./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/relu_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/relu_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd7d1e4eb6c3f5359b86b2d2930074420972d3a8e20666b3b76acc3b646c07b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:48:51,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:48:52,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:48:52,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:48:52,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:48:52,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:48:52,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:48:52,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:48:52,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:48:52,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:48:52,078 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:48:52,079 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:48:52,079 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:48:52,080 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:48:52,080 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:48:52,081 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:48:52,081 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:48:52,082 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:48:52,082 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:48:52,083 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:48:52,084 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:48:52,084 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:48:52,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:48:52,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:48:52,086 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:48:52,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:48:52,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:48:52,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:48:52,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:48:52,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:48:52,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:48:52,113 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:48:52,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:48:52,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:48:52,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:48:52,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:48:52,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:48:52,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:48:52,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:48:52,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:48:52,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:48:52,117 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:48:52,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:48:52,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:48:52,117 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:48:52,118 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:48:52,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:48:52,118 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd7d1e4eb6c3f5359b86b2d2930074420972d3a8e20666b3b76acc3b646c07b3 [2023-11-21 19:48:52,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:48:52,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:48:52,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:48:52,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:48:52,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:48:52,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/neural-networks/relu_0_safe.c-amalgamation.i [2023-11-21 19:48:55,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:48:55,861 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:48:55,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/sv-benchmarks/c/neural-networks/relu_0_safe.c-amalgamation.i [2023-11-21 19:48:55,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/data/135897253/f112c5a3c3864d6984c8dbd39ad7ab95/FLAG40dd25cb4 [2023-11-21 19:48:55,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/data/135897253/f112c5a3c3864d6984c8dbd39ad7ab95 [2023-11-21 19:48:55,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:48:55,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:48:55,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:48:55,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:48:55,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:48:55,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:55,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f465618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55, skipping insertion in model container [2023-11-21 19:48:55,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:55,984 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:48:56,276 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:48:56,901 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:617) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:2221) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2096) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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) [2023-11-21 19:48:56,907 INFO L158 Benchmark]: Toolchain (without parser) took 994.01ms. Allocated memory is still 176.2MB. Free memory was 145.7MB in the beginning and 130.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 19:48:56,908 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:48:56,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 991.66ms. Allocated memory is still 176.2MB. Free memory was 145.5MB in the beginning and 130.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 19:48:56,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 991.66ms. Allocated memory is still 176.2MB. Free memory was 145.5MB in the beginning and 130.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:617) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/relu_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd7d1e4eb6c3f5359b86b2d2930074420972d3a8e20666b3b76acc3b646c07b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:48:59,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:48:59,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-21 19:48:59,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:48:59,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:48:59,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:48:59,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:48:59,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:48:59,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:48:59,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:48:59,599 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:48:59,599 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:48:59,600 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:48:59,601 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:48:59,602 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:48:59,602 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:48:59,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:48:59,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:48:59,604 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:48:59,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:48:59,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:48:59,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:48:59,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:48:59,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:48:59,608 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:48:59,608 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:48:59,608 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:48:59,609 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:48:59,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:48:59,610 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:48:59,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:48:59,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:48:59,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:48:59,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:48:59,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:48:59,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:48:59,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:48:59,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:48:59,614 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:48:59,615 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:48:59,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:48:59,615 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:48:59,616 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:48:59,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:48:59,616 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_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd7d1e4eb6c3f5359b86b2d2930074420972d3a8e20666b3b76acc3b646c07b3 [2023-11-21 19:49:00,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:49:00,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:49:00,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:49:00,052 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:49:00,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:49:00,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/neural-networks/relu_0_safe.c-amalgamation.i [2023-11-21 19:49:03,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:49:03,420 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:49:03,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/sv-benchmarks/c/neural-networks/relu_0_safe.c-amalgamation.i [2023-11-21 19:49:03,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/data/c902efe9f/be59ff032c1d4e529f43048ba63eb92e/FLAGef775de02 [2023-11-21 19:49:03,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/data/c902efe9f/be59ff032c1d4e529f43048ba63eb92e [2023-11-21 19:49:03,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:49:03,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:49:03,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:49:03,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:49:03,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:49:03,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:49:03" (1/1) ... [2023-11-21 19:49:03,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b201545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:03, skipping insertion in model container [2023-11-21 19:49:03,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:49:03" (1/1) ... [2023-11-21 19:49:03,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:49:03,819 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:49:04,198 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_240ffc5c-39f5-4c33-8c38-47e45232894b/sv-benchmarks/c/neural-networks/relu_0_safe.c-amalgamation.i[63031,63044] [2023-11-21 19:49:04,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:49:04,218 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:49:04,256 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:49:04,321 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_240ffc5c-39f5-4c33-8c38-47e45232894b/sv-benchmarks/c/neural-networks/relu_0_safe.c-amalgamation.i[63031,63044] [2023-11-21 19:49:04,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:49:04,548 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:49:04,556 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:49:04,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04 WrapperNode [2023-11-21 19:49:04,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:49:04,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:49:04,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:49:04,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:49:04,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,642 INFO L138 Inliner]: procedures = 560, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-11-21 19:49:04,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:49:04,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:49:04,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:49:04,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:49:04,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:49:04,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:49:04,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:49:04,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:49:04,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (1/1) ... [2023-11-21 19:49:04,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:49:04,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:49:04,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:49:04,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:49:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 19:49:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:49:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:49:04,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:49:04,905 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:49:04,908 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:49:05,084 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:49:05,155 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:49:05,156 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:49:05,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:49:05 BoogieIcfgContainer [2023-11-21 19:49:05,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:49:05,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:49:05,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:49:05,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:49:05,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:49:03" (1/3) ... [2023-11-21 19:49:05,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284ef3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:49:05, skipping insertion in model container [2023-11-21 19:49:05,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:04" (2/3) ... [2023-11-21 19:49:05,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284ef3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:49:05, skipping insertion in model container [2023-11-21 19:49:05,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:49:05" (3/3) ... [2023-11-21 19:49:05,167 INFO L112 eAbstractionObserver]: Analyzing ICFG relu_0_safe.c-amalgamation.i [2023-11-21 19:49:05,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:49:05,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:49:05,238 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:49:05,246 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7649b8f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:49:05,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:49:05,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:49:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 19:49:05,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:49:05,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 19:49:05,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:49:05,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:49:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash 59070, now seen corresponding path program 1 times [2023-11-21 19:49:05,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:49:05,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918463491] [2023-11-21 19:49:05,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:49:05,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 19:49:05,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:49:05,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 19:49:05,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 19:49:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:49:05,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 19:49:05,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:49:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:49:05,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:49:05,560 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-21 19:49:05,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918463491] [2023-11-21 19:49:05,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918463491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:49:05,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:49:05,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:49:05,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890146922] [2023-11-21 19:49:05,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:49:05,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:49:05,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-21 19:49:05,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:49:05,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:49:05,624 INFO L87 Difference]: Start difference. First operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:49:05,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:49:05,678 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2023-11-21 19:49:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:49:05,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-21 19:49:05,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:49:05,687 INFO L225 Difference]: With dead ends: 8 [2023-11-21 19:49:05,687 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:49:05,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:49:05,694 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:49:05,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 0 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:49:05,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:49:05,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:49:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:49:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:49:05,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2023-11-21 19:49:05,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:49:05,725 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:49:05,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:49:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:49:05,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:49:05,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:49:05,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 19:49:05,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 19:49:05,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 19:49:05,936 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:49:05,937 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 854) no Hoare annotation was computed. [2023-11-21 19:49:05,937 INFO L899 garLoopResultBuilder]: For program point L854(line 854) no Hoare annotation was computed. [2023-11-21 19:49:05,937 INFO L899 garLoopResultBuilder]: For program point L854-1(line 854) no Hoare annotation was computed. [2023-11-21 19:49:05,937 INFO L899 garLoopResultBuilder]: For program point L854-3(line 854) no Hoare annotation was computed. [2023-11-21 19:49:05,938 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 19:49:05,941 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:49:05,944 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:49:05,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:49:05 BoogieIcfgContainer [2023-11-21 19:49:05,950 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:49:05,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:49:05,951 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:49:05,951 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:49:05,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:49:05" (3/4) ... [2023-11-21 19:49:05,953 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:49:05,961 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-21 19:49:05,962 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 19:49:05,962 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 19:49:05,962 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:49:05,962 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:49:06,062 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:49:06,063 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:49:06,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:49:06,064 INFO L158 Benchmark]: Toolchain (without parser) took 2596.66ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 57.4MB in the beginning and 64.9MB in the end (delta: -7.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-21 19:49:06,065 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 59.6MB in the end (delta: 158.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:49:06,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1088.55ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 57.2MB in the beginning and 72.9MB in the end (delta: -15.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-21 19:49:06,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.67ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:49:06,067 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 68.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:49:06,067 INFO L158 Benchmark]: RCFGBuilder took 486.40ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 90.7MB in the end (delta: -22.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 19:49:06,068 INFO L158 Benchmark]: TraceAbstraction took 789.89ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 69.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 19:49:06,068 INFO L158 Benchmark]: Witness Printer took 112.88ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 19:49:06,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 59.6MB in the end (delta: 158.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1088.55ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 57.2MB in the beginning and 72.9MB in the end (delta: -15.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.67ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 68.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.40ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 90.7MB in the end (delta: -22.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 789.89ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 69.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 112.88ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 854]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 1 QuantifiedInterpolants, 11 SizeOfPredicates, 4 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 19:49:06,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240ffc5c-39f5-4c33-8c38-47e45232894b/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE