./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:35:25,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:35:25,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:35:25,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:35:25,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:35:25,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:35:25,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:35:25,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:35:25,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:35:25,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:35:25,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:35:25,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:35:25,354 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:35:25,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:35:25,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:35:25,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:35:25,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:35:25,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:35:25,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:35:25,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:35:25,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:35:25,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:35:25,359 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:35:25,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:35:25,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:35:25,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:35:25,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:35:25,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:35:25,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:35:25,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:35:25,363 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:35:25,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:35:25,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:35:25,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 [2023-12-03 02:35:25,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:35:25,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:35:25,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:35:25,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:35:25,602 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:35:25,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2023-12-03 02:35:28,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:35:28,619 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:35:28,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2023-12-03 02:35:28,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/data/548e62f96/5e3c40e08695446c91fa894e3eb4e122/FLAGcfeff06e7 [2023-12-03 02:35:28,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/data/548e62f96/5e3c40e08695446c91fa894e3eb4e122 [2023-12-03 02:35:28,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:35:28,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:35:28,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:35:28,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:35:28,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:35:28,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:35:28" (1/1) ... [2023-12-03 02:35:28,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510c8183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:28, skipping insertion in model container [2023-12-03 02:35:28,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:35:28" (1/1) ... [2023-12-03 02:35:28,722 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:35:29,278 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: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$76(StandardFunctionHandler.java:455) 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.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) 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:386) 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:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) 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) [2023-12-03 02:35:29,282 INFO L158 Benchmark]: Toolchain (without parser) took 622.85ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 75.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:35:29,283 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:35:29,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.73ms. Allocated memory is still 132.1MB. Free memory was 89.8MB in the beginning and 75.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:35:29,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.73ms. Allocated memory is still 132.1MB. Free memory was 89.8MB in the beginning and 75.2MB 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:35:31,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:35:31,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:35:31,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:35:31,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:35:31,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:35:31,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:35:31,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:35:31,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:35:31,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:35:31,118 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:35:31,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:35:31,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:35:31,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:35:31,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:35:31,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:35:31,121 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:35:31,121 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:35:31,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:35:31,122 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:35:31,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:35:31,123 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:35:31,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:35:31,124 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:35:31,124 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:35:31,125 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:31,125 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:35:31,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:35:31,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:35:31,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:35:31,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:35:31,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:35:31,128 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:35:31,128 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:31,129 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:35:31,129 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:35:31,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:35:31,130 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_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 [2023-12-03 02:35:31,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:35:31,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:35:31,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:35:31,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:35:31,435 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:35:31,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2023-12-03 02:35:34,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:35:34,488 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:35:34,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2023-12-03 02:35:34,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/data/dd7dc9e9c/762ca908bf894e6ea884193a3f47c26d/FLAGe1974ccb1 [2023-12-03 02:35:34,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/data/dd7dc9e9c/762ca908bf894e6ea884193a3f47c26d [2023-12-03 02:35:34,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:35:34,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:35:34,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:35:34,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:35:34,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:35:34,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:35:34" (1/1) ... [2023-12-03 02:35:34,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220e57cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:34, skipping insertion in model container [2023-12-03 02:35:34,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:35:34" (1/1) ... [2023-12-03 02:35:34,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:35:35,417 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_e31831ea-8e69-45a6-9583-d1c3e1680d4f/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i[63646,63659] [2023-12-03 02:35:35,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:35:35,434 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:35:35,485 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_e31831ea-8e69-45a6-9583-d1c3e1680d4f/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i[63646,63659] [2023-12-03 02:35:35,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:35:35,680 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:35:35,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35 WrapperNode [2023-12-03 02:35:35,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:35:35,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:35:35,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:35:35,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:35:35,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,741 INFO L138 Inliner]: procedures = 562, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2023-12-03 02:35:35,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:35:35,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:35:35,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:35:35,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:35:35,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:35:35,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:35:35,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:35:35,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:35:35,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:35:35" (1/1) ... [2023-12-03 02:35:35,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:35:35,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:35:35,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:35:35,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:35:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:35:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:35:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:35:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:35:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:35:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:35:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:35:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:35:35,959 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:35:35,960 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:35:38,419 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:35:38,561 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:35:38,562 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 02:35:38,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:35:38 BoogieIcfgContainer [2023-12-03 02:35:38,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:35:38,564 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:35:38,564 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:35:38,574 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:35:38,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:35:38" (1/1) ... [2023-12-03 02:35:38,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:35:38,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-12-03 02:35:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-12-03 02:35:38,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:35:38,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:38,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:38,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:38,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:38,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:35:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:38,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:38,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:35:38,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:35:39,131 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:35:39,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:35:41,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:35:41,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-12-03 02:35:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-12-03 02:35:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:35:41,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:41,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:41,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:41,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:41,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:35:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:41,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:41,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:35:41,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:35:41,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:35:41,800 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:35:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-12-03 02:35:42,207 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-12-03 02:35:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:35:42,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:42,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:42,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:42,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:42,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:35:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:42,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:42,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:35:42,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:35:42,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:35:42,664 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:35:45,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:35:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-12-03 02:35:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-12-03 02:35:46,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:35:46,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:46,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:46,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:46,189 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:46,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:35:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:46,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:46,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:35:46,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:35:47,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:35:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:47,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-12-03 02:35:47,365 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-12-03 02:35:47,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:35:47,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:47,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:47,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:47,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:47,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:35:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:47,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:48,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:35:48,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:35:48,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 02:35:48,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:48,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-12-03 02:35:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-12-03 02:35:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:35:48,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:48,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:48,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:48,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:48,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:35:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:49,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:49,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:35:49,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:49,651 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:35:49,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 02:35:52,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:35:54,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:35:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-12-03 02:35:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-12-03 02:35:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:35:54,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:54,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:54,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:54,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:35:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:55,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:56,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:35:56,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:35:56,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:35:56,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:56,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-12-03 02:35:56,543 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-12-03 02:35:56,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:35:56,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:56,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:56,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:56,545 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:56,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:35:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:57,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:57,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:35:57,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 02:35:57,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:35:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:58,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-12-03 02:35:58,538 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-12-03 02:35:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:35:58,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:58,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:58,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:58,540 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:58,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:35:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:59,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:59,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:35:59,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:35:59,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:36:02,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:36:04,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:36:05,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:36:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-12-03 02:36:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-12-03 02:36:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:36:05,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:05,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:05,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:05,826 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:05,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:36:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:06,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:07,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:36:07,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:36:07,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:36:08,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-12-03 02:36:08,302 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-12-03 02:36:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:36:08,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:08,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:08,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:08,304 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:08,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:36:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:09,511 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:10,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:36:10,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 02:36:10,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:36:15,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:36:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-12-03 02:36:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-03 02:36:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:36:15,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:15,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:15,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:15,685 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:15,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31831ea-8e69-45a6-9583-d1c3e1680d4f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:36:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:36:20,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:36:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat