./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/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 f81b33be7d54700fad342cfd31bb977b9c458b62d4b06d9125b9fdbd3a7cd3d4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:10:28,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:10:28,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:10:28,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:10:28,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:10:28,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:10:28,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:10:28,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:10:28,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:10:28,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:10:28,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:10:28,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:10:28,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:10:28,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:10:28,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:10:28,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:10:28,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:10:28,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:10:28,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:10:28,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:10:28,935 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:10:28,936 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:10:28,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:10:28,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:28,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:10:28,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:10:28,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:10:28,939 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:10:28,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:10:28,940 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:10:28,941 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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81b33be7d54700fad342cfd31bb977b9c458b62d4b06d9125b9fdbd3a7cd3d4 [2023-12-02 23:10:29,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:10:29,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:10:29,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:10:29,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:10:29,163 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:10:29,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c [2023-12-02 23:10:31,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:10:32,175 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:10:32,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c [2023-12-02 23:10:32,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/data/2766eab2b/aaae82039504495ca13647f5ad307e18/FLAG34bf08c71 [2023-12-02 23:10:32,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/data/2766eab2b/aaae82039504495ca13647f5ad307e18 [2023-12-02 23:10:32,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:10:32,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:10:32,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:32,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:10:32,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:10:32,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:32" (1/1) ... [2023-12-02 23:10:32,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d7224c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:32, skipping insertion in model container [2023-12-02 23:10:32,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:32" (1/1) ... [2023-12-02 23:10:32,289 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:10:32,463 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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c[1172,1185] [2023-12-02 23:10:33,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:33,020 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:10:33,032 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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c[1172,1185] [2023-12-02 23:10:33,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:33,297 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:10:33,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33 WrapperNode [2023-12-02 23:10:33,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:33,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:33,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:10:33,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:10:33,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:34,419 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13057 [2023-12-02 23:10:34,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:34,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:10:34,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:10:34,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:10:34,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:34,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:34,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:34,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:34,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:34,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:35,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:35,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:35,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:10:35,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:10:35,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:10:35,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:10:35,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:35,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:35,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:10:35,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:10:35,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:10:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:10:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:10:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:10:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:10:36,079 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:10:36,080 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:10:43,818 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:11:02,429 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:11:02,430 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:11:02,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:02 BoogieIcfgContainer [2023-12-02 23:11:02,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:11:02,432 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:11:02,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:11:02,439 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:11:02,439 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:11:02,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:02,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:11:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:11:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:11:02,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:02,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:13,419 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 23:11:24,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:11:34,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:11:44,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:54,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:56,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:03,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:13,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 23:12:13,612 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 23:12:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:12:13,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:13,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:12:25,900 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 23:12:25,903 INFO L158 Benchmark]: Toolchain (without parser) took 113692.98ms. Allocated memory was 172.0MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 136.2MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-12-02 23:12:25,904 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory was 85.5MB in the beginning and 85.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:12:25,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1087.17ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 88.0MB in the end (delta: 47.7MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2023-12-02 23:12:25,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 1120.35ms. Allocated memory was 172.0MB in the beginning and 532.7MB in the end (delta: 360.7MB). Free memory was 88.0MB in the beginning and 300.2MB in the end (delta: -212.1MB). Peak memory consumption was 181.7MB. Max. memory is 16.1GB. [2023-12-02 23:12:25,906 INFO L158 Benchmark]: Boogie Preprocessor took 1019.01ms. Allocated memory is still 532.7MB. Free memory was 300.2MB in the beginning and 255.1MB in the end (delta: 45.1MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2023-12-02 23:12:25,906 INFO L158 Benchmark]: RCFGBuilder took 26991.68ms. Allocated memory was 532.7MB in the beginning and 5.2GB in the end (delta: 4.7GB). Free memory was 255.1MB in the beginning and 4.4GB in the end (delta: -4.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-12-02 23:12:25,907 INFO L158 Benchmark]: CodeCheck took 83470.14ms. Allocated memory was 5.2GB in the beginning and 7.0GB in the end (delta: 1.7GB). Free memory was 4.4GB in the beginning and 5.9GB in the end (delta: -1.5GB). Peak memory consumption was 202.4MB. Max. memory is 16.1GB. [2023-12-02 23:12:25,910 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory was 85.5MB in the beginning and 85.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1087.17ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 88.0MB in the end (delta: 47.7MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1120.35ms. Allocated memory was 172.0MB in the beginning and 532.7MB in the end (delta: 360.7MB). Free memory was 88.0MB in the beginning and 300.2MB in the end (delta: -212.1MB). Peak memory consumption was 181.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1019.01ms. Allocated memory is still 532.7MB. Free memory was 300.2MB in the beginning and 255.1MB in the end (delta: 45.1MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. * RCFGBuilder took 26991.68ms. Allocated memory was 532.7MB in the beginning and 5.2GB in the end (delta: 4.7GB). Free memory was 255.1MB in the beginning and 4.4GB in the end (delta: -4.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 83470.14ms. Allocated memory was 5.2GB in the beginning and 7.0GB in the end (delta: 1.7GB). Free memory was 4.4GB in the beginning and 5.9GB in the end (delta: -1.5GB). Peak memory consumption was 202.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:12:26,122 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:12:26,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/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 f81b33be7d54700fad342cfd31bb977b9c458b62d4b06d9125b9fdbd3a7cd3d4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:12:28,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:12:28,268 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:12:28,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:12:28,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:12:28,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:12:28,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:12:28,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:12:28,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:12:28,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:12:28,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:12:28,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:12:28,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:12:28,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:12:28,304 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:12:28,304 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:12:28,305 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:12:28,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:12:28,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:12:28,306 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:12:28,307 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:12:28,308 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:12:28,308 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:28,309 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:12:28,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:12:28,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:12:28,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:12:28,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:12:28,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:12:28,312 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:12:28,312 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:28,312 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:12:28,313 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:12:28,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:12:28,313 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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81b33be7d54700fad342cfd31bb977b9c458b62d4b06d9125b9fdbd3a7cd3d4 [2023-12-02 23:12:28,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:12:28,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:12:28,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:12:28,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:12:28,614 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:12:28,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c [2023-12-02 23:12:31,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:12:31,679 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:12:31,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c [2023-12-02 23:12:31,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/data/b9a2ebea3/40bc0c14380e4a8483a066f2ccfb8bd8/FLAG26dc57a89 [2023-12-02 23:12:31,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/data/b9a2ebea3/40bc0c14380e4a8483a066f2ccfb8bd8 [2023-12-02 23:12:31,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:12:31,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:12:31,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:12:31,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:12:31,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:12:31,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:12:31" (1/1) ... [2023-12-02 23:12:31,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507a86e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:31, skipping insertion in model container [2023-12-02 23:12:31,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:12:31" (1/1) ... [2023-12-02 23:12:31,820 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:12:32,021 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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c[1172,1185] [2023-12-02 23:12:32,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:12:32,399 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:12:32,411 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_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-back-serstep.c[1172,1185] [2023-12-02 23:12:32,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:12:32,610 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:12:32,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32 WrapperNode [2023-12-02 23:12:32,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:12:32,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:12:32,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:12:32,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:12:32,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,804 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3320 [2023-12-02 23:12:32,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:12:32,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:12:32,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:12:32,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:12:32,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:12:32,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:12:32,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:12:32,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:12:32,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:32" (1/1) ... [2023-12-02 23:12:32,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:12:32,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:12:32,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:12:33,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:12:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:12:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:12:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:12:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:12:33,531 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:12:33,533 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:12:41,326 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:12:41,529 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:12:41,529 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:12:41,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:12:41 BoogieIcfgContainer [2023-12-02 23:12:41,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:12:41,532 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:12:41,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:12:41,541 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:12:41,541 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:12:41" (1/1) ... [2023-12-02 23:12:41,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:12:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:12:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:12:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:12:41,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:41,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:41,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:41,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:41,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:12:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:42,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:42,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:12:42,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:43,005 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 23:12:43,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:12:53,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:54,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:54,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:12:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:12:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:12:54,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:54,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:54,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:54,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:54,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:12:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:56,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:57,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 2856 conjuncts, 107 conjunts are in the unsatisfiable core [2023-12-02 23:12:57,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:12:58,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:13:02,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:04,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:15,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:17,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:20,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:13:22,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:13:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 23:13:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 23:13:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:13:23,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:23,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:23,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:23,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:23,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:13:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:27,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:28,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 5322 conjuncts, 360 conjunts are in the unsatisfiable core [2023-12-02 23:13:28,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:43,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 23:14:43,116 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 23:14:43,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c205edb-d2fe-4504-9fc2-f1ea2c9282cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:14:43,153 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) 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 23:14:43,157 INFO L158 Benchmark]: Toolchain (without parser) took 131436.87ms. Allocated memory was 104.9MB in the beginning and 580.9MB in the end (delta: 476.1MB). Free memory was 77.0MB in the beginning and 378.3MB in the end (delta: -301.3MB). Peak memory consumption was 422.4MB. Max. memory is 16.1GB. [2023-12-02 23:14:43,157 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:14:43,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.62ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 58.5MB in the end (delta: 18.4MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-12-02 23:14:43,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.15ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 58.5MB in the beginning and 73.9MB in the end (delta: -15.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-12-02 23:14:43,159 INFO L158 Benchmark]: Boogie Preprocessor took 160.17ms. Allocated memory is still 125.8MB. Free memory was 73.9MB in the beginning and 59.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:14:43,160 INFO L158 Benchmark]: RCFGBuilder took 8564.21ms. Allocated memory was 125.8MB in the beginning and 308.3MB in the end (delta: 182.5MB). Free memory was 59.2MB in the beginning and 214.4MB in the end (delta: -155.2MB). Peak memory consumption was 148.4MB. Max. memory is 16.1GB. [2023-12-02 23:14:43,161 INFO L158 Benchmark]: CodeCheck took 121624.08ms. Allocated memory was 308.3MB in the beginning and 580.9MB in the end (delta: 272.6MB). Free memory was 214.4MB in the beginning and 378.3MB in the end (delta: -163.8MB). Peak memory consumption was 354.8MB. Max. memory is 16.1GB. [2023-12-02 23:14:43,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.62ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 58.5MB in the end (delta: 18.4MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.15ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 58.5MB in the beginning and 73.9MB in the end (delta: -15.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.17ms. Allocated memory is still 125.8MB. Free memory was 73.9MB in the beginning and 59.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 8564.21ms. Allocated memory was 125.8MB in the beginning and 308.3MB in the end (delta: 182.5MB). Free memory was 59.2MB in the beginning and 214.4MB in the end (delta: -155.2MB). Peak memory consumption was 148.4MB. Max. memory is 16.1GB. * CodeCheck took 121624.08ms. Allocated memory was 308.3MB in the beginning and 580.9MB in the end (delta: 272.6MB). Free memory was 214.4MB in the beginning and 378.3MB in the end (delta: -163.8MB). Peak memory consumption was 354.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants