./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_42_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ad699a223ebead0ad5bc2a8268d24515fcb21831cd424c0450849ddd2041f9ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:10,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:10,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:07:10,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:10,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:10,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:10,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:10,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:10,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:10,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:10,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:10,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:10,173 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:10,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:10,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:10,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:07:10,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:10,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:10,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:10,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:10,179 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:07:10,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:07:10,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:10,181 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:10,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:10,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:10,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:10,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:10,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:10,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:10,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:10,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:07:10,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:07:10,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:10,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:10,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:10,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:10,191 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:10,191 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad699a223ebead0ad5bc2a8268d24515fcb21831cd424c0450849ddd2041f9ce [2023-11-06 22:07:10,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:10,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:10,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:10,638 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:10,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:10,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_42_good.i [2023-11-06 22:07:14,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:14,601 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:14,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_42_good.i [2023-11-06 22:07:14,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/data/1f6104ce1/75522a5bb6a843f8920d226929bad876/FLAGed4881c95 [2023-11-06 22:07:14,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/data/1f6104ce1/75522a5bb6a843f8920d226929bad876 [2023-11-06 22:07:14,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:14,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:14,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:14,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:14,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:14,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:14" (1/1) ... [2023-11-06 22:07:14,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe082f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:14, skipping insertion in model container [2023-11-06 22:07:14,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:14" (1/1) ... [2023-11-06 22:07:14,817 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:15,510 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:07:17,034 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:2225) 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:1472) 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:945) 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:725) 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:725) 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:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1084) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) 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:1499) 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:3388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2409) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:608) 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) [2023-11-06 22:07:17,042 INFO L158 Benchmark]: Toolchain (without parser) took 2352.50ms. Allocated memory is still 146.8MB. Free memory was 96.9MB in the beginning and 73.4MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:17,042 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 119.5MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:17,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2348.62ms. Allocated memory is still 146.8MB. Free memory was 96.9MB in the beginning and 73.4MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:17,047 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 119.5MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2348.62ms. Allocated memory is still 146.8MB. Free memory was 96.9MB in the beginning and 73.4MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ad699a223ebead0ad5bc2a8268d24515fcb21831cd424c0450849ddd2041f9ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:19,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:20,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-06 22:07:20,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:20,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:20,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-06 22:07:20,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:20,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:20,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:20,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:20,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:20,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:20,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:20,098 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:20,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:20,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:20,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:20,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:20,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:20,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:20,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:07:20,105 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:07:20,105 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:07:20,106 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:07:20,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:07:20,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:20,108 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:20,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:20,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:20,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:20,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:20,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:20,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:20,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:20,113 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:07:20,114 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:07:20,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:20,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:20,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:20,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:20,117 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:07:20,117 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:20,118 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad699a223ebead0ad5bc2a8268d24515fcb21831cd424c0450849ddd2041f9ce [2023-11-06 22:07:20,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:20,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:20,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:20,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:20,685 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:20,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_42_good.i [2023-11-06 22:07:24,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:24,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:24,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_42_good.i [2023-11-06 22:07:24,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/data/b98ab3dda/d838b7888ba74b33bb5a0efff072da77/FLAGd4e13445d [2023-11-06 22:07:24,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/data/b98ab3dda/d838b7888ba74b33bb5a0efff072da77 [2023-11-06 22:07:24,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:24,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:24,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:24,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:24,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:24,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:24" (1/1) ... [2023-11-06 22:07:24,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4860f93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:24, skipping insertion in model container [2023-11-06 22:07:24,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:24" (1/1) ... [2023-11-06 22:07:24,947 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:25,645 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:07:27,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:27,380 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:27,406 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:07:27,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:27,863 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:07:27,863 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:07:27,868 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:07:27,870 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:07:27,870 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:07:27,879 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:27,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27 WrapperNode [2023-11-06 22:07:27,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:27,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:27,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:27,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:27,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:27,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,007 INFO L138 Inliner]: procedures = 946, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 75 [2023-11-06 22:07:28,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:28,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:28,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:28,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:28,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:28,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:28,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:28,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:28,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (1/1) ... [2023-11-06 22:07:28,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:28,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:28,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:28,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 22:07:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 22:07:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:28,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:07:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:07:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:07:28,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:07:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:07:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:07:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:07:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:07:28,369 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:28,371 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:32,230 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:32,238 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:32,238 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:07:32,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:32 BoogieIcfgContainer [2023-11-06 22:07:32,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:32,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:32,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:32,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:32,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:24" (1/3) ... [2023-11-06 22:07:32,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b0bb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:32, skipping insertion in model container [2023-11-06 22:07:32,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:27" (2/3) ... [2023-11-06 22:07:32,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b0bb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:32, skipping insertion in model container [2023-11-06 22:07:32,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:32" (3/3) ... [2023-11-06 22:07:32,253 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_42_good.i [2023-11-06 22:07:32,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:32,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-06 22:07:32,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:32,341 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ab5e3df, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:32,341 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-06 22:07:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-06 22:07:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:07:32,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:32,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:32,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:07:32,373 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:32,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1759030285, now seen corresponding path program 1 times [2023-11-06 22:07:32,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:32,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847270405] [2023-11-06 22:07:32,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:32,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:32,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:32,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:32,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:07:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:07:32,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:32,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:32,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:32,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847270405] [2023-11-06 22:07:32,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847270405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:32,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:32,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:07:32,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623408825] [2023-11-06 22:07:32,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:32,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:32,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:32,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:32,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:32,835 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:07:34,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:07:36,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:07:38,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:07:39,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:39,028 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2023-11-06 22:07:39,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:07:39,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-06 22:07:39,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:39,041 INFO L225 Difference]: With dead ends: 41 [2023-11-06 22:07:39,041 INFO L226 Difference]: Without dead ends: 31 [2023-11-06 22:07:39,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:39,057 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 10 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:39,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 94 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2023-11-06 22:07:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-06 22:07:39,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2023-11-06 22:07:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:07:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2023-11-06 22:07:39,111 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 11 [2023-11-06 22:07:39,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:39,113 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2023-11-06 22:07:39,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:07:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-06 22:07:39,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:07:39,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:39,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:39,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:39,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:39,321 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:07:39,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:39,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1304631924, now seen corresponding path program 1 times [2023-11-06 22:07:39,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:39,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843870027] [2023-11-06 22:07:39,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:39,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:39,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:39,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:39,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:07:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:39,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:07:39,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:39,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:39,528 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:39,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843870027] [2023-11-06 22:07:39,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843870027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:39,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:39,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:07:39,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829643707] [2023-11-06 22:07:39,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:39,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:39,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:39,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:39,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:39,538 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:07:39,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:39,602 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2023-11-06 22:07:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:39,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-06 22:07:39,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:39,604 INFO L225 Difference]: With dead ends: 44 [2023-11-06 22:07:39,605 INFO L226 Difference]: Without dead ends: 29 [2023-11-06 22:07:39,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:39,607 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:39,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:39,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-06 22:07:39,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-06 22:07:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 24 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:07:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2023-11-06 22:07:39,617 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 12 [2023-11-06 22:07:39,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:39,617 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2023-11-06 22:07:39,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:07:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-06 22:07:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 22:07:39,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:39,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:39,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:39,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:39,837 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:07:39,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:39,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1789008913, now seen corresponding path program 1 times [2023-11-06 22:07:39,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:39,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637906826] [2023-11-06 22:07:39,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:39,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:39,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:39,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:39,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:09:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:26,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:09:26,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:09:27,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:09:27,617 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:09:27,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637906826] [2023-11-06 22:09:27,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637906826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:27,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:27,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:09:27,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408564789] [2023-11-06 22:09:27,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:27,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:09:27,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:09:27,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:09:27,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:09:27,621 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:09:30,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:09:32,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:09:34,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:09:34,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:34,406 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2023-11-06 22:09:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:09:34,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-06 22:09:34,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:34,411 INFO L225 Difference]: With dead ends: 32 [2023-11-06 22:09:34,411 INFO L226 Difference]: Without dead ends: 31 [2023-11-06 22:09:34,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:09:34,413 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 11 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:34,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 60 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2023-11-06 22:09:34,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-06 22:09:34,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2023-11-06 22:09:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:09:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2023-11-06 22:09:34,432 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 13 [2023-11-06 22:09:34,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:34,433 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2023-11-06 22:09:34,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:09:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-06 22:09:34,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:09:34,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:34,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:34,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:09:34,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:09:34,662 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:09:34,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:34,663 INFO L85 PathProgramCache]: Analyzing trace with hash 375298606, now seen corresponding path program 1 times [2023-11-06 22:09:34,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:09:34,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844425777] [2023-11-06 22:09:34,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:34,664 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:09:34,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:09:34,672 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:09:34,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:11:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:18,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:11:18,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:11:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:19,506 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:11:19,506 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:11:19,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844425777] [2023-11-06 22:11:19,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844425777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:19,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:19,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:11:19,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707184820] [2023-11-06 22:11:19,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:19,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:11:19,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:11:19,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:11:19,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:11:19,509 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:11:20,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:20,085 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2023-11-06 22:11:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:11:20,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-06 22:11:20,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:20,087 INFO L225 Difference]: With dead ends: 31 [2023-11-06 22:11:20,087 INFO L226 Difference]: Without dead ends: 30 [2023-11-06 22:11:20,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:11:20,089 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:20,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 60 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:11:20,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-06 22:11:20,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2023-11-06 22:11:20,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:11:20,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2023-11-06 22:11:20,095 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2023-11-06 22:11:20,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:20,096 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2023-11-06 22:11:20,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:11:20,097 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-06 22:11:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-06 22:11:20,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:20,098 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:20,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:11:20,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:11:20,316 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:11:20,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:20,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1920112010, now seen corresponding path program 1 times [2023-11-06 22:11:20,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:11:20,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115777394] [2023-11-06 22:11:20,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:20,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:11:20,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:11:20,318 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:11:20,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 22:11:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:20,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:11:20,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:11:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:11:20,478 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:11:20,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:11:20,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115777394] [2023-11-06 22:11:20,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115777394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:20,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:20,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:11:20,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248124477] [2023-11-06 22:11:20,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:20,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:11:20,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:11:20,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:11:20,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:11:20,481 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:11:20,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:20,578 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2023-11-06 22:11:20,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:11:20,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-11-06 22:11:20,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:20,584 INFO L225 Difference]: With dead ends: 27 [2023-11-06 22:11:20,584 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:11:20,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:11:20,586 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 3 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:20,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 73 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:11:20,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:11:20,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:11:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:20,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:11:20,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-06 22:11:20,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:20,589 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:11:20,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:11:20,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:11:20,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:11:20,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2023-11-06 22:11:20,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2023-11-06 22:11:20,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2023-11-06 22:11:20,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2023-11-06 22:11:20,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2023-11-06 22:11:20,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:11:20,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:11:20,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:11:21,409 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-06 22:11:21,410 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 22:11:21,410 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-06 22:11:21,410 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 22:11:21,410 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-06 22:11:21,410 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 22:11:21,411 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 22:11:21,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1859) no Hoare annotation was computed. [2023-11-06 22:11:21,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:11:21,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1843) no Hoare annotation was computed. [2023-11-06 22:11:21,411 INFO L902 garLoopResultBuilder]: At program point L1877(line 1877) the Hoare annotation is: true [2023-11-06 22:11:21,411 INFO L902 garLoopResultBuilder]: At program point L1844(line 1844) the Hoare annotation is: true [2023-11-06 22:11:21,412 INFO L899 garLoopResultBuilder]: For program point L1877-1(line 1877) no Hoare annotation was computed. [2023-11-06 22:11:21,412 INFO L902 garLoopResultBuilder]: At program point L1875(line 1875) the Hoare annotation is: true [2023-11-06 22:11:21,412 INFO L899 garLoopResultBuilder]: For program point L1844-1(line 1844) no Hoare annotation was computed. [2023-11-06 22:11:21,412 INFO L899 garLoopResultBuilder]: For program point L1875-1(line 1875) no Hoare annotation was computed. [2023-11-06 22:11:21,412 INFO L895 garLoopResultBuilder]: At program point goodG2BSource_returnLabel#1(lines 1832 1836) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2BSource_#res#1|) [2023-11-06 22:11:21,413 INFO L899 garLoopResultBuilder]: For program point L1867(lines 1867 1871) no Hoare annotation was computed. [2023-11-06 22:11:21,413 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:11:21,413 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1872 1879) the Hoare annotation is: true [2023-11-06 22:11:21,414 INFO L895 garLoopResultBuilder]: At program point goodB2GSource_returnLabel#1(lines 1847 1851) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and .cse0 (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))))))) [2023-11-06 22:11:21,414 INFO L899 garLoopResultBuilder]: For program point L1859(line 1859) no Hoare annotation was computed. [2023-11-06 22:11:21,414 INFO L899 garLoopResultBuilder]: For program point L1859-1(line 1859) no Hoare annotation was computed. [2023-11-06 22:11:21,415 INFO L899 garLoopResultBuilder]: For program point L1857(line 1857) no Hoare annotation was computed. [2023-11-06 22:11:21,415 INFO L899 garLoopResultBuilder]: For program point L1857-1(line 1857) no Hoare annotation was computed. [2023-11-06 22:11:21,415 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:11:21,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1857) no Hoare annotation was computed. [2023-11-06 22:11:21,415 INFO L899 garLoopResultBuilder]: For program point L1857-3(lines 1857 1865) no Hoare annotation was computed. [2023-11-06 22:11:21,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1859) no Hoare annotation was computed. [2023-11-06 22:11:21,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1843) no Hoare annotation was computed. [2023-11-06 22:11:21,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:11:21,416 INFO L899 garLoopResultBuilder]: For program point L1843(line 1843) no Hoare annotation was computed. [2023-11-06 22:11:21,417 INFO L899 garLoopResultBuilder]: For program point L1843-1(line 1843) no Hoare annotation was computed. [2023-11-06 22:11:21,417 INFO L899 garLoopResultBuilder]: For program point L1837(lines 1837 1846) no Hoare annotation was computed. [2023-11-06 22:11:21,417 INFO L902 garLoopResultBuilder]: At program point L1864(line 1864) the Hoare annotation is: true [2023-11-06 22:11:21,417 INFO L899 garLoopResultBuilder]: For program point L1864-1(lines 1852 1866) no Hoare annotation was computed. [2023-11-06 22:11:21,418 INFO L895 garLoopResultBuilder]: At program point L1860(line 1860) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and .cse0 (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))))))) [2023-11-06 22:11:21,418 INFO L899 garLoopResultBuilder]: For program point L1860-1(line 1860) no Hoare annotation was computed. [2023-11-06 22:11:21,422 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:11:21,424 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:11:21,440 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~bvneg~32(~data~1)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated [2023-11-06 22:11:21,441 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~data~1), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated [2023-11-06 22:11:21,442 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~bvneg~32(~data~1)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated [2023-11-06 22:11:21,442 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~data~1), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated [2023-11-06 22:11:21,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:11:21 BoogieIcfgContainer [2023-11-06 22:11:21,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:11:21,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:11:21,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:11:21,444 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:11:21,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:32" (3/4) ... [2023-11-06 22:11:21,447 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:11:21,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-06 22:11:21,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-06 22:11:21,458 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 22:11:21,458 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:11:21,459 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:11:21,459 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:11:21,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 == \result) [2023-11-06 22:11:21,511 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 == \result) [2023-11-06 22:11:21,529 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:11:21,530 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:11:21,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:11:21,531 INFO L158 Benchmark]: Toolchain (without parser) took 236720.21ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 72.2MB in the beginning and 58.7MB in the end (delta: 13.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-11-06 22:11:21,532 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:11:21,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3064.06ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 72.0MB in the beginning and 60.5MB in the end (delta: 11.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-06 22:11:21,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.26ms. Allocated memory is still 121.6MB. Free memory was 59.8MB in the beginning and 55.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:11:21,533 INFO L158 Benchmark]: Boogie Preprocessor took 57.85ms. Allocated memory is still 121.6MB. Free memory was 55.6MB in the beginning and 90.7MB in the end (delta: -35.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-06 22:11:21,534 INFO L158 Benchmark]: RCFGBuilder took 4174.10ms. Allocated memory is still 121.6MB. Free memory was 90.7MB in the beginning and 73.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:11:21,535 INFO L158 Benchmark]: TraceAbstraction took 229198.90ms. Allocated memory is still 121.6MB. Free memory was 72.8MB in the beginning and 62.9MB in the end (delta: 10.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-06 22:11:21,535 INFO L158 Benchmark]: Witness Printer took 86.93ms. Allocated memory is still 121.6MB. Free memory was 62.9MB in the beginning and 58.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:11:21,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3064.06ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 72.0MB in the beginning and 60.5MB in the end (delta: 11.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.26ms. Allocated memory is still 121.6MB. Free memory was 59.8MB in the beginning and 55.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.85ms. Allocated memory is still 121.6MB. Free memory was 55.6MB in the beginning and 90.7MB in the end (delta: -35.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4174.10ms. Allocated memory is still 121.6MB. Free memory was 90.7MB in the beginning and 73.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 229198.90ms. Allocated memory is still 121.6MB. Free memory was 72.8MB in the beginning and 62.9MB in the end (delta: 10.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Witness Printer took 86.93ms. Allocated memory is still 121.6MB. Free memory was 62.9MB in the beginning and 58.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~bvneg~32(~data~1)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~data~1), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~bvneg~32(~data~1)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~data~1), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1857]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1859]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1859]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 229.1s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 13.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 13.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 203 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 137 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 14 PreInvPairs, 16 NumberOfFragments, 84 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 211.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 5 QuantifiedInterpolants, 373 SizeOfPredicates, 7 NumberOfNonLiveVariables, 368 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 1872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1832]: Loop Invariant Derived loop invariant: (2 == \result) - InvariantResult [Line: 1847]: Loop Invariant [2023-11-06 22:11:21,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~bvneg~32(~data~1)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated [2023-11-06 22:11:21,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~data~1), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated [2023-11-06 22:11:21,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~bvneg~32(~data~1)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated [2023-11-06 22:11:21,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~bvslt~64(~sign_extend~64~32(~data~1), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2147483647bv32))))) could not be translated Derived loop invariant: ((data > -2147483648) && (!((data > 0)) || (data > 0))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:11:21,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae6e3b-108e-45e9-9a22-9325c1737d97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE