./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash daa057e82631e6f1d313140c57470663c53a0147ee44af9a015893bbe50819e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:18:31,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:18:31,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:18:31,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:18:31,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:18:31,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:18:31,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:18:31,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:18:31,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:18:31,798 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:18:31,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:18:31,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:18:31,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:18:31,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:18:31,801 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:18:31,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:18:31,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:18:31,803 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:18:31,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:18:31,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:18:31,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:18:31,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:18:31,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:18:31,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:18:31,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:18:31,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:18:31,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:18:31,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:18:31,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:18:31,810 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:18:31,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:18:31,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:18:31,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:18:31,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:18:31,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:18:31,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:18:31,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:18:31,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:18:31,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:18:31,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:18:31,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:18:31,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:18:31,816 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_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daa057e82631e6f1d313140c57470663c53a0147ee44af9a015893bbe50819e3 [2023-11-21 22:18:32,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:18:32,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:18:32,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:18:32,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:18:32,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:18:32,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i [2023-11-21 22:18:35,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:18:35,686 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:18:35,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i [2023-11-21 22:18:35,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/data/58a393a61/fc9fe14e21604502b4a9da2687aa390c/FLAG9f6cdd2c8 [2023-11-21 22:18:35,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/data/58a393a61/fc9fe14e21604502b4a9da2687aa390c [2023-11-21 22:18:35,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:18:35,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:18:35,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:18:35,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:18:35,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:18:35,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:35" (1/1) ... [2023-11-21 22:18:35,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691ab502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:35, skipping insertion in model container [2023-11-21 22:18:35,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:35" (1/1) ... [2023-11-21 22:18:35,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:18:35,947 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i[915,928] [2023-11-21 22:18:35,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:18:36,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:18:36,013 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i[915,928] [2023-11-21 22:18:36,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:18:36,049 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:18:36,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36 WrapperNode [2023-11-21 22:18:36,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:18:36,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:18:36,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:18:36,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:18:36,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,117 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-11-21 22:18:36,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:18:36,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:18:36,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:18:36,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:18:36,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,142 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,161 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:18:36,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:18:36,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:18:36,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:18:36,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:18:36,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (1/1) ... [2023-11-21 22:18:36,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:18:36,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:18:36,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:18:36,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:18:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:18:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:18:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:18:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:18:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:18:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:18:36,378 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:18:36,381 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:18:36,674 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:18:36,765 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:18:36,765 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:18:36,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:36 BoogieIcfgContainer [2023-11-21 22:18:36,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:18:36,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:18:36,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:18:36,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:18:36,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:18:35" (1/3) ... [2023-11-21 22:18:36,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317d2242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:18:36, skipping insertion in model container [2023-11-21 22:18:36,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:36" (2/3) ... [2023-11-21 22:18:36,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317d2242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:18:36, skipping insertion in model container [2023-11-21 22:18:36,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:36" (3/3) ... [2023-11-21 22:18:36,779 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-40.i [2023-11-21 22:18:36,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:18:36,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:18:36,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:18:36,854 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48c4dc9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:18:36,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:18:36,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 22:18:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 22:18:36,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:18:36,869 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:18:36,870 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:18:36,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:36,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1878397178, now seen corresponding path program 1 times [2023-11-21 22:18:36,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:36,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149402941] [2023-11-21 22:18:36,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:36,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:18:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:18:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:18:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:18:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 22:18:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-21 22:18:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-21 22:18:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-21 22:18:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:18:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-21 22:18:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-21 22:18:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:18:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-21 22:18:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-21 22:18:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-21 22:18:38,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:38,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149402941] [2023-11-21 22:18:38,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149402941] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:18:38,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291322125] [2023-11-21 22:18:38,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:38,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:18:38,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:18:38,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:18:38,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:18:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:38,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 22:18:38,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:18:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 93 proven. 8 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-21 22:18:39,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:18:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-21 22:18:40,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291322125] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:18:40,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:18:40,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-11-21 22:18:40,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814038188] [2023-11-21 22:18:40,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:18:40,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:18:40,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:18:40,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:18:40,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:18:40,799 INFO L87 Difference]: Start difference. First operand has 31 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 7 states, 5 states have (on average 3.6) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-21 22:18:40,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:18:40,941 INFO L93 Difference]: Finished difference Result 62 states and 90 transitions. [2023-11-21 22:18:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:18:40,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.6) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 54 [2023-11-21 22:18:40,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:18:40,950 INFO L225 Difference]: With dead ends: 62 [2023-11-21 22:18:40,950 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:18:40,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:18:40,958 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 18 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:18:40,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 51 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:18:40,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:18:40,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:18:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:18:40,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2023-11-21 22:18:40,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:18:40,984 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:18:40,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.6) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-21 22:18:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:18:40,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:18:40,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:18:41,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:18:41,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:18:41,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:18:41,249 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-11-21 22:18:41,250 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,250 INFO L895 garLoopResultBuilder]: At program point L60-1(line 60) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,250 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,251 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2023-11-21 22:18:41,251 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:18:41,251 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:18:41,251 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:18:41,251 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-11-21 22:18:41,252 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,252 INFO L895 garLoopResultBuilder]: At program point L57-1(line 57) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,252 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:18:41,252 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,253 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,253 INFO L895 garLoopResultBuilder]: At program point L78-2(lines 78 84) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,253 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,253 INFO L895 garLoopResultBuilder]: At program point L66-1(line 66) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,254 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:18:41,254 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-11-21 22:18:41,254 INFO L902 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: true [2023-11-21 22:18:41,254 INFO L902 garLoopResultBuilder]: At program point L54-1(line 54) the Hoare annotation is: true [2023-11-21 22:18:41,254 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-21 22:18:41,255 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:18:41,255 INFO L899 garLoopResultBuilder]: For program point L67(lines 45 68) no Hoare annotation was computed. [2023-11-21 22:18:41,255 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,255 INFO L895 garLoopResultBuilder]: At program point L63-1(line 63) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,256 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-11-21 22:18:41,256 INFO L895 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (= (* (div ~var_1_8~0 256) 256) ~var_1_8~0) [2023-11-21 22:18:41,256 INFO L899 garLoopResultBuilder]: For program point L47-1(line 47) no Hoare annotation was computed. [2023-11-21 22:18:41,256 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:18:41,256 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:18:41,260 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:18:41,262 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:18:41,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:18:41 BoogieIcfgContainer [2023-11-21 22:18:41,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:18:41,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:18:41,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:18:41,274 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:18:41,275 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:36" (3/4) ... [2023-11-21 22:18:41,277 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:18:41,280 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:18:41,285 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 22:18:41,286 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 22:18:41,286 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:18:41,287 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:18:41,393 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:18:41,393 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:18:41,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:18:41,394 INFO L158 Benchmark]: Toolchain (without parser) took 5668.15ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 96.2MB in the beginning and 113.7MB in the end (delta: -17.5MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-21 22:18:41,395 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:18:41,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.61ms. Allocated memory is still 127.9MB. Free memory was 95.8MB in the beginning and 84.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:18:41,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.39ms. Allocated memory is still 127.9MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:18:41,396 INFO L158 Benchmark]: Boogie Preprocessor took 61.16ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 79.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:18:41,397 INFO L158 Benchmark]: RCFGBuilder took 587.59ms. Allocated memory is still 127.9MB. Free memory was 79.1MB in the beginning and 61.0MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:18:41,397 INFO L158 Benchmark]: TraceAbstraction took 4502.60ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 60.6MB in the beginning and 118.9MB in the end (delta: -58.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:18:41,397 INFO L158 Benchmark]: Witness Printer took 120.03ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 113.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:18:41,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.61ms. Allocated memory is still 127.9MB. Free memory was 95.8MB in the beginning and 84.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.39ms. Allocated memory is still 127.9MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.16ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 79.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.59ms. Allocated memory is still 127.9MB. Free memory was 79.1MB in the beginning and 61.0MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4502.60ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 60.6MB in the beginning and 118.9MB in the end (delta: -58.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 120.03ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 113.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 22 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 43 PreInvPairs, 58 NumberOfFragments, 94 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 23 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 513 SizeOfPredicates, 16 NumberOfNonLiveVariables, 196 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 522/546 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((var_1_8 / 256) * 256) == var_1_8) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:18:41,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089fc1d7-e6b0-40c1-9a4c-1c7ad6e09354/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE