./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b --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 32bit --witnessprinter.graph.data.programhash c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:48:51,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:48:51,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:48:51,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:48:51,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:48:51,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:48:51,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:48:51,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:48:51,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:48:51,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:48:51,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:48:51,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:48:51,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:48:51,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:48:51,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:48:51,638 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:48:51,638 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:48:51,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:48:51,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:51,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:48:51,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:48:51,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:48:51,639 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:48:51,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:48:51,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 [2024-12-06 03:48:51,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:48:51,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:48:51,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:48:51,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:48:51,862 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:48:51,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2024-12-06 03:48:54,478 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data/badb18bfb/30f48bfe01e74f0e8b7d03d5c9e1ed66/FLAGb246fcef1 [2024-12-06 03:48:54,817 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:48:54,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2024-12-06 03:48:54,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data/badb18bfb/30f48bfe01e74f0e8b7d03d5c9e1ed66/FLAGb246fcef1 [2024-12-06 03:48:54,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data/badb18bfb/30f48bfe01e74f0e8b7d03d5c9e1ed66 [2024-12-06 03:48:54,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:48:54,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:48:54,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:48:54,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:48:54,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:48:54,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:54" (1/1) ... [2024-12-06 03:48:54,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd8870f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:54, skipping insertion in model container [2024-12-06 03:48:54,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:54" (1/1) ... [2024-12-06 03:48:54,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:48:55,819 WARN L250 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_0e8b03f6-90cb-4076-8717-7a03729ae5de/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2024-12-06 03:48:56,043 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: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1554) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:48:56,049 INFO L158 Benchmark]: Toolchain (without parser) took 1191.96ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 83.5MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:48:56,049 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:56,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1189.56ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 83.5MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:48:56,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1189.56ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 83.5MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b --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 32bit --witnessprinter.graph.data.programhash c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:48:57,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:48:57,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:48:57,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:48:57,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:48:57,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:48:57,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:48:57,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:48:57,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:48:57,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:48:57,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:48:57,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:48:57,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:48:57,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:48:57,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:48:57,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:48:57,974 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:48:57,974 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:48:57,975 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:48:57,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:48:57,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:57,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:48:57,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:48:57,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:48:57,975 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:48:57,975 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:48:57,975 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:48:57,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 [2024-12-06 03:48:58,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:48:58,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:48:58,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:48:58,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:48:58,216 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:48:58,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2024-12-06 03:49:00,860 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data/e8a868a2d/f507a6c9ed174307ae0e0b4594c6315f/FLAG2577b0a83 [2024-12-06 03:49:01,184 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:49:01,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2024-12-06 03:49:01,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data/e8a868a2d/f507a6c9ed174307ae0e0b4594c6315f/FLAG2577b0a83 [2024-12-06 03:49:01,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/data/e8a868a2d/f507a6c9ed174307ae0e0b4594c6315f [2024-12-06 03:49:01,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:49:01,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:49:01,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:49:01,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:49:01,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:49:01,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:49:01" (1/1) ... [2024-12-06 03:49:01,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1289e072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:01, skipping insertion in model container [2024-12-06 03:49:01,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:49:01" (1/1) ... [2024-12-06 03:49:01,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:49:02,197 WARN L250 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_0e8b03f6-90cb-4076-8717-7a03729ae5de/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2024-12-06 03:49:02,454 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 03:49:02,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:49:02,516 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:49:02,567 WARN L250 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_0e8b03f6-90cb-4076-8717-7a03729ae5de/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2024-12-06 03:49:02,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:49:02,846 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:49:02,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02 WrapperNode [2024-12-06 03:49:02,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:49:02,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:49:02,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:49:02,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:49:02,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:02,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:02,956 INFO L138 Inliner]: procedures = 780, calls = 721, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 410 [2024-12-06 03:49:02,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:49:02,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:49:02,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:49:02,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:49:02,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:02,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:02,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:02,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:02,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:03,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:03,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:03,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:03,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:03,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:49:03,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:49:03,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:49:03,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:49:03,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:49:02" (1/1) ... [2024-12-06 03:49:03,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:49:03,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:49:03,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:49:03,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:49:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 03:49:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-06 03:49:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-06 03:49:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 03:49:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:49:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:49:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:49:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 03:49:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 03:49:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:49:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:49:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-06 03:49:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-06 03:49:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 03:49:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 03:49:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:49:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:49:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 03:49:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 03:49:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-06 03:49:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-06 03:49:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 03:49:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 03:49:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 03:49:03,263 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:49:03,265 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:49:20,817 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-06 03:49:20,818 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:49:21,117 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:49:21,118 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-06 03:49:21,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:49:21 BoogieIcfgContainer [2024-12-06 03:49:21,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:49:21,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:49:21,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:49:21,128 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:49:21,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:49:21" (1/1) ... [2024-12-06 03:49:21,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:49:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-06 03:49:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-06 03:49:21,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:49:21,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:21,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:21,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:21,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:21,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:49:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:25,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:25,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 03:49:25,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:49:27,612 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 03:49:27,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-06 03:49:27,676 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:49:27,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 03:49:27,897 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:49:28,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:49:29,589 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 03:49:29,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-06 03:49:29,623 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:49:29,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 03:49:29,812 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:49:30,039 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:49:31,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:49:31,483 INFO L224 Elim1Store]: Index analysis took 119 ms [2024-12-06 03:49:32,940 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-12-06 03:49:32,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 140 [2024-12-06 03:49:32,985 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:49:33,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 03:49:33,492 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:49:47,161 WARN L286 SmtUtils]: Spent 12.28s on a formula simplification. DAG size of input: 162 DAG size of output: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:49:48,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:49:48,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 328 treesize of output 244 [2024-12-06 03:49:48,602 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:49:48,603 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-12-06 03:49:48,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-12-06 03:49:49,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:49:49,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:50:00,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:50:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:50:03,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 114 transitions. [2024-12-06 03:50:03,566 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-12-06 03:50:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:50:03,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:50:03,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:50:03,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:50:03,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:50:03,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:50:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:50:04,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:50:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:50:04,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:50:04,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:50:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:50:06,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:50:20,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:50:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:50:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 123 transitions. [2024-12-06 03:50:31,595 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2024-12-06 03:50:31,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:50:31,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:50:31,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:50:31,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:50:31,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:50:31,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:50:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:50:32,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:50:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:50:32,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:50:32,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:50:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:50:35,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:50:52,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:51:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 138 transitions. [2024-12-06 03:51:12,481 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2024-12-06 03:51:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:51:12,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:12,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:51:12,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:51:12,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:51:12,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:51:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:13,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:51:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:13,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:51:13,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:51:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:51:13,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:51:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 143 transitions. [2024-12-06 03:51:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2024-12-06 03:51:22,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:51:22,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:22,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:51:22,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:51:22,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:51:22,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:51:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:23,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:51:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:23,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:51:23,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:51:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:51:25,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:51:26,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 87 states and 151 transitions. [2024-12-06 03:51:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2024-12-06 03:51:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:51:38,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:38,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:51:38,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:51:38,375 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:51:38,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:51:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:39,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:51:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:39,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:51:39,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:51:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:51:39,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:51:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:44,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 157 transitions. [2024-12-06 03:51:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2024-12-06 03:51:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:51:44,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:44,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:51:44,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:51:44,810 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:51:44,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:51:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:45,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:51:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:46,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:51:46,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:51:46,593 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 03:51:46,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:51:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 94 states and 165 transitions. [2024-12-06 03:51:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 165 transitions. [2024-12-06 03:51:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:51:49,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:49,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:51:49,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:51:49,461 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:51:49,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:51:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:50,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:51:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:50,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:51:50,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:51:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 03:51:51,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:51:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:53,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 87 states and 147 transitions. [2024-12-06 03:51:53,741 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 147 transitions. [2024-12-06 03:51:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:51:53,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:53,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:51:53,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:51:53,744 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:51:53,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:51:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:54,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:51:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:55,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:51:55,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:02,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:52:03,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:52:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:11,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 89 states and 152 transitions. [2024-12-06 03:52:11,746 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 152 transitions. [2024-12-06 03:52:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:52:11,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:11,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:11,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:52:11,749 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:52:11,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:52:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:12,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:52:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:13,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:52:13,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 03:52:13,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:52:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 95 states and 166 transitions. [2024-12-06 03:52:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2024-12-06 03:52:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:52:34,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:34,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:34,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:52:34,212 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:52:34,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:52:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:35,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:52:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:35,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:52:35,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 03:52:35,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:52:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 95 states and 165 transitions. [2024-12-06 03:52:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 165 transitions. [2024-12-06 03:52:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 03:52:36,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:36,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:36,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:52:36,131 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:52:36,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:52:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:37,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:52:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:37,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:52:37,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 03:52:38,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:52:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 97 states and 167 transitions. [2024-12-06 03:52:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 167 transitions. [2024-12-06 03:52:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 03:52:51,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:51,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:51,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:52:51,183 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:52:51,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:52:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:53,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:52:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:53,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 03:52:53,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:53:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 03:53:05,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:53:31,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:53:51,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:54,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 107 states and 198 transitions. [2024-12-06 03:54:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2024-12-06 03:54:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:54:54,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:54,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:54,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:54:54,489 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:54:54,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:54:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:55,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:54:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:56,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:54:56,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:54:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 03:54:56,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 03:55:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:25,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 109 states and 199 transitions. [2024-12-06 03:55:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 199 transitions. [2024-12-06 03:55:25,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:55:25,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:25,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:25,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:25,014 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:25,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:55:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:27,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:27,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 03:55:27,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:51,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:55:51,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 03:56:44,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:26,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:29,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:58:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 126 states and 247 transitions. [2024-12-06 03:58:58,339 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 247 transitions. [2024-12-06 03:58:58,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 03:58:58,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:58:58,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:58:58,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:58:58,343 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:58:58,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:58:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:58:59,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:59:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:00,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:59:00,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:59:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:59:54,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-06 04:01:41,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:42,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 04:03:09,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 135 states and 269 transitions. [2024-12-06 04:03:09,695 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 269 transitions. [2024-12-06 04:03:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 04:03:09,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:09,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:03:09,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:03:09,697 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:03:09,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 04:03:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:11,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:03:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:12,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:03:12,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:03:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:03:25,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8b03f6-90cb-4076-8717-7a03729ae5de/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0