./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:33,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:33,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:34:33,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:33,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:33,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:33,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:33,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:33,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:33,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:33,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:33,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:33,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:33,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:33,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:33,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:33,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:33,817 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:33,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:33,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:33,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:33,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:33,820 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:33,820 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:33,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:33,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:33,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:33,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:33,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:33,823 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:33,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:33,825 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:33,825 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_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e [2023-11-21 18:34:34,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:34,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:34,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:34,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:34,262 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:34,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2023-11-21 18:34:37,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:38,448 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:38,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2023-11-21 18:34:38,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/data/809399006/f3f39500973b45f0b904a3a9aee942e4/FLAG7ffd20a4a [2023-11-21 18:34:38,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/data/809399006/f3f39500973b45f0b904a3a9aee942e4 [2023-11-21 18:34:38,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:38,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:38,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:38,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:38,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:38,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:38" (1/1) ... [2023-11-21 18:34:38,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7406c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:38, skipping insertion in model container [2023-11-21 18:34:38,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:38" (1/1) ... [2023-11-21 18:34:38,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:39,328 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:41,008 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: sqrt 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:2213) 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:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) 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:728) 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: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.visit(CHandler.java:2339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:198) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:34:41,015 INFO L158 Benchmark]: Toolchain (without parser) took 2488.28ms. Allocated memory is still 121.6MB. Free memory was 86.5MB in the beginning and 61.6MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:34:41,016 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 121.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:41,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2485.44ms. Allocated memory is still 121.6MB. Free memory was 86.2MB in the beginning and 61.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:34:41,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 121.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2485.44ms. Allocated memory is still 121.6MB. Free memory was 86.2MB in the beginning and 61.6MB in the end (delta: 24.6MB). 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: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:43,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:44,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:34:44,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:44,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:44,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:44,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:44,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:44,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:44,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:44,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:44,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:44,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:44,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:44,143 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:34:44,143 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:34:44,144 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:44,145 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:34:44,145 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:44,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:44,146 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:44,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:44,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:44,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:44,150 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:44,150 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:34:44,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:44,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:44,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:44,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:44,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:44,155 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:34:44,156 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:44,156 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:44,157 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:34:44,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:34:44,157 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_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e [2023-11-21 18:34:44,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:44,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:44,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:44,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:44,744 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:44,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2023-11-21 18:34:48,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:48,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:48,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2023-11-21 18:34:48,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/data/833c24423/5523f6d04a154199aed853097e395010/FLAG726d638db [2023-11-21 18:34:49,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/data/833c24423/5523f6d04a154199aed853097e395010 [2023-11-21 18:34:49,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:49,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:49,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:49,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:49,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:49,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:49" (1/1) ... [2023-11-21 18:34:49,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8919e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:49, skipping insertion in model container [2023-11-21 18:34:49,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:49" (1/1) ... [2023-11-21 18:34:49,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:49,812 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:51,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:51,475 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:51,503 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:51,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:52,028 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:52,028 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:52,029 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:52,029 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:52,029 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:52,040 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:52,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52 WrapperNode [2023-11-21 18:34:52,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:52,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:52,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:52,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:52,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,162 INFO L138 Inliner]: procedures = 946, calls = 83, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 159 [2023-11-21 18:34:52,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:52,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:52,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:52,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:52,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:52,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:52,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:52,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:52,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:52" (1/1) ... [2023-11-21 18:34:52,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:52,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:52,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:52,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:34:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:34:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:34:52,521 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:52,524 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:05,224 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:05,287 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:05,287 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:35:05,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:05 BoogieIcfgContainer [2023-11-21 18:35:05,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:05,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:05,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:05,302 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:05,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:05" (1/1) ... [2023-11-21 18:35:05,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:05,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2023-11-21 18:35:05,376 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-21 18:35:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:35:05,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:05,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:05,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:05,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:05,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:35:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:05,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:05,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:05,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:05,743 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:35:05,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:05,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2023-11-21 18:35:05,912 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2023-11-21 18:35:05,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:35:05,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:05,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:05,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:05,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:05,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:35:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:06,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:06,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:06,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:06,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2023-11-21 18:35:06,242 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-21 18:35:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:35:06,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:06,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:06,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:06,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:06,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:35:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:06,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:06,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:06,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:06,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:08,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 80 states and 116 transitions. [2023-11-21 18:35:08,056 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2023-11-21 18:35:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:35:08,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:08,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:08,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:08,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:08,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:35:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:08,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:08,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:08,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:08,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 92 transitions. [2023-11-21 18:35:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2023-11-21 18:35:08,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:35:08,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:08,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:08,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:08,438 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:08,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-21 18:35:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:08,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:08,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:08,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:08,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-21 18:35:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 66 states and 91 transitions. [2023-11-21 18:35:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2023-11-21 18:35:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:35:08,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:08,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:08,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:08,872 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:08,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-21 18:35:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:09,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:09,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:09,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:09,056 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:35:09,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 88 transitions. [2023-11-21 18:35:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-11-21 18:35:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:35:09,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:09,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:09,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:09,093 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:09,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-21 18:35:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:09,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:09,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:09,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:09,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:09,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 87 transitions. [2023-11-21 18:35:09,673 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-21 18:35:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:35:09,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:09,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:09,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:09,676 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:09,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-21 18:35:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:09,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:09,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:09,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:09,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 88 transitions. [2023-11-21 18:35:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-11-21 18:35:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:35:10,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:10,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:10,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:10,105 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:10,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-21 18:35:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:10,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:10,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:10,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:10,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:12,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:35:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 95 transitions. [2023-11-21 18:35:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2023-11-21 18:35:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:35:12,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:12,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:12,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:12,984 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:13,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-21 18:35:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:13,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:13,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:13,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:13,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-11-21 18:35:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:13,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 73 transitions. [2023-11-21 18:35:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2023-11-21 18:35:13,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:35:13,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:13,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:13,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:13,472 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:13,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-21 18:35:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:13,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:13,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:13,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:13,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 54 states and 68 transitions. [2023-11-21 18:35:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-21 18:35:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:35:14,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:14,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:14,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:14,248 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:14,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-21 18:35:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:14,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:14,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:14,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:14,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:16,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:35:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 57 states and 73 transitions. [2023-11-21 18:35:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-21 18:35:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:35:16,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:16,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:16,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:16,737 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:16,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-21 18:35:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:17,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:17,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:17,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:17,244 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:35:17,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 58 states and 74 transitions. [2023-11-21 18:35:18,030 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2023-11-21 18:35:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:35:18,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:18,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:18,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:18,037 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:18,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-21 18:35:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:18,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:18,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:18,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:18,373 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:35:18,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:18,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:18,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 51 states and 63 transitions. [2023-11-21 18:35:18,514 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-21 18:35:18,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:35:18,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:18,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:18,517 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:18,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-21 18:35:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:18,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:18,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:18,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:18,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 49 states and 58 transitions. [2023-11-21 18:35:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-21 18:35:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:35:19,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:19,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:19,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:19,511 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:19,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-21 18:35:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:19,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:19,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:19,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:20,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:22,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:35:22,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 52 states and 64 transitions. [2023-11-21 18:35:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-21 18:35:22,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:35:22,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:22,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:22,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:22,895 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:22,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-11-21 18:35:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:23,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:23,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:23,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:23,444 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (18)] Exception during sending of exit command (exit): Stream closed [2023-11-21 18:35:23,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:24,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 53 states and 65 transitions. [2023-11-21 18:35:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-21 18:35:24,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:35:24,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:24,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:24,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:24,584 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:24,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-11-21 18:35:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:24,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:24,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:24,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:24,981 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (19)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:35:24,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-11-21 18:35:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 45 states and 51 transitions. [2023-11-21 18:35:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-21 18:35:25,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:35:25,173 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-21 18:35:25,184 INFO L751 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2023-11-21 18:35:25,652 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:25,655 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:25,656 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:25,656 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:25,656 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:25,656 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:25,656 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:25,656 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:25,657 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:25,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:35:25 ImpRootNode [2023-11-21 18:35:25,657 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:35:25,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:35:25,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:35:25,658 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:35:25,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:05" (3/4) ... [2023-11-21 18:35:25,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:35:25,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:35:25,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:35:25,673 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-21 18:35:25,674 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:35:25,675 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:35:25,675 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:35:25,676 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:35:25,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:35:25,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:35:25,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:35:25,791 INFO L158 Benchmark]: Toolchain (without parser) took 36781.79ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 84.7MB in the beginning and 62.6MB in the end (delta: 22.1MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2023-11-21 18:35:25,792 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:25,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3023.31ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 84.4MB in the beginning and 95.2MB in the end (delta: -10.8MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-11-21 18:35:25,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.95ms. Allocated memory is still 136.3MB. Free memory was 95.2MB in the beginning and 91.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:35:25,793 INFO L158 Benchmark]: Boogie Preprocessor took 57.80ms. Allocated memory is still 136.3MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:25,794 INFO L158 Benchmark]: RCFGBuilder took 13066.05ms. Allocated memory is still 136.3MB. Free memory was 88.9MB in the beginning and 63.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:35:25,794 INFO L158 Benchmark]: CodeCheck took 20367.39ms. Allocated memory is still 136.3MB. Free memory was 63.7MB in the beginning and 69.8MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:25,794 INFO L158 Benchmark]: Witness Printer took 132.74ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 62.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:35:25,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 75 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2081 SdHoareTripleChecker+Valid, 59.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 348 mSDsluCounter, 1451 SdHoareTripleChecker+Invalid, 58.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 254 mSDsCounter, 575 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1344 IncrementalHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 575 mSolverCounterUnsat, 1197 mSDtfsCounter, 1344 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4084 GetRequests, 4022 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 448 NumberOfCodeBlocks, 448 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1609 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 60/60 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1851]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1881]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1881]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1911]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1911]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1937]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1937]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 1876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1924]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1933]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1958]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3023.31ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 84.4MB in the beginning and 95.2MB in the end (delta: -10.8MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.95ms. Allocated memory is still 136.3MB. Free memory was 95.2MB in the beginning and 91.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.80ms. Allocated memory is still 136.3MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 13066.05ms. Allocated memory is still 136.3MB. Free memory was 88.9MB in the beginning and 63.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 20367.39ms. Allocated memory is still 136.3MB. Free memory was 63.7MB in the beginning and 69.8MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 132.74ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 62.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:35:25,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447eb718-9dff-4829-9ac9-e773b5f6a1bd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE