./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU --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 64bit --witnessprinter.graph.data.programhash 04b35c270e791b1253a35f6211b50b51a431caefa3940d30ef9cf9440452ea96 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:50,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:51,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:11:51,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:51,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:51,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:51,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:51,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:51,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:51,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:51,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:51,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:51,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:51,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:51,137 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:51,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:51,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:51,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:51,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:51,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:51,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:51,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:51,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:51,141 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:11:51,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:11:51,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:51,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:51,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:51,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:51,147 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:51,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:51,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:51,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:51,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:51,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:51,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:51,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:51,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:51,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:51,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:51,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:51,153 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_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04b35c270e791b1253a35f6211b50b51a431caefa3940d30ef9cf9440452ea96 [2024-10-31 22:11:51,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:51,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:51,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:51,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:51,466 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:51,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i Unable to find full path for "g++" [2024-10-31 22:11:53,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:53,858 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:53,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-2.i [2024-10-31 22:11:53,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/data/f50a71c9b/7439a09ead3a4241a9e2fe0ed6236938/FLAGb21907625 [2024-10-31 22:11:53,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/data/f50a71c9b/7439a09ead3a4241a9e2fe0ed6236938 [2024-10-31 22:11:53,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:53,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:53,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:53,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:53,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:53,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:53" (1/1) ... [2024-10-31 22:11:53,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c63d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:53, skipping insertion in model container [2024-10-31 22:11:53,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:53" (1/1) ... [2024-10-31 22:11:54,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:55,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:55,422 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:55,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:55,835 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:55,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55 WrapperNode [2024-10-31 22:11:55,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:55,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:55,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:55,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:55,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:55,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:55,980 INFO L138 Inliner]: procedures = 597, calls = 520, calls flagged for inlining = 16, calls inlined = 14, statements flattened = 833 [2024-10-31 22:11:55,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:55,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:55,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:55,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:56,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,033 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-10-31 22:11:56,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:56,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:56,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:56,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:56,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (1/1) ... [2024-10-31 22:11:56,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:56,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:56,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:56,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2024-10-31 22:11:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2024-10-31 22:11:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:11:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-10-31 22:11:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-10-31 22:11:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:11:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:11:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:11:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:11:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-10-31 22:11:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-10-31 22:11:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-10-31 22:11:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-10-31 22:11:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:11:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:11:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:11:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-31 22:11:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:11:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:11:56,618 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:56,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:58,254 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:58,254 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:58,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:58,278 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-10-31 22:11:58,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:58 BoogieIcfgContainer [2024-10-31 22:11:58,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:58,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:58,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:58,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:58,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:53" (1/3) ... [2024-10-31 22:11:58,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d2916f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:58, skipping insertion in model container [2024-10-31 22:11:58,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:55" (2/3) ... [2024-10-31 22:11:58,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d2916f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:58, skipping insertion in model container [2024-10-31 22:11:58,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:58" (3/3) ... [2024-10-31 22:11:58,293 INFO L112 eAbstractionObserver]: Analyzing ICFG chgrp-incomplete-2.i [2024-10-31 22:11:58,313 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:58,313 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-10-31 22:11:58,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:58,412 INFO L333 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, 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;@301dd8f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:58,412 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2024-10-31 22:11:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 179 states, 125 states have (on average 1.696) internal successors, (212), 166 states have internal predecessors, (212), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:11:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:11:58,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:58,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:11:58,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:11:58,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:58,434 INFO L85 PathProgramCache]: Analyzing trace with hash 3265349, now seen corresponding path program 1 times [2024-10-31 22:11:58,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:58,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595839554] [2024-10-31 22:11:58,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:58,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:59,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:59,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595839554] [2024-10-31 22:11:59,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595839554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:59,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:59,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:59,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944125347] [2024-10-31 22:11:59,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:59,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:59,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:59,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:59,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:59,480 INFO L87 Difference]: Start difference. First operand has 179 states, 125 states have (on average 1.696) internal successors, (212), 166 states have internal predecessors, (212), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 2 states have (on average 2.0) 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) [2024-10-31 22:11:59,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:59,594 INFO L93 Difference]: Finished difference Result 336 states and 438 transitions. [2024-10-31 22:11:59,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:59,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) 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 [2024-10-31 22:11:59,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:59,611 INFO L225 Difference]: With dead ends: 336 [2024-10-31 22:11:59,611 INFO L226 Difference]: Without dead ends: 151 [2024-10-31 22:11:59,616 INFO L431 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 [2024-10-31 22:11:59,620 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:59,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 366 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:59,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-31 22:11:59,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-10-31 22:11:59,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 101 states have (on average 1.5841584158415842) internal successors, (160), 139 states have internal predecessors, (160), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:11:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2024-10-31 22:11:59,702 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 4 [2024-10-31 22:11:59,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:59,702 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2024-10-31 22:11:59,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) 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) [2024-10-31 22:11:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2024-10-31 22:11:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:11:59,704 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:59,704 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-31 22:11:59,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:11:59,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:11:59,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:59,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1506115753, now seen corresponding path program 1 times [2024-10-31 22:11:59,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:59,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717453076] [2024-10-31 22:11:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:00,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:00,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717453076] [2024-10-31 22:12:00,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717453076] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:00,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166660821] [2024-10-31 22:12:00,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:00,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:00,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:00,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:00,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:12:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:01,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:12:01,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:01,074 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:01,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166660821] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:01,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:01,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 22:12:01,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829044260] [2024-10-31 22:12:01,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:01,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:01,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:01,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:01,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:01,080 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-31 22:12:01,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:01,171 INFO L93 Difference]: Finished difference Result 151 states and 176 transitions. [2024-10-31 22:12:01,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:01,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-10-31 22:12:01,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:01,175 INFO L225 Difference]: With dead ends: 151 [2024-10-31 22:12:01,178 INFO L226 Difference]: Without dead ends: 150 [2024-10-31 22:12:01,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:01,180 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:01,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:01,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-31 22:12:01,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-10-31 22:12:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 101 states have (on average 1.5742574257425743) internal successors, (159), 138 states have internal predecessors, (159), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:01,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2024-10-31 22:12:01,203 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 7 [2024-10-31 22:12:01,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:01,204 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2024-10-31 22:12:01,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-31 22:12:01,204 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2024-10-31 22:12:01,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:12:01,209 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:01,209 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-31 22:12:01,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:12:01,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:01,410 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:01,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:01,411 INFO L85 PathProgramCache]: Analyzing trace with hash 555052034, now seen corresponding path program 1 times [2024-10-31 22:12:01,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:01,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897484137] [2024-10-31 22:12:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:01,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:12:01,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:01,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897484137] [2024-10-31 22:12:01,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897484137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:01,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:01,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:01,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602135113] [2024-10-31 22:12:01,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:01,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:01,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:01,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:01,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:01,791 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-31 22:12:01,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:01,823 INFO L93 Difference]: Finished difference Result 150 states and 175 transitions. [2024-10-31 22:12:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:01,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-10-31 22:12:01,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:01,825 INFO L225 Difference]: With dead ends: 150 [2024-10-31 22:12:01,826 INFO L226 Difference]: Without dead ends: 149 [2024-10-31 22:12:01,829 INFO L431 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 [2024-10-31 22:12:01,830 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:01,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 333 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:01,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-31 22:12:01,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2024-10-31 22:12:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 99 states have (on average 1.5757575757575757) internal successors, (156), 135 states have internal predecessors, (156), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2024-10-31 22:12:01,851 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 8 [2024-10-31 22:12:01,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:01,852 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2024-10-31 22:12:01,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-31 22:12:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2024-10-31 22:12:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:12:01,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:01,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:01,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:12:01,853 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:01,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:01,854 INFO L85 PathProgramCache]: Analyzing trace with hash 831545654, now seen corresponding path program 1 times [2024-10-31 22:12:01,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:01,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588066306] [2024-10-31 22:12:01,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:01,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:02,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:12:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:02,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:02,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588066306] [2024-10-31 22:12:02,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588066306] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:02,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131975868] [2024-10-31 22:12:02,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:02,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:02,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:02,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:02,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:12:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:03,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:12:03,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:12:03,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:03,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131975868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:03,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:03,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:12:03,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895785414] [2024-10-31 22:12:03,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:03,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:03,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:03,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:03,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:03,048 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:03,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:03,095 INFO L93 Difference]: Finished difference Result 147 states and 172 transitions. [2024-10-31 22:12:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:03,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-10-31 22:12:03,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:03,097 INFO L225 Difference]: With dead ends: 147 [2024-10-31 22:12:03,098 INFO L226 Difference]: Without dead ends: 145 [2024-10-31 22:12:03,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:03,099 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 114 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:03,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 204 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:03,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-31 22:12:03,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-10-31 22:12:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 99 states have (on average 1.5555555555555556) internal successors, (154), 133 states have internal predecessors, (154), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2024-10-31 22:12:03,114 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 13 [2024-10-31 22:12:03,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:03,119 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2024-10-31 22:12:03,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2024-10-31 22:12:03,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:12:03,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:03,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:03,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:12:03,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:03,321 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:03,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:03,322 INFO L85 PathProgramCache]: Analyzing trace with hash 8111628, now seen corresponding path program 1 times [2024-10-31 22:12:03,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:03,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089758597] [2024-10-31 22:12:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:03,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:03,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:12:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:03,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:03,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089758597] [2024-10-31 22:12:03,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089758597] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:03,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432628858] [2024-10-31 22:12:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:03,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:03,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:03,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:03,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:12:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:04,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:12:04,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:04,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:04,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432628858] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:04,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:04,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 22:12:04,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349319853] [2024-10-31 22:12:04,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:04,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:12:04,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:04,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:12:04,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:04,451 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:12:04,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:04,518 INFO L93 Difference]: Finished difference Result 293 states and 345 transitions. [2024-10-31 22:12:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:12:04,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-31 22:12:04,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:04,523 INFO L225 Difference]: With dead ends: 293 [2024-10-31 22:12:04,524 INFO L226 Difference]: Without dead ends: 154 [2024-10-31 22:12:04,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:04,525 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 4 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:04,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 655 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:04,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-31 22:12:04,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-31 22:12:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 108 states have (on average 1.5092592592592593) internal successors, (163), 142 states have internal predecessors, (163), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:04,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 179 transitions. [2024-10-31 22:12:04,549 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 179 transitions. Word has length 14 [2024-10-31 22:12:04,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:04,549 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 179 transitions. [2024-10-31 22:12:04,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:12:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2024-10-31 22:12:04,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 22:12:04,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:04,551 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:04,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:04,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:04,752 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:04,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:04,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1948562210, now seen corresponding path program 2 times [2024-10-31 22:12:04,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:04,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349386822] [2024-10-31 22:12:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:04,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:05,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:12:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:05,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:05,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349386822] [2024-10-31 22:12:05,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349386822] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:05,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142093172] [2024-10-31 22:12:05,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:12:05,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:05,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:05,394 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:05,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:12:05,950 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:12:05,950 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:12:05,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:12:05,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:12:06,030 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:06,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142093172] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:06,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:06,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-31 22:12:06,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881871806] [2024-10-31 22:12:06,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:06,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:12:06,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:06,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:12:06,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:12:06,033 INFO L87 Difference]: Start difference. First operand 154 states and 179 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:06,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:06,116 INFO L93 Difference]: Finished difference Result 154 states and 179 transitions. [2024-10-31 22:12:06,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:12:06,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-31 22:12:06,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:06,119 INFO L225 Difference]: With dead ends: 154 [2024-10-31 22:12:06,119 INFO L226 Difference]: Without dead ends: 152 [2024-10-31 22:12:06,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:12:06,122 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 113 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:06,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 504 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:06,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-31 22:12:06,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-10-31 22:12:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 108 states have (on average 1.4907407407407407) internal successors, (161), 140 states have internal predecessors, (161), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 177 transitions. [2024-10-31 22:12:06,139 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 177 transitions. Word has length 23 [2024-10-31 22:12:06,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:06,143 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 177 transitions. [2024-10-31 22:12:06,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 177 transitions. [2024-10-31 22:12:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-31 22:12:06,144 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:06,144 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:06,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:06,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-31 22:12:06,345 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:06,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:06,346 INFO L85 PathProgramCache]: Analyzing trace with hash -676643343, now seen corresponding path program 1 times [2024-10-31 22:12:06,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:06,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278257633] [2024-10-31 22:12:06,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:06,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:06,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:12:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:12:06,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:06,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278257633] [2024-10-31 22:12:06,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278257633] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:06,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:06,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:06,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329872612] [2024-10-31 22:12:06,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:06,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:06,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:06,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:06,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:06,801 INFO L87 Difference]: Start difference. First operand 152 states and 177 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:06,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:06,835 INFO L93 Difference]: Finished difference Result 286 states and 337 transitions. [2024-10-31 22:12:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:06,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-10-31 22:12:06,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:06,837 INFO L225 Difference]: With dead ends: 286 [2024-10-31 22:12:06,838 INFO L226 Difference]: Without dead ends: 155 [2024-10-31 22:12:06,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:06,840 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:06,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 322 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:06,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-31 22:12:06,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-10-31 22:12:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 111 states have (on average 1.4774774774774775) internal successors, (164), 143 states have internal predecessors, (164), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2024-10-31 22:12:06,853 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 28 [2024-10-31 22:12:06,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:06,854 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2024-10-31 22:12:06,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2024-10-31 22:12:06,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-31 22:12:06,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:06,855 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:06,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:12:06,855 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:06,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:06,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1600157427, now seen corresponding path program 1 times [2024-10-31 22:12:06,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:06,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353018379] [2024-10-31 22:12:06,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:06,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:07,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:12:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:12:07,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:07,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353018379] [2024-10-31 22:12:07,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353018379] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:07,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966318173] [2024-10-31 22:12:07,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:07,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:07,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:07,325 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:07,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:12:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:07,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:12:07,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:12:08,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:12:08,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966318173] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:08,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:08,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-10-31 22:12:08,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668865972] [2024-10-31 22:12:08,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:08,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 22:12:08,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:08,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:12:08,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:12:08,174 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:12:08,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:08,368 INFO L93 Difference]: Finished difference Result 312 states and 368 transitions. [2024-10-31 22:12:08,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:12:08,373 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-10-31 22:12:08,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:08,374 INFO L225 Difference]: With dead ends: 312 [2024-10-31 22:12:08,375 INFO L226 Difference]: Without dead ends: 172 [2024-10-31 22:12:08,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:12:08,377 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 5 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:08,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 778 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:08,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-10-31 22:12:08,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-10-31 22:12:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 129 states have (on average 1.4031007751937985) internal successors, (181), 160 states have internal predecessors, (181), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:08,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 197 transitions. [2024-10-31 22:12:08,391 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 197 transitions. Word has length 31 [2024-10-31 22:12:08,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:08,391 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 197 transitions. [2024-10-31 22:12:08,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:12:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 197 transitions. [2024-10-31 22:12:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:12:08,396 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:08,396 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:08,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:08,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:08,597 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:08,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:08,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1334538579, now seen corresponding path program 1 times [2024-10-31 22:12:08,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:08,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871804927] [2024-10-31 22:12:08,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:08,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:09,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-31 22:12:09,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:09,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871804927] [2024-10-31 22:12:09,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871804927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:09,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:09,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:09,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938113794] [2024-10-31 22:12:09,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:09,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:09,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:09,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:09,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:09,049 INFO L87 Difference]: Start difference. First operand 172 states and 197 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:09,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:09,096 INFO L93 Difference]: Finished difference Result 185 states and 212 transitions. [2024-10-31 22:12:09,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:09,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2024-10-31 22:12:09,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:09,098 INFO L225 Difference]: With dead ends: 185 [2024-10-31 22:12:09,098 INFO L226 Difference]: Without dead ends: 183 [2024-10-31 22:12:09,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:09,099 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:09,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 317 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:09,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-31 22:12:09,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 182. [2024-10-31 22:12:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 139 states have (on average 1.39568345323741) internal successors, (194), 170 states have internal predecessors, (194), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 210 transitions. [2024-10-31 22:12:09,109 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 210 transitions. Word has length 50 [2024-10-31 22:12:09,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:09,110 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 210 transitions. [2024-10-31 22:12:09,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 210 transitions. [2024-10-31 22:12:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:12:09,111 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:09,111 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:09,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:12:09,112 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:09,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:09,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1334536850, now seen corresponding path program 1 times [2024-10-31 22:12:09,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:09,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50770849] [2024-10-31 22:12:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:09,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:09,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-31 22:12:09,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:09,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50770849] [2024-10-31 22:12:09,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50770849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:09,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:09,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:09,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028545468] [2024-10-31 22:12:09,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:09,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:09,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:09,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:09,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:09,514 INFO L87 Difference]: Start difference. First operand 182 states and 210 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:09,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:09,539 INFO L93 Difference]: Finished difference Result 182 states and 210 transitions. [2024-10-31 22:12:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:09,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2024-10-31 22:12:09,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:09,541 INFO L225 Difference]: With dead ends: 182 [2024-10-31 22:12:09,541 INFO L226 Difference]: Without dead ends: 181 [2024-10-31 22:12:09,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:09,542 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:09,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:09,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-31 22:12:09,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177. [2024-10-31 22:12:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 135 states have (on average 1.3925925925925926) internal successors, (188), 165 states have internal predecessors, (188), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2024-10-31 22:12:09,551 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 50 [2024-10-31 22:12:09,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:09,551 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2024-10-31 22:12:09,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:09,552 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2024-10-31 22:12:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-31 22:12:09,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:09,553 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:09,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:12:09,553 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:09,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:09,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1452890104, now seen corresponding path program 1 times [2024-10-31 22:12:09,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:09,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221320855] [2024-10-31 22:12:09,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:09,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:09,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-31 22:12:09,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:09,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221320855] [2024-10-31 22:12:09,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221320855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:09,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:09,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:09,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107232066] [2024-10-31 22:12:09,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:09,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:09,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:09,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:09,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:09,941 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:09,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:09,967 INFO L93 Difference]: Finished difference Result 182 states and 209 transitions. [2024-10-31 22:12:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:09,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-10-31 22:12:09,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:09,969 INFO L225 Difference]: With dead ends: 182 [2024-10-31 22:12:09,969 INFO L226 Difference]: Without dead ends: 180 [2024-10-31 22:12:09,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:09,970 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:09,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 320 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:09,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-31 22:12:09,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-10-31 22:12:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 138 states have (on average 1.3840579710144927) internal successors, (191), 168 states have internal predecessors, (191), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:12:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 207 transitions. [2024-10-31 22:12:09,980 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 207 transitions. Word has length 52 [2024-10-31 22:12:09,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:09,980 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 207 transitions. [2024-10-31 22:12:09,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 207 transitions. [2024-10-31 22:12:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:12:09,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:09,981 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:09,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:12:09,982 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:09,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:09,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1631752622, now seen corresponding path program 1 times [2024-10-31 22:12:09,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:09,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855626426] [2024-10-31 22:12:09,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:09,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-31 22:12:10,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:10,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855626426] [2024-10-31 22:12:10,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855626426] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:10,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454394219] [2024-10-31 22:12:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:10,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:10,437 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:10,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:12:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:11,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 1370 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:12:11,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:11,227 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-31 22:12:11,227 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:11,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454394219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:11,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:11,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2024-10-31 22:12:11,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410728251] [2024-10-31 22:12:11,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:11,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:12:11,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:11,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:12:11,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:11,230 INFO L87 Difference]: Start difference. First operand 180 states and 207 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:11,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:11,333 INFO L93 Difference]: Finished difference Result 275 states and 317 transitions. [2024-10-31 22:12:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:12:11,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-10-31 22:12:11,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:11,336 INFO L225 Difference]: With dead ends: 275 [2024-10-31 22:12:11,336 INFO L226 Difference]: Without dead ends: 262 [2024-10-31 22:12:11,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:11,337 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 93 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:11,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 556 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:11,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-31 22:12:11,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 188. [2024-10-31 22:12:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 145 states have (on average 1.3724137931034484) internal successors, (199), 175 states have internal predecessors, (199), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:12:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 217 transitions. [2024-10-31 22:12:11,353 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 217 transitions. Word has length 55 [2024-10-31 22:12:11,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:11,354 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 217 transitions. [2024-10-31 22:12:11,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:11,355 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 217 transitions. [2024-10-31 22:12:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-31 22:12:11,358 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:11,359 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-10-31 22:12:11,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:12:11,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-31 22:12:11,560 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:11,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:11,561 INFO L85 PathProgramCache]: Analyzing trace with hash -735708219, now seen corresponding path program 1 times [2024-10-31 22:12:11,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:11,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595301484] [2024-10-31 22:12:11,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:11,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:11,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-31 22:12:11,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:11,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595301484] [2024-10-31 22:12:11,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595301484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:11,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:11,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:11,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515487435] [2024-10-31 22:12:11,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:11,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:11,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:11,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:11,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:11,997 INFO L87 Difference]: Start difference. First operand 188 states and 217 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:12,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:12,015 INFO L93 Difference]: Finished difference Result 309 states and 360 transitions. [2024-10-31 22:12:12,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:12,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-10-31 22:12:12,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:12,017 INFO L225 Difference]: With dead ends: 309 [2024-10-31 22:12:12,018 INFO L226 Difference]: Without dead ends: 190 [2024-10-31 22:12:12,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:12,019 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 3 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:12,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 321 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:12,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-10-31 22:12:12,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-10-31 22:12:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 147 states have (on average 1.3673469387755102) internal successors, (201), 177 states have internal predecessors, (201), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:12:12,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 219 transitions. [2024-10-31 22:12:12,031 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 219 transitions. Word has length 57 [2024-10-31 22:12:12,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:12,031 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 219 transitions. [2024-10-31 22:12:12,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:12,032 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 219 transitions. [2024-10-31 22:12:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-31 22:12:12,033 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:12,033 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-10-31 22:12:12,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:12:12,034 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:12,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:12,035 INFO L85 PathProgramCache]: Analyzing trace with hash -827301692, now seen corresponding path program 1 times [2024-10-31 22:12:12,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:12,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747855484] [2024-10-31 22:12:12,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:12,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:12,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-31 22:12:12,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:12,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747855484] [2024-10-31 22:12:12,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747855484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:12,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:12,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:12,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402997591] [2024-10-31 22:12:12,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:12,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:12,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:12,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:12,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:12,522 INFO L87 Difference]: Start difference. First operand 190 states and 219 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:12,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:12,557 INFO L93 Difference]: Finished difference Result 198 states and 230 transitions. [2024-10-31 22:12:12,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:12,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2024-10-31 22:12:12,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:12,560 INFO L225 Difference]: With dead ends: 198 [2024-10-31 22:12:12,560 INFO L226 Difference]: Without dead ends: 196 [2024-10-31 22:12:12,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:12,561 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 3 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:12,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 317 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:12,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-10-31 22:12:12,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 194. [2024-10-31 22:12:12,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 151 states have (on average 1.3708609271523178) internal successors, (207), 181 states have internal predecessors, (207), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:12:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 225 transitions. [2024-10-31 22:12:12,573 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 225 transitions. Word has length 58 [2024-10-31 22:12:12,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:12,573 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 225 transitions. [2024-10-31 22:12:12,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 225 transitions. [2024-10-31 22:12:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-31 22:12:12,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:12,575 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:12,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:12:12,575 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:12,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:12,576 INFO L85 PathProgramCache]: Analyzing trace with hash 283565270, now seen corresponding path program 1 times [2024-10-31 22:12:12,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:12,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138618798] [2024-10-31 22:12:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-31 22:12:13,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:13,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138618798] [2024-10-31 22:12:13,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138618798] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:13,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384335000] [2024-10-31 22:12:13,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:13,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:13,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:13,054 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:13,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:12:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:13,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:12:13,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-31 22:12:13,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-31 22:12:13,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384335000] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:13,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:13,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 22:12:13,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28278482] [2024-10-31 22:12:13,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:13,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:12:13,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:13,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:12:13,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:13,883 INFO L87 Difference]: Start difference. First operand 194 states and 225 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:13,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:13,932 INFO L93 Difference]: Finished difference Result 354 states and 416 transitions. [2024-10-31 22:12:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:12:13,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2024-10-31 22:12:13,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:13,933 INFO L225 Difference]: With dead ends: 354 [2024-10-31 22:12:13,934 INFO L226 Difference]: Without dead ends: 212 [2024-10-31 22:12:13,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:13,935 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 4 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:13,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 320 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:13,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-31 22:12:13,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-10-31 22:12:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 169 states have (on average 1.331360946745562) internal successors, (225), 199 states have internal predecessors, (225), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:12:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 243 transitions. [2024-10-31 22:12:13,950 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 243 transitions. Word has length 58 [2024-10-31 22:12:13,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:13,951 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 243 transitions. [2024-10-31 22:12:13,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 243 transitions. [2024-10-31 22:12:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-31 22:12:13,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:13,952 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-10-31 22:12:13,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:12:14,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-31 22:12:14,154 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:14,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:14,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1248749501, now seen corresponding path program 1 times [2024-10-31 22:12:14,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:14,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165957933] [2024-10-31 22:12:14,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:14,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:14,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-31 22:12:14,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:14,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165957933] [2024-10-31 22:12:14,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165957933] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:14,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879355872] [2024-10-31 22:12:14,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:14,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:14,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:14,613 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:14,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 22:12:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:15,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:12:15,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-31 22:12:15,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:15,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879355872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:15,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:15,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 22:12:15,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921772944] [2024-10-31 22:12:15,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:15,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:15,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:15,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:15,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:15,392 INFO L87 Difference]: Start difference. First operand 212 states and 243 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:15,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:15,435 INFO L93 Difference]: Finished difference Result 214 states and 246 transitions. [2024-10-31 22:12:15,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:15,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-10-31 22:12:15,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:15,437 INFO L225 Difference]: With dead ends: 214 [2024-10-31 22:12:15,437 INFO L226 Difference]: Without dead ends: 213 [2024-10-31 22:12:15,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:15,438 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 5 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:15,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 473 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:15,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-31 22:12:15,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2024-10-31 22:12:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 169 states have (on average 1.3254437869822486) internal successors, (224), 198 states have internal predecessors, (224), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:12:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 242 transitions. [2024-10-31 22:12:15,448 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 242 transitions. Word has length 62 [2024-10-31 22:12:15,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:15,449 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 242 transitions. [2024-10-31 22:12:15,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 242 transitions. [2024-10-31 22:12:15,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-31 22:12:15,450 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:15,450 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 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] [2024-10-31 22:12:15,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-31 22:12:15,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-31 22:12:15,651 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:15,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:15,652 INFO L85 PathProgramCache]: Analyzing trace with hash 56528944, now seen corresponding path program 1 times [2024-10-31 22:12:15,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:15,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253402585] [2024-10-31 22:12:15,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:15,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-31 22:12:16,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:16,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253402585] [2024-10-31 22:12:16,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253402585] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:16,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072924067] [2024-10-31 22:12:16,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:16,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:16,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:16,126 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:16,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 22:12:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:16,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:12:16,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-31 22:12:16,912 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-31 22:12:16,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072924067] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:16,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:16,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-31 22:12:16,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899405059] [2024-10-31 22:12:16,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:16,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:12:16,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:16,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:12:16,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:16,954 INFO L87 Difference]: Start difference. First operand 211 states and 242 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:17,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:17,023 INFO L93 Difference]: Finished difference Result 232 states and 275 transitions. [2024-10-31 22:12:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:12:17,024 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-10-31 22:12:17,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:17,025 INFO L225 Difference]: With dead ends: 232 [2024-10-31 22:12:17,025 INFO L226 Difference]: Without dead ends: 231 [2024-10-31 22:12:17,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:17,026 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 14 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:17,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 477 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:17,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-10-31 22:12:17,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 223. [2024-10-31 22:12:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 181 states have (on average 1.3370165745856353) internal successors, (242), 210 states have internal predecessors, (242), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:12:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 260 transitions. [2024-10-31 22:12:17,038 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 260 transitions. Word has length 63 [2024-10-31 22:12:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:17,038 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 260 transitions. [2024-10-31 22:12:17,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 260 transitions. [2024-10-31 22:12:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-31 22:12:17,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:17,040 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 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] [2024-10-31 22:12:17,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-31 22:12:17,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-31 22:12:17,241 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:17,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:17,241 INFO L85 PathProgramCache]: Analyzing trace with hash -154042231, now seen corresponding path program 1 times [2024-10-31 22:12:17,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:17,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565813499] [2024-10-31 22:12:17,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:17,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:17,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-10-31 22:12:17,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:17,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565813499] [2024-10-31 22:12:17,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565813499] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:17,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123488325] [2024-10-31 22:12:17,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:17,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:17,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:17,783 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:17,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-31 22:12:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:18,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 1513 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:12:18,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-31 22:12:18,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-31 22:12:18,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123488325] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:18,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:18,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-10-31 22:12:18,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168240512] [2024-10-31 22:12:18,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:18,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 22:12:18,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:18,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:12:18,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:12:18,846 INFO L87 Difference]: Start difference. First operand 223 states and 260 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:19,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:19,044 INFO L93 Difference]: Finished difference Result 420 states and 501 transitions. [2024-10-31 22:12:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:12:19,048 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2024-10-31 22:12:19,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:19,050 INFO L225 Difference]: With dead ends: 420 [2024-10-31 22:12:19,050 INFO L226 Difference]: Without dead ends: 258 [2024-10-31 22:12:19,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:12:19,051 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 5 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:19,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 920 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:12:19,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-31 22:12:19,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-10-31 22:12:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 217 states have (on average 1.2764976958525345) internal successors, (277), 245 states have internal predecessors, (277), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:12:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 295 transitions. [2024-10-31 22:12:19,082 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 295 transitions. Word has length 72 [2024-10-31 22:12:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:19,083 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 295 transitions. [2024-10-31 22:12:19,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 295 transitions. [2024-10-31 22:12:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-31 22:12:19,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:19,088 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 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, 1, 1, 1, 1] [2024-10-31 22:12:19,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-31 22:12:19,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b951ad-dbc8-453c-bb58-5b2e3dd41cf1/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 22:12:19,289 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-10-31 22:12:19,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:19,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1016263439, now seen corresponding path program 1 times [2024-10-31 22:12:19,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:19,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499100377] [2024-10-31 22:12:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:19,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:19,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:12:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:20,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:12:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:20,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:12:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:20,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-31 22:12:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-10-31 22:12:20,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:20,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499100377] [2024-10-31 22:12:20,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499100377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:20,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:20,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:12:20,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906711086] [2024-10-31 22:12:20,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:20,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:12:20,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:20,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:12:20,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:12:20,124 INFO L87 Difference]: Start difference. First operand 258 states and 295 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)