2MB in the beginning and 5.3GB in the end (delta: 4.7GB). Free memory was 406.1MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 708.8MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,293 INFO L158 Benchmark]: Boogie Preprocessor took 3107.76ms. Allocated memory is still 5.3GB. Free memory was 4.4GB in the beginning and 4.2GB in the end (delta: 249.6MB). Peak memory consumption was 484.4MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,294 INFO L158 Benchmark]: RCFGBuilder took 166600.63ms. Allocated memory was 5.3GB in the beginning and 14.7GB in the end (delta: 9.4GB). Free memory was 4.2GB in the beginning and 11.5GB in the end (delta: -7.3GB). Peak memory consumption was 6.8GB. Max. memory is 16.1GB. [2023-12-02 23:43:28,294 INFO L158 Benchmark]: CodeCheck took 172262.48ms. Allocated memory was 14.7GB in the beginning and 14.9GB in the end (delta: 188.7MB). Free memory was 11.5GB in the beginning and 11.1GB in the end (delta: 348.1MB). Peak memory consumption was 811.6MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,298 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 0.16ms. Allocated memory is still 121.6MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3043.29ms. Allocated memory was 172.0MB in the beginning and 673.2MB in the end (delta: 501.2MB). Free memory was 101.9MB in the beginning and 406.1MB in the end (delta: -304.2MB). Peak memory consumption was 268.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3817.81ms. Allocated memory was 673.2MB in the beginning and 5.3GB in the end (delta: 4.7GB). Free memory was 406.1MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 708.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3107.76ms. Allocated memory is still 5.3GB. Free memory was 4.4GB in the beginning and 4.2GB in the end (delta: 249.6MB). Peak memory consumption was 484.4MB. Max. memory is 16.1GB. * RCFGBuilder took 166600.63ms. Allocated memory was 5.3GB in the beginning and 14.7GB in the end (delta: 9.4GB). Free memory was 4.2GB in the beginning and 11.5GB in the end (delta: -7.3GB). Peak memory consumption was 6.8GB. Max. memory is 16.1GB. * CodeCheck took 172262.48ms. Allocated memory was 14.7GB in the beginning and 14.9GB in the end (delta: 188.7MB). Free memory was 11.5GB in the beginning and 11.1GB in the end (delta: 348.1MB). Peak memory consumption was 811.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:43:28,509 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:43:28,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/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 d075c9bde33ccbcdceb96a0c69964ffaf31322f8f731139fa605ec9d8bb36b25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:43:30,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:43:30,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:43:31,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:43:31,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:43:31,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:43:31,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:43:31,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:43:31,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:43:31,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:43:31,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:43:31,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:43:31,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:43:31,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:43:31,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:43:31,017 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:43:31,017 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:43:31,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:43:31,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:43:31,019 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:43:31,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:43:31,020 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:43:31,021 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:31,021 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:43:31,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:43:31,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:43:31,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:43:31,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:43:31,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:43:31,024 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:43:31,025 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:31,025 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:43:31,025 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:43:31,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:43:31,026 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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d075c9bde33ccbcdceb96a0c69964ffaf31322f8f731139fa605ec9d8bb36b25 [2023-12-02 23:43:31,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:43:31,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:43:31,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:43:31,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:43:31,329 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:43:31,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c [2023-12-02 23:43:34,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:43:34,649 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:43:34,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c [2023-12-02 23:43:34,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/data/060c1be90/0568af9844e44172a114cb526334f0d5/FLAG00442346f [2023-12-02 23:43:34,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/data/060c1be90/0568af9844e44172a114cb526334f0d5 [2023-12-02 23:43:34,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:43:34,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:43:34,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:43:34,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:43:34,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:43:34,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:34" (1/1) ... [2023-12-02 23:43:34,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2abe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:34, skipping insertion in model container [2023-12-02 23:43:34,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:34" (1/1) ... [2023-12-02 23:43:34,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:43:35,141 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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c[1180,1193] [2023-12-02 23:43:36,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:43:36,219 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:43:36,235 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_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop2-back-serstep.c[1180,1193] [2023-12-02 23:43:37,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:43:37,088 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:43:37,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37 WrapperNode [2023-12-02 23:43:37,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:43:37,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:43:37,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:43:37,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:43:37,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:37,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:37,633 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16016 [2023-12-02 23:43:37,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:43:37,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:43:37,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:43:37,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:43:37,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:37,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:37,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:37,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:37,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:37,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:37,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:38,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:38,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:43:38,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:43:38,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:43:38,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:43:38,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:37" (1/1) ... [2023-12-02 23:43:38,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:43:38,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:43:38,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:43:38,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:43:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:43:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:43:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:43:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:43:39,954 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:43:39,956 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:45:08,317 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:45:08,853 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:45:08,854 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:45:08,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:08 BoogieIcfgContainer [2023-12-02 23:45:08,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:45:08,856 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:45:08,856 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:45:08,865 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:45:08,866 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:08" (1/1) ... [2023-12-02 23:45:08,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:45:08,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:08,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:45:08,925 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:45:08,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:45:08,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:08,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:08,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:08,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:08,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:45:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:12,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:13,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 1498 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:45:13,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:13,763 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 23:45:13,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:24,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:34,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:35,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:45:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:45:35,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:45:35,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:35,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:35,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:35,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:35,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:45:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:45,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:45:58,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:45:58,617 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 23:45:58,620 INFO L158 Benchmark]: Toolchain (without parser) took 143917.75ms. Allocated memory was 98.6MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 62.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 673.0MB. Max. memory is 16.1GB. [2023-12-02 23:45:58,620 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:58,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2386.48ms. Allocated memory was 98.6MB in the beginning and 381.7MB in the end (delta: 283.1MB). Free memory was 62.0MB in the beginning and 209.0MB in the end (delta: -147.0MB). Peak memory consumption was 134.9MB. Max. memory is 16.1GB. [2023-12-02 23:45:58,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 543.10ms. Allocated memory is still 381.7MB. Free memory was 209.0MB in the beginning and 156.6MB in the end (delta: 52.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-12-02 23:45:58,622 INFO L158 Benchmark]: Boogie Preprocessor took 497.64ms. Allocated memory is still 381.7MB. Free memory was 156.6MB in the beginning and 172.3MB in the end (delta: -15.7MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2023-12-02 23:45:58,623 INFO L158 Benchmark]: RCFGBuilder took 90722.96ms. Allocated memory was 381.7MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 172.3MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-12-02 23:45:58,623 INFO L158 Benchmark]: CodeCheck took 49763.46ms. Allocated memory is still 2.1GB. Free memory was 1.6GB in the beginning and 1.4GB in the end (delta: 239.9MB). Peak memory consumption was 241.0MB. Max. memory is 16.1GB. [2023-12-02 23:45:58,625 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 0.34ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2386.48ms. Allocated memory was 98.6MB in the beginning and 381.7MB in the end (delta: 283.1MB). Free memory was 62.0MB in the beginning and 209.0MB in the end (delta: -147.0MB). Peak memory consumption was 134.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 543.10ms. Allocated memory is still 381.7MB. Free memory was 209.0MB in the beginning and 156.6MB in the end (delta: 52.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 497.64ms. Allocated memory is still 381.7MB. Free memory was 156.6MB in the beginning and 172.3MB in the end (delta: -15.7MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * RCFGBuilder took 90722.96ms. Allocated memory was 381.7MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 172.3MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 49763.46ms. Allocated memory is still 2.1GB. Free memory was 1.6GB in the beginning and 1.4GB in the end (delta: 239.9MB). Peak memory consumption was 241.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:45:58,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33160ff9-ce1d-4e9a-b5e7-2953d99aad7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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