./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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 10dc9fcea2dd45cecb0fd18dda998cf9f55d7259aa17057cf3256024aa0864eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:30:52,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:30:52,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:30:52,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:30:52,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:30:52,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:30:52,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:30:52,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:30:52,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:30:52,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:30:52,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:30:52,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:30:52,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:30:52,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:30:52,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:30:52,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:30:52,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:30:52,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:30:52,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:30:52,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:30:52,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:30:52,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:30:52,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:30:52,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:30:52,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:30:52,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:30:52,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:30:52,171 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:30:52,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:30:52,172 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:30:52,172 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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10dc9fcea2dd45cecb0fd18dda998cf9f55d7259aa17057cf3256024aa0864eb [2023-12-02 22:30:52,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:30:52,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:30:52,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:30:52,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:30:52,419 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:30:52,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c [2023-12-02 22:30:55,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:30:55,494 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:30:55,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c [2023-12-02 22:30:55,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/data/09bb8c4c7/7b5ae97338c14071aa8a8db8f0d9948d/FLAG9a43ed47e [2023-12-02 22:30:55,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/data/09bb8c4c7/7b5ae97338c14071aa8a8db8f0d9948d [2023-12-02 22:30:55,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:30:55,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:30:55,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:30:55,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:30:55,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:30:55,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:30:55" (1/1) ... [2023-12-02 22:30:55,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67254b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:55, skipping insertion in model container [2023-12-02 22:30:55,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:30:55" (1/1) ... [2023-12-02 22:30:55,677 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:30:55,886 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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c[1175,1188] [2023-12-02 22:30:56,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:30:56,688 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:30:56,697 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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c[1175,1188] [2023-12-02 22:30:57,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:30:57,461 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:30:57,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57 WrapperNode [2023-12-02 22:30:57,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:30:57,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:30:57,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:30:57,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:30:57,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:30:57,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:00,205 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33905 [2023-12-02 22:31:00,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:31:00,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:31:00,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:31:00,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:31:00,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:00,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:00,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:00,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:01,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:01,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:02,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:02,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:02,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:31:02,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:31:02,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:31:02,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:31:02,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:57" (1/1) ... [2023-12-02 22:31:02,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:31:02,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:31:02,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:31:02,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:31:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:31:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:31:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:31:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:31:04,129 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:31:04,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:31:30,985 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:32:33,605 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:32:33,606 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:32:33,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:32:33 BoogieIcfgContainer [2023-12-02 22:32:33,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:32:33,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:32:33,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:32:33,615 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:32:33,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:32:33" (1/1) ... [2023-12-02 22:32:33,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:32:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:32:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:32:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:32:33,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:33,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:32:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:33:04,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:33:14,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:33:25,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:33:35,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:33:37,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:33:38,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:33:40,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:33:50,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:33:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 22:33:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 22:33:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:33:51,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:51,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:34:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:34:05,907 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:34:05,911 INFO L158 Benchmark]: Toolchain (without parser) took 190373.63ms. Allocated memory was 167.8MB in the beginning and 11.4GB in the end (delta: 11.2GB). Free memory was 123.2MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2023-12-02 22:34:05,912 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:34:05,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1924.04ms. Allocated memory was 167.8MB in the beginning and 257.9MB in the end (delta: 90.2MB). Free memory was 123.2MB in the beginning and 89.9MB in the end (delta: 33.3MB). Peak memory consumption was 193.2MB. Max. memory is 16.1GB. [2023-12-02 22:34:05,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 2742.88ms. Allocated memory was 257.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 89.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 449.9MB. Max. memory is 16.1GB. [2023-12-02 22:34:05,914 INFO L158 Benchmark]: Boogie Preprocessor took 2567.99ms. Allocated memory is still 2.4GB. Free memory was 1.9GB in the beginning and 1.7GB in the end (delta: 179.3MB). Peak memory consumption was 249.6MB. Max. memory is 16.1GB. [2023-12-02 22:34:05,915 INFO L158 Benchmark]: RCFGBuilder took 90832.12ms. Allocated memory was 2.4GB in the beginning and 10.4GB in the end (delta: 7.9GB). Free memory was 1.7GB in the beginning and 8.1GB in the end (delta: -6.4GB). Peak memory consumption was 4.4GB. Max. memory is 16.1GB. [2023-12-02 22:34:05,916 INFO L158 Benchmark]: CodeCheck took 92302.32ms. Allocated memory was 10.4GB in the beginning and 11.4GB in the end (delta: 1.0GB). Free memory was 8.1GB in the beginning and 9.0GB in the end (delta: -889.0MB). Peak memory consumption was 134.4MB. Max. memory is 16.1GB. [2023-12-02 22:34:05,920 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 0.14ms. Allocated memory is still 123.7MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1924.04ms. Allocated memory was 167.8MB in the beginning and 257.9MB in the end (delta: 90.2MB). Free memory was 123.2MB in the beginning and 89.9MB in the end (delta: 33.3MB). Peak memory consumption was 193.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2742.88ms. Allocated memory was 257.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 89.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 449.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2567.99ms. Allocated memory is still 2.4GB. Free memory was 1.9GB in the beginning and 1.7GB in the end (delta: 179.3MB). Peak memory consumption was 249.6MB. Max. memory is 16.1GB. * RCFGBuilder took 90832.12ms. Allocated memory was 2.4GB in the beginning and 10.4GB in the end (delta: 7.9GB). Free memory was 1.7GB in the beginning and 8.1GB in the end (delta: -6.4GB). Peak memory consumption was 4.4GB. Max. memory is 16.1GB. * CodeCheck took 92302.32ms. Allocated memory was 10.4GB in the beginning and 11.4GB in the end (delta: 1.0GB). Free memory was 8.1GB in the beginning and 9.0GB in the end (delta: -889.0MB). Peak memory consumption was 134.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:34:06,132 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:34:06,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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 10dc9fcea2dd45cecb0fd18dda998cf9f55d7259aa17057cf3256024aa0864eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:34:08,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:34:08,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:34:08,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:34:08,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:34:08,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:34:08,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:34:08,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:34:08,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:34:08,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:34:08,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:34:08,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:34:08,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:34:08,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:34:08,469 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:34:08,469 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:34:08,470 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:34:08,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:34:08,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:34:08,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:34:08,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:34:08,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:34:08,473 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:08,474 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:34:08,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:34:08,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:34:08,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:34:08,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:34:08,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:34:08,476 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:34:08,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:08,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:34:08,478 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:34:08,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:34:08,478 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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10dc9fcea2dd45cecb0fd18dda998cf9f55d7259aa17057cf3256024aa0864eb [2023-12-02 22:34:08,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:34:08,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:34:08,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:34:08,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:34:08,773 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:34:08,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c [2023-12-02 22:34:11,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:34:11,929 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:34:11,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c [2023-12-02 22:34:11,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/data/d4a24b884/bd9e1a0a522d4ba3a2504c7d6d7804b5/FLAG5502593a2 [2023-12-02 22:34:11,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/data/d4a24b884/bd9e1a0a522d4ba3a2504c7d6d7804b5 [2023-12-02 22:34:11,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:34:11,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:34:11,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:34:11,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:34:11,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:34:11,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:34:11" (1/1) ... [2023-12-02 22:34:11,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a07b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:11, skipping insertion in model container [2023-12-02 22:34:11,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:34:11" (1/1) ... [2023-12-02 22:34:12,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:34:12,319 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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c[1175,1188] [2023-12-02 22:34:12,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:34:13,003 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:34:13,016 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_d4d4c227-c828-45c8-b16f-93adc3b14bd9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-back-serstep.c[1175,1188] [2023-12-02 22:34:13,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:34:13,526 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:34:13,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13 WrapperNode [2023-12-02 22:34:13,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:34:13,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:34:13,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:34:13,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:34:13,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:13,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,038 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9159 [2023-12-02 22:34:14,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:34:14,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:34:14,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:34:14,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:34:14,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:34:14,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:34:14,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:34:14,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:34:14,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:13" (1/1) ... [2023-12-02 22:34:14,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:34:14,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:34:14,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:34:14,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:34:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:34:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:34:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:34:14,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:34:15,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:34:15,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:34:57,525 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:34:57,925 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:34:57,925 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:34:57,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:34:57 BoogieIcfgContainer [2023-12-02 22:34:57,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:34:57,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:34:57,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:34:57,937 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:34:57,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:34:57" (1/1) ... [2023-12-02 22:34:57,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:34:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:34:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:34:57,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:34:57,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:57,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:57,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:58,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:58,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:35:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:00,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:00,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:35:00,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:01,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:01,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:35:11,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:15,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:35:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:35:16,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:16,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:16,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:16,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:16,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:16,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:35:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:22,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:35:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:25,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 7986 conjuncts, 105 conjunts are in the unsatisfiable core [2023-12-02 22:35:25,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:26,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:35:34,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:44,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:35:56,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:05,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.92s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:07,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:19,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:30,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:39,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 22:36:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 22:36:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:36:39,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:39,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:36:39,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:36:39,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:36:39,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:36:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:50,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:54,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 15372 conjuncts, 524 conjunts are in the unsatisfiable core [2023-12-02 22:36:54,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:52,093 WARN L293 SmtUtils]: Spent 33.11s on a formula simplification. DAG size of input: 1016 DAG size of output: 1010 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:38:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:54,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:39:10,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.74s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:39:45,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:39:55,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:40:00,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:40:17,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:40:30,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:40:54,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:41:03,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.33s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:42:03,825 WARN L293 SmtUtils]: Spent 22.92s on a formula simplification. DAG size of input: 1018 DAG size of output: 1016 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:42:21,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 22:42:21,042 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/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 22:42:21,043 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:915) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:472) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2023-12-02 22:42:21,048 INFO L158 Benchmark]: Toolchain (without parser) took 489075.57ms. Allocated memory was 113.2MB in the beginning and 834.7MB in the end (delta: 721.4MB). Free memory was 76.5MB in the beginning and 535.6MB in the end (delta: -459.1MB). Peak memory consumption was 695.9MB. Max. memory is 16.1GB. [2023-12-02 22:42:21,048 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:42:21,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1555.33ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 76.2MB in the beginning and 56.0MB in the end (delta: 20.1MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2023-12-02 22:42:21,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 510.05ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 56.0MB in the beginning and 92.3MB in the end (delta: -36.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-02 22:42:21,050 INFO L158 Benchmark]: Boogie Preprocessor took 437.81ms. Allocated memory is still 211.8MB. Free memory was 92.3MB in the beginning and 71.6MB in the end (delta: 20.7MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-12-02 22:42:21,051 INFO L158 Benchmark]: RCFGBuilder took 43448.25ms. Allocated memory was 211.8MB in the beginning and 562.0MB in the end (delta: 350.2MB). Free memory was 71.6MB in the beginning and 182.9MB in the end (delta: -111.3MB). Peak memory consumption was 350.1MB. Max. memory is 16.1GB. [2023-12-02 22:42:21,051 INFO L158 Benchmark]: CodeCheck took 443118.88ms. Allocated memory was 562.0MB in the beginning and 834.7MB in the end (delta: 272.6MB). Free memory was 182.9MB in the beginning and 535.6MB in the end (delta: -352.8MB). Peak memory consumption was 352.9MB. Max. memory is 16.1GB. [2023-12-02 22:42:21,055 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1555.33ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 76.2MB in the beginning and 56.0MB in the end (delta: 20.1MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 510.05ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 56.0MB in the beginning and 92.3MB in the end (delta: -36.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 437.81ms. Allocated memory is still 211.8MB. Free memory was 92.3MB in the beginning and 71.6MB in the end (delta: 20.7MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * RCFGBuilder took 43448.25ms. Allocated memory was 211.8MB in the beginning and 562.0MB in the end (delta: 350.2MB). Free memory was 71.6MB in the beginning and 182.9MB in the end (delta: -111.3MB). Peak memory consumption was 350.1MB. Max. memory is 16.1GB. * CodeCheck took 443118.88ms. Allocated memory was 562.0MB in the beginning and 834.7MB in the end (delta: 272.6MB). Free memory was 182.9MB in the beginning and 535.6MB in the end (delta: -352.8MB). Peak memory consumption was 352.9MB. 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: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d4c227-c828-45c8-b16f-93adc3b14bd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")