./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/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_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:04:52,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:04:52,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:04:52,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:04:52,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:04:52,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:04:52,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:04:52,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:04:52,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:04:52,775 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:04:52,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:04:52,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:04:52,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:04:52,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:04:52,779 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:04:52,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:04:52,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:04:52,781 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:04:52,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:04:52,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:04:52,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:04:52,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:04:52,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:04:52,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:04:52,784 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:04:52,785 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:04:52,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:04:52,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:04:52,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:04:52,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:04:52,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:04:52,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:04:52,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:04:52,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:04:52,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:04:52,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:04:52,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:04:52,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:04:52,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:04:52,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:04:52,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:04:52,793 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:04:52,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:04:52,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:04:52,795 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_99f9f09a-26b5-4bb4-ad64-67974dd4c082/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c [2023-11-21 22:04:53,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:04:53,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:04:53,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:04:53,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:04:53,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:04:53,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i [2023-11-21 22:04:56,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:04:56,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:04:56,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i [2023-11-21 22:04:56,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/data/55cd98629/cb1d3dbfeb964d46acf29862a3968c11/FLAG37587b5ea [2023-11-21 22:04:56,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/data/55cd98629/cb1d3dbfeb964d46acf29862a3968c11 [2023-11-21 22:04:56,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:04:56,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:04:56,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:56,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:04:56,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:04:56,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37962d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:56, skipping insertion in model container [2023-11-21 22:04:56,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:56,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:04:57,215 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:04:57,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:57,512 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:04:57,533 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:04:57,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:57,730 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:04:57,767 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:04:57,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57 WrapperNode [2023-11-21 22:04:57,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:57,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:57,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:04:57,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:04:57,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,887 INFO L138 Inliner]: procedures = 178, calls = 229, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 925 [2023-11-21 22:04:57,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:57,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:04:57,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:04:57,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:04:57,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,914 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:58,000 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:04:58,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:58,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:58,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:58,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:58,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:58,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:58,137 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:04:58,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:04:58,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:04:58,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:04:58,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:58,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:04:58,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:04:58,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:04:58,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:04:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:04:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:04:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:04:58,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:04:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:04:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:04:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:04:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:04:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:04:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:04:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:04:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:04:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:04:58,419 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:04:58,422 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:04:59,731 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:00,900 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:00,901 INFO L308 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-21 22:05:00,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:00 BoogieIcfgContainer [2023-11-21 22:05:00,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:00,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:00,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:00,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:00,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:04:56" (1/3) ... [2023-11-21 22:05:00,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c986a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:00, skipping insertion in model container [2023-11-21 22:05:00,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (2/3) ... [2023-11-21 22:05:00,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c986a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:00, skipping insertion in model container [2023-11-21 22:05:00,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:00" (3/3) ... [2023-11-21 22:05:00,911 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test1-2.i [2023-11-21 22:05:00,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:00,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-21 22:05:00,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:00,989 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;@467e021a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:00,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-21 22:05:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 74 states have (on average 1.7432432432432432) internal successors, (129), 80 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:05:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 22:05:01,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:01,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 22:05:01,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:05:01,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash 949494, now seen corresponding path program 1 times [2023-11-21 22:05:01,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:01,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643098618] [2023-11-21 22:05:01,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:01,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:05:01,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:01,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643098618] [2023-11-21 22:05:01,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643098618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:01,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:01,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:05:01,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859523421] [2023-11-21 22:05:01,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:01,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:05:01,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:01,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:05:01,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:05:01,488 INFO L87 Difference]: Start difference. First operand has 85 states, 74 states have (on average 1.7432432432432432) internal successors, (129), 80 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 22:05:03,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:05,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:07,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:09,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:11,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:13,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:15,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:17,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:18,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:18,573 INFO L93 Difference]: Finished difference Result 249 states and 399 transitions. [2023-11-21 22:05:18,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:05:18,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3 [2023-11-21 22:05:18,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:18,586 INFO L225 Difference]: With dead ends: 249 [2023-11-21 22:05:18,599 INFO L226 Difference]: Without dead ends: 134 [2023-11-21 22:05:18,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:05:18,611 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 156 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:18,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 197 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 7 Unknown, 0 Unchecked, 17.0s Time] [2023-11-21 22:05:18,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-21 22:05:18,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 118. [2023-11-21 22:05:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 105 states have (on average 1.2) internal successors, (126), 110 states have internal predecessors, (126), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 22:05:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2023-11-21 22:05:18,704 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 3 [2023-11-21 22:05:18,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:18,705 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2023-11-21 22:05:18,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 22:05:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2023-11-21 22:05:18,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:05:18,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:18,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:05:18,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:05:18,708 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:05:18,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash 29434373, now seen corresponding path program 1 times [2023-11-21 22:05:18,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:18,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750464712] [2023-11-21 22:05:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:18,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:05:18,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:18,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750464712] [2023-11-21 22:05:18,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750464712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:18,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:18,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:05:18,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816347955] [2023-11-21 22:05:18,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:18,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:05:18,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:18,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:05:18,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:05:18,937 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 22:05:20,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:22,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:25,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:27,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:29,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:31,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:32,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:32,122 INFO L93 Difference]: Finished difference Result 127 states and 148 transitions. [2023-11-21 22:05:32,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:05:32,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2023-11-21 22:05:32,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:32,131 INFO L225 Difference]: With dead ends: 127 [2023-11-21 22:05:32,132 INFO L226 Difference]: Without dead ends: 126 [2023-11-21 22:05:32,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:05:32,134 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 5 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:32,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 170 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 6 Unknown, 0 Unchecked, 13.2s Time] [2023-11-21 22:05:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-21 22:05:32,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 121. [2023-11-21 22:05:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 108 states have (on average 1.2037037037037037) internal successors, (130), 113 states have internal predecessors, (130), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 22:05:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2023-11-21 22:05:32,153 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 4 [2023-11-21 22:05:32,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:32,153 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2023-11-21 22:05:32,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 22:05:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2023-11-21 22:05:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:05:32,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:32,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:05:32,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:05:32,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:05:32,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:32,156 INFO L85 PathProgramCache]: Analyzing trace with hash 29525644, now seen corresponding path program 1 times [2023-11-21 22:05:32,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:32,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527093147] [2023-11-21 22:05:32,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:32,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:05:32,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:32,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527093147] [2023-11-21 22:05:32,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527093147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:32,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:32,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:05:32,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119753591] [2023-11-21 22:05:32,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:32,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:05:32,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:32,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:05:32,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:05:32,189 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 22:05:34,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:36,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:38,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:40,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:42,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:42,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:42,524 INFO L93 Difference]: Finished difference Result 244 states and 286 transitions. [2023-11-21 22:05:42,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:05:42,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2023-11-21 22:05:42,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:42,530 INFO L225 Difference]: With dead ends: 244 [2023-11-21 22:05:42,530 INFO L226 Difference]: Without dead ends: 126 [2023-11-21 22:05:42,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:05:42,533 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 59 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:42,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 79 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 10.3s Time] [2023-11-21 22:05:42,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-21 22:05:42,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 125. [2023-11-21 22:05:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 112 states have (on average 1.1875) internal successors, (133), 117 states have internal predecessors, (133), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 22:05:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2023-11-21 22:05:42,560 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 4 [2023-11-21 22:05:42,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:42,560 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2023-11-21 22:05:42,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 22:05:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2023-11-21 22:05:42,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 22:05:42,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:42,563 INFO L195 NwaCegarLoop]: trace histogram [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 22:05:42,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:05:42,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:05:42,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:42,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1817453761, now seen corresponding path program 1 times [2023-11-21 22:05:42,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:42,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096352553] [2023-11-21 22:05:42,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:42,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:05:42,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:42,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096352553] [2023-11-21 22:05:42,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096352553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:42,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:42,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:05:42,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549592085] [2023-11-21 22:05:42,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:42,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:05:42,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:42,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:05:42,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:05:42,937 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 22:05:44,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:46,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:49,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:51,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 22:05:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:51,476 INFO L93 Difference]: Finished difference Result 219 states and 254 transitions. [2023-11-21 22:05:51,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:05:51,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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) Word has length 31 [2023-11-21 22:05:51,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:51,481 INFO L225 Difference]: With dead ends: 219 [2023-11-21 22:05:51,482 INFO L226 Difference]: Without dead ends: 117 [2023-11-21 22:05:51,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:05:51,484 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 11 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:51,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 100 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2023-11-21 22:05:51,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-21 22:05:51,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-11-21 22:05:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 104 states have (on average 1.1730769230769231) internal successors, (122), 109 states have internal predecessors, (122), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 22:05:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2023-11-21 22:05:51,511 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 31 [2023-11-21 22:05:51,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:51,512 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2023-11-21 22:05:51,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 22:05:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2023-11-21 22:05:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 22:05:51,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:51,515 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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 22:05:51,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:05:51,515 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:05:51,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:51,515 INFO L85 PathProgramCache]: Analyzing trace with hash 368276968, now seen corresponding path program 1 times [2023-11-21 22:05:51,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:51,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017369469] [2023-11-21 22:05:51,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:51,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 22:05:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-21 22:05:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:05:52,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:52,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017369469] [2023-11-21 22:05:52,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017369469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:52,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:52,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:05:52,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626572284] [2023-11-21 22:05:52,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:52,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:05:52,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:52,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:05:52,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:05:52,053 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2023-11-21 22:05:54,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:56,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:58,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:06:00,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:06:00,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:00,127 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2023-11-21 22:06:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:00,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 44 [2023-11-21 22:06:00,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:06:00,132 INFO L225 Difference]: With dead ends: 117 [2023-11-21 22:06:00,132 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:06:00,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:06:00,134 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:06:00,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2023-11-21 22:06:00,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:06:00,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:06:00,136 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 22:06:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:06:00,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2023-11-21 22:06:00,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:06:00,136 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:06:00,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2023-11-21 22:06:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:06:00,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:06:00,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-21 22:06:00,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-21 22:06:00,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-21 22:06:00,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-21 22:06:00,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-21 22:06:00,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-21 22:06:00,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:06:00,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:06:00,217 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:06:00,217 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 22:06:00,218 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 22:06:00,218 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 737) no Hoare annotation was computed. [2023-11-21 22:06:00,218 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 737) no Hoare annotation was computed. [2023-11-21 22:06:00,218 INFO L899 garLoopResultBuilder]: For program point L737-2(lines 737 746) no Hoare annotation was computed. [2023-11-21 22:06:00,218 INFO L899 garLoopResultBuilder]: For program point L737-3(line 737) no Hoare annotation was computed. [2023-11-21 22:06:00,219 INFO L899 garLoopResultBuilder]: For program point L737-4(line 737) no Hoare annotation was computed. [2023-11-21 22:06:00,219 INFO L895 garLoopResultBuilder]: At program point L737-5(lines 737 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~sum~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:06:00,220 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 748) no Hoare annotation was computed. [2023-11-21 22:06:00,220 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 748) no Hoare annotation was computed. [2023-11-21 22:06:00,220 INFO L899 garLoopResultBuilder]: For program point L744(line 744) no Hoare annotation was computed. [2023-11-21 22:06:00,221 INFO L899 garLoopResultBuilder]: For program point L744-1(line 744) no Hoare annotation was computed. [2023-11-21 22:06:00,221 INFO L895 garLoopResultBuilder]: At program point L747-3(lines 747 749) the Hoare annotation is: false [2023-11-21 22:06:00,221 INFO L899 garLoopResultBuilder]: For program point L745-68(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,221 INFO L902 garLoopResultBuilder]: At program point L745-69(line 745) the Hoare annotation is: true [2023-11-21 22:06:00,222 INFO L899 garLoopResultBuilder]: For program point L745-70(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,222 INFO L902 garLoopResultBuilder]: At program point L745-71(line 745) the Hoare annotation is: true [2023-11-21 22:06:00,222 INFO L899 garLoopResultBuilder]: For program point L748(line 748) no Hoare annotation was computed. [2023-11-21 22:06:00,222 INFO L899 garLoopResultBuilder]: For program point L748-1(line 748) no Hoare annotation was computed. [2023-11-21 22:06:00,222 INFO L899 garLoopResultBuilder]: For program point L745-170(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,223 INFO L902 garLoopResultBuilder]: At program point L745-171(line 745) the Hoare annotation is: true [2023-11-21 22:06:00,223 INFO L899 garLoopResultBuilder]: For program point L745-172(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,223 INFO L899 garLoopResultBuilder]: For program point L745-173(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,223 INFO L902 garLoopResultBuilder]: At program point L745-174(line 745) the Hoare annotation is: true [2023-11-21 22:06:00,223 INFO L899 garLoopResultBuilder]: For program point L745-175(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,224 INFO L902 garLoopResultBuilder]: At program point L745-176(line 745) the Hoare annotation is: true [2023-11-21 22:06:00,224 INFO L899 garLoopResultBuilder]: For program point L745-178(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,225 INFO L899 garLoopResultBuilder]: For program point L745-180(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,226 INFO L895 garLoopResultBuilder]: At program point L745-182(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,226 INFO L899 garLoopResultBuilder]: For program point L745-183(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,227 INFO L899 garLoopResultBuilder]: For program point L745-184(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,228 INFO L895 garLoopResultBuilder]: At program point L745-186(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,228 INFO L899 garLoopResultBuilder]: For program point L745-187(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,228 INFO L899 garLoopResultBuilder]: For program point L745-188(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,228 INFO L895 garLoopResultBuilder]: At program point L745-189(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,229 INFO L899 garLoopResultBuilder]: For program point L745-190(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,229 INFO L899 garLoopResultBuilder]: For program point L745-193(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,229 INFO L895 garLoopResultBuilder]: At program point L745-194(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,229 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:06:00,229 INFO L899 garLoopResultBuilder]: For program point L745-202(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,233 INFO L895 garLoopResultBuilder]: At program point L745-203(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,233 INFO L899 garLoopResultBuilder]: For program point L745-210(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,233 INFO L899 garLoopResultBuilder]: For program point L745-212(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,234 INFO L895 garLoopResultBuilder]: At program point L745-214(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,234 INFO L899 garLoopResultBuilder]: For program point L745-215(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,234 INFO L899 garLoopResultBuilder]: For program point L745-225(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,234 INFO L895 garLoopResultBuilder]: At program point L752-9(lines 752 755) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:06:00,234 INFO L899 garLoopResultBuilder]: For program point L745-235(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,235 INFO L895 garLoopResultBuilder]: At program point L745-236(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,235 INFO L899 garLoopResultBuilder]: For program point L745-237(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,235 INFO L895 garLoopResultBuilder]: At program point L745-246(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,235 INFO L895 garLoopResultBuilder]: At program point L745-248(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,235 INFO L899 garLoopResultBuilder]: For program point L745-249(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,236 INFO L899 garLoopResultBuilder]: For program point L753-3(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,241 INFO L899 garLoopResultBuilder]: For program point L745-255(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,241 INFO L899 garLoopResultBuilder]: For program point L745-256(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,242 INFO L899 garLoopResultBuilder]: For program point L753-8(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,242 INFO L895 garLoopResultBuilder]: At program point L745-257(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,242 INFO L899 garLoopResultBuilder]: For program point L745-259(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,242 INFO L899 garLoopResultBuilder]: For program point L753-11(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,243 INFO L899 garLoopResultBuilder]: For program point L745-260(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,243 INFO L895 garLoopResultBuilder]: At program point L753-12(line 753) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:06:00,245 INFO L895 garLoopResultBuilder]: At program point L745-261(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,246 INFO L899 garLoopResultBuilder]: For program point L753-13(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,246 INFO L899 garLoopResultBuilder]: For program point L745-262(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,246 INFO L899 garLoopResultBuilder]: For program point L745-263(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,246 INFO L895 garLoopResultBuilder]: At program point L745-264(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,246 INFO L899 garLoopResultBuilder]: For program point L745-265(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,247 INFO L895 garLoopResultBuilder]: At program point L745-266(line 745) the Hoare annotation is: false [2023-11-21 22:06:00,247 INFO L899 garLoopResultBuilder]: For program point L745-267(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,247 INFO L899 garLoopResultBuilder]: For program point L745-268(line 745) no Hoare annotation was computed. [2023-11-21 22:06:00,247 INFO L902 garLoopResultBuilder]: At program point L745-269(line 745) the Hoare annotation is: true [2023-11-21 22:06:00,247 INFO L899 garLoopResultBuilder]: For program point L753-22(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,248 INFO L895 garLoopResultBuilder]: At program point L753-23(line 753) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:06:00,248 INFO L899 garLoopResultBuilder]: For program point L753-34(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,248 INFO L895 garLoopResultBuilder]: At program point L753-35(line 753) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:06:00,248 INFO L899 garLoopResultBuilder]: For program point L753-36(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,248 INFO L899 garLoopResultBuilder]: For program point L753-37(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,249 INFO L899 garLoopResultBuilder]: For program point L753-38(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,249 INFO L895 garLoopResultBuilder]: At program point L753-39(line 753) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:06:00,249 INFO L899 garLoopResultBuilder]: For program point L753-40(line 753) no Hoare annotation was computed. [2023-11-21 22:06:00,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 744) no Hoare annotation was computed. [2023-11-21 22:06:00,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 744) no Hoare annotation was computed. [2023-11-21 22:06:00,250 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:06:00,254 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-21 22:06:00,257 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:06:00,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:06:00 BoogieIcfgContainer [2023-11-21 22:06:00,286 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:06:00,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:06:00,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:06:00,287 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:06:00,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:00" (3/4) ... [2023-11-21 22:06:00,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:06:00,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 22:06:00,331 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 152 nodes and edges [2023-11-21 22:06:00,333 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-21 22:06:00,335 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:06:00,337 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:06:00,578 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:06:00,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:06:00,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:06:00,582 INFO L158 Benchmark]: Toolchain (without parser) took 63750.70ms. Allocated memory was 144.7MB in the beginning and 226.5MB in the end (delta: 81.8MB). Free memory was 97.8MB in the beginning and 78.0MB in the end (delta: 19.8MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2023-11-21 22:06:00,583 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 104.9MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:06:00,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 937.59ms. Allocated memory is still 144.7MB. Free memory was 97.8MB in the beginning and 110.2MB in the end (delta: -12.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-11-21 22:06:00,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.64ms. Allocated memory is still 144.7MB. Free memory was 110.2MB in the beginning and 103.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:06:00,584 INFO L158 Benchmark]: Boogie Preprocessor took 249.00ms. Allocated memory is still 144.7MB. Free memory was 103.9MB in the beginning and 90.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:06:00,588 INFO L158 Benchmark]: RCFGBuilder took 2764.98ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 90.6MB in the beginning and 119.7MB in the end (delta: -29.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2023-11-21 22:06:00,590 INFO L158 Benchmark]: TraceAbstraction took 59381.23ms. Allocated memory was 184.5MB in the beginning and 226.5MB in the end (delta: 41.9MB). Free memory was 118.7MB in the beginning and 90.6MB in the end (delta: 28.1MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2023-11-21 22:06:00,590 INFO L158 Benchmark]: Witness Printer took 295.03ms. Allocated memory is still 226.5MB. Free memory was 89.6MB in the beginning and 78.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:06:00,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 104.9MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 937.59ms. Allocated memory is still 144.7MB. Free memory was 97.8MB in the beginning and 110.2MB in the end (delta: -12.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.64ms. Allocated memory is still 144.7MB. Free memory was 110.2MB in the beginning and 103.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 249.00ms. Allocated memory is still 144.7MB. Free memory was 103.9MB in the beginning and 90.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2764.98ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 90.6MB in the beginning and 119.7MB in the end (delta: -29.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * TraceAbstraction took 59381.23ms. Allocated memory was 184.5MB in the beginning and 226.5MB in the end (delta: 41.9MB). Free memory was 118.7MB in the beginning and 90.6MB in the end (delta: 28.1MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Witness Printer took 295.03ms. Allocated memory is still 226.5MB. Free memory was 89.6MB in the beginning and 78.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: 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 2 procedures, 85 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 59.3s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 57.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 57.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 569 SdHoareTripleChecker+Invalid, 56.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 254 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 197 IncrementalHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 315 mSDtfsCounter, 197 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 64 PreInvPairs, 89 NumberOfFragments, 50 HoareAnnotationTreeSize, 64 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 283 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3/3 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 6 specifications checked. All of them hold - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((i == 0) && (sum == 0)) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 22:06:00,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f9f09a-26b5-4bb4-ad64-67974dd4c082/bin/uautomizer-verify-bycVGegfSx/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