./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya --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 98b8c9945e108e03ae0147f47aa3594ac134e1706a3b8ed0d0bfef5164076027 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:30:53,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:30:53,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-28 23:30:53,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:30:53,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:30:53,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:30:53,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:30:53,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:30:53,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:30:53,904 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:30:53,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:30:53,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:30:53,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:30:53,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:30:53,907 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:30:53,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:30:53,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:30:53,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:30:53,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:30:53,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:30:53,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:30:53,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:30:53,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-28 23:30:53,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:30:53,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:30:53,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:30:53,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:30:53,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:30:53,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:30:53,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:30:53,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:30:53,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:30:53,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:30:53,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:30:53,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:30:53,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:30:53,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:30:53,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:30:53,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:30:53,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:30:53,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:30:53,916 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_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98b8c9945e108e03ae0147f47aa3594ac134e1706a3b8ed0d0bfef5164076027 [2023-11-28 23:30:54,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:30:54,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:30:54,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:30:54,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:30:54,166 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:30:54,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/rm-2.i [2023-11-28 23:30:56,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:30:57,138 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:30:57,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/sv-benchmarks/c/busybox-1.22.0/rm-2.i [2023-11-28 23:30:57,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/data/4ffed4cea/341f6753fb604f12ada6d306af5735fa/FLAGb7a57ba22 [2023-11-28 23:30:57,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/data/4ffed4cea/341f6753fb604f12ada6d306af5735fa [2023-11-28 23:30:57,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:30:57,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:30:57,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:30:57,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:30:57,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:30:57,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:30:57" (1/1) ... [2023-11-28 23:30:57,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5fb79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:57, skipping insertion in model container [2023-11-28 23:30:57,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:30:57" (1/1) ... [2023-11-28 23:30:57,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:30:58,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:30:58,495 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:30:58,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:30:58,823 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:30:58,823 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:30:58,823 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:30:58,823 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:30:58,823 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:30:58,831 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:30:58,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58 WrapperNode [2023-11-28 23:30:58,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:30:58,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:30:58,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:30:58,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:30:58,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:58,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:58,974 INFO L138 Inliner]: procedures = 665, calls = 522, calls flagged for inlining = 33, calls inlined = 32, statements flattened = 2284 [2023-11-28 23:30:58,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:30:58,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:30:58,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:30:58,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:30:58,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:58,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:59,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:59,015 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-28 23:30:59,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:59,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:59,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:59,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:59,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:59,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:59,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:30:59,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:30:59,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:30:59,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:30:59,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (1/1) ... [2023-11-28 23:30:59,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:30:59,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:30:59,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:30:59,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:30:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2023-11-28 23:30:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2023-11-28 23:30:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-28 23:30:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-28 23:30:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-28 23:30:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:30:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-28 23:30:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-28 23:30:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-28 23:30:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-28 23:30:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-28 23:30:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ask_confirmation [2023-11-28 23:30:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ask_confirmation [2023-11-28 23:30:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-28 23:30:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-28 23:30:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:30:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-28 23:30:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:30:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:30:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-28 23:30:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-28 23:30:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-28 23:30:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-28 23:30:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-28 23:30:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-28 23:30:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure remove_file [2023-11-28 23:30:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_file [2023-11-28 23:30:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure access [2023-11-28 23:30:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure access [2023-11-28 23:30:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-28 23:30:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-28 23:30:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 23:30:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 23:30:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-28 23:30:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 23:30:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-28 23:30:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-28 23:30:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2023-11-28 23:30:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2023-11-28 23:30:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-28 23:30:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg [2023-11-28 23:30:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg [2023-11-28 23:30:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-28 23:30:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2023-11-28 23:30:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isatty [2023-11-28 23:30:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-28 23:30:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-28 23:30:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-28 23:30:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-28 23:30:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2023-11-28 23:30:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2023-11-28 23:30:59,670 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:30:59,673 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:31:01,653 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:31:01,718 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:31:01,718 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-28 23:31:01,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:01 BoogieIcfgContainer [2023-11-28 23:31:01,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:31:01,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:31:01,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:31:01,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:31:01,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:30:57" (1/3) ... [2023-11-28 23:31:01,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c7442f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:31:01, skipping insertion in model container [2023-11-28 23:31:01,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:30:58" (2/3) ... [2023-11-28 23:31:01,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c7442f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:31:01, skipping insertion in model container [2023-11-28 23:31:01,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:01" (3/3) ... [2023-11-28 23:31:01,727 INFO L112 eAbstractionObserver]: Analyzing ICFG rm-2.i [2023-11-28 23:31:01,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:31:01,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-11-28 23:31:01,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:31:01,802 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45a57a18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:31:01,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2023-11-28 23:31:01,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 667 states, 529 states have (on average 1.6994328922495274) internal successors, (899), 601 states have internal predecessors, (899), 52 states have call successors, (52), 15 states have call predecessors, (52), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-28 23:31:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-28 23:31:01,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:01,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-28 23:31:01,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:01,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:01,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2224563, now seen corresponding path program 1 times [2023-11-28 23:31:01,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:01,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238363044] [2023-11-28 23:31:01,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:01,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:02,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:02,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238363044] [2023-11-28 23:31:02,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238363044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:02,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:02,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:31:02,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422349095] [2023-11-28 23:31:02,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:02,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:31:02,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:02,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:31:02,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:02,246 INFO L87 Difference]: Start difference. First operand has 667 states, 529 states have (on average 1.6994328922495274) internal successors, (899), 601 states have internal predecessors, (899), 52 states have call successors, (52), 15 states have call predecessors, (52), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:31:02,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:02,471 INFO L93 Difference]: Finished difference Result 1327 states and 2035 transitions. [2023-11-28 23:31:02,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:31:02,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-28 23:31:02,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:02,488 INFO L225 Difference]: With dead ends: 1327 [2023-11-28 23:31:02,488 INFO L226 Difference]: Without dead ends: 661 [2023-11-28 23:31:02,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:02,500 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 1 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:02,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1824 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:31:02,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2023-11-28 23:31:02,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2023-11-28 23:31:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 525 states have (on average 1.620952380952381) internal successors, (851), 601 states have internal predecessors, (851), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 949 transitions. [2023-11-28 23:31:02,588 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 949 transitions. Word has length 3 [2023-11-28 23:31:02,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:02,589 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 949 transitions. [2023-11-28 23:31:02,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:31:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 949 transitions. [2023-11-28 23:31:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-28 23:31:02,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:02,590 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-28 23:31:02,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 23:31:02,590 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:02,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:02,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1848252059, now seen corresponding path program 1 times [2023-11-28 23:31:02,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:02,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725704688] [2023-11-28 23:31:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:02,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:02,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725704688] [2023-11-28 23:31:02,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725704688] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:02,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393150096] [2023-11-28 23:31:02,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:02,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:02,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:02,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:02,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 23:31:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:03,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:31:03,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:03,118 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:31:03,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393150096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:03,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:31:03,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-11-28 23:31:03,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577386586] [2023-11-28 23:31:03,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:03,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:31:03,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:03,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:31:03,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:31:03,123 INFO L87 Difference]: Start difference. First operand 661 states and 949 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:31:03,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:03,289 INFO L93 Difference]: Finished difference Result 661 states and 949 transitions. [2023-11-28 23:31:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:31:03,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-28 23:31:03,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:03,296 INFO L225 Difference]: With dead ends: 661 [2023-11-28 23:31:03,296 INFO L226 Difference]: Without dead ends: 660 [2023-11-28 23:31:03,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:31:03,298 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 5 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:03,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1817 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:31:03,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2023-11-28 23:31:03,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2023-11-28 23:31:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 525 states have (on average 1.619047619047619) internal successors, (850), 600 states have internal predecessors, (850), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 948 transitions. [2023-11-28 23:31:03,336 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 948 transitions. Word has length 6 [2023-11-28 23:31:03,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:03,336 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 948 transitions. [2023-11-28 23:31:03,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:31:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 948 transitions. [2023-11-28 23:31:03,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-28 23:31:03,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:03,337 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2023-11-28 23:31:03,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:31:03,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:03,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:03,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:03,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1461239792, now seen corresponding path program 1 times [2023-11-28 23:31:03,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:03,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816309794] [2023-11-28 23:31:03,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:03,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-28 23:31:03,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:03,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816309794] [2023-11-28 23:31:03,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816309794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:03,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:03,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:31:03,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037314976] [2023-11-28 23:31:03,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:03,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:31:03,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:03,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:31:03,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:03,668 INFO L87 Difference]: Start difference. First operand 660 states and 948 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2023-11-28 23:31:03,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:03,777 INFO L93 Difference]: Finished difference Result 660 states and 948 transitions. [2023-11-28 23:31:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:31:03,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2023-11-28 23:31:03,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:03,783 INFO L225 Difference]: With dead ends: 660 [2023-11-28 23:31:03,783 INFO L226 Difference]: Without dead ends: 659 [2023-11-28 23:31:03,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:03,785 INFO L413 NwaCegarLoop]: 910 mSDtfsCounter, 0 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:03,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1818 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:31:03,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2023-11-28 23:31:03,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 657. [2023-11-28 23:31:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 523 states have (on average 1.6195028680688337) internal successors, (847), 597 states have internal predecessors, (847), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 945 transitions. [2023-11-28 23:31:03,813 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 945 transitions. Word has length 7 [2023-11-28 23:31:03,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:03,813 INFO L495 AbstractCegarLoop]: Abstraction has 657 states and 945 transitions. [2023-11-28 23:31:03,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2023-11-28 23:31:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 945 transitions. [2023-11-28 23:31:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-28 23:31:03,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:03,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:03,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 23:31:03,815 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:03,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:03,815 INFO L85 PathProgramCache]: Analyzing trace with hash -906078348, now seen corresponding path program 1 times [2023-11-28 23:31:03,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:03,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596806539] [2023-11-28 23:31:03,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:03,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-28 23:31:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:03,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:03,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596806539] [2023-11-28 23:31:03,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596806539] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:03,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299435152] [2023-11-28 23:31:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:03,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:03,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:03,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 23:31:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:04,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:31:04,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-28 23:31:04,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:31:04,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299435152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:04,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:31:04,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-28 23:31:04,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241615564] [2023-11-28 23:31:04,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:04,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:31:04,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:04,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:31:04,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:31:04,280 INFO L87 Difference]: Start difference. First operand 657 states and 945 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:04,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:04,421 INFO L93 Difference]: Finished difference Result 657 states and 945 transitions. [2023-11-28 23:31:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:31:04,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-28 23:31:04,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:04,427 INFO L225 Difference]: With dead ends: 657 [2023-11-28 23:31:04,427 INFO L226 Difference]: Without dead ends: 655 [2023-11-28 23:31:04,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:31:04,429 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 497 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:04,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 1315 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:31:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2023-11-28 23:31:04,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655. [2023-11-28 23:31:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 523 states have (on average 1.615678776290631) internal successors, (845), 595 states have internal predecessors, (845), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:04,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 943 transitions. [2023-11-28 23:31:04,459 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 943 transitions. Word has length 12 [2023-11-28 23:31:04,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:04,460 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 943 transitions. [2023-11-28 23:31:04,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:04,461 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 943 transitions. [2023-11-28 23:31:04,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-28 23:31:04,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:04,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:04,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-28 23:31:04,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:04,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:04,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:04,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1976343104, now seen corresponding path program 1 times [2023-11-28 23:31:04,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:04,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770571594] [2023-11-28 23:31:04,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:04,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:04,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-28 23:31:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:04,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:04,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770571594] [2023-11-28 23:31:04,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770571594] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:04,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230835041] [2023-11-28 23:31:04,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:04,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:04,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:04,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:04,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 23:31:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:05,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:31:05,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:05,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:31:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:05,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230835041] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:31:05,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:31:05,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2023-11-28 23:31:05,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294033813] [2023-11-28 23:31:05,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:31:05,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 23:31:05,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:05,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:31:05,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:31:05,130 INFO L87 Difference]: Start difference. First operand 655 states and 943 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-11-28 23:31:05,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:05,390 INFO L93 Difference]: Finished difference Result 1314 states and 1892 transitions. [2023-11-28 23:31:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:31:05,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 13 [2023-11-28 23:31:05,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:05,396 INFO L225 Difference]: With dead ends: 1314 [2023-11-28 23:31:05,396 INFO L226 Difference]: Without dead ends: 664 [2023-11-28 23:31:05,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:31:05,399 INFO L413 NwaCegarLoop]: 908 mSDtfsCounter, 4 mSDsluCounter, 3624 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4532 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:05,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4532 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 23:31:05,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2023-11-28 23:31:05,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 664. [2023-11-28 23:31:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 532 states have (on average 1.605263157894737) internal successors, (854), 604 states have internal predecessors, (854), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 952 transitions. [2023-11-28 23:31:05,428 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 952 transitions. Word has length 13 [2023-11-28 23:31:05,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:05,429 INFO L495 AbstractCegarLoop]: Abstraction has 664 states and 952 transitions. [2023-11-28 23:31:05,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-11-28 23:31:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 952 transitions. [2023-11-28 23:31:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-28 23:31:05,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:05,430 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:05,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-28 23:31:05,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:05,635 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:05,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:05,636 INFO L85 PathProgramCache]: Analyzing trace with hash -306436568, now seen corresponding path program 2 times [2023-11-28 23:31:05,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:05,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600768136] [2023-11-28 23:31:05,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:05,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 23:31:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:05,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:05,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600768136] [2023-11-28 23:31:05,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600768136] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:05,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645003234] [2023-11-28 23:31:05,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 23:31:05,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:05,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:05,901 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:05,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-28 23:31:06,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-28 23:31:06,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:31:06,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:31:06,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-28 23:31:06,241 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:31:06,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645003234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:06,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:31:06,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-28 23:31:06,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165218615] [2023-11-28 23:31:06,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:06,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 23:31:06,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:06,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 23:31:06,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-28 23:31:06,243 INFO L87 Difference]: Start difference. First operand 664 states and 952 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:06,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:06,532 INFO L93 Difference]: Finished difference Result 664 states and 952 transitions. [2023-11-28 23:31:06,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 23:31:06,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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 22 [2023-11-28 23:31:06,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:06,537 INFO L225 Difference]: With dead ends: 664 [2023-11-28 23:31:06,537 INFO L226 Difference]: Without dead ends: 662 [2023-11-28 23:31:06,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-28 23:31:06,553 INFO L413 NwaCegarLoop]: 888 mSDtfsCounter, 496 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 3039 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:06,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 3039 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 23:31:06,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2023-11-28 23:31:06,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2023-11-28 23:31:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 532 states have (on average 1.6015037593984962) internal successors, (852), 602 states have internal predecessors, (852), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:06,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 950 transitions. [2023-11-28 23:31:06,576 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 950 transitions. Word has length 22 [2023-11-28 23:31:06,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:06,577 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 950 transitions. [2023-11-28 23:31:06,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 950 transitions. [2023-11-28 23:31:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-28 23:31:06,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:06,578 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:06,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-28 23:31:06,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-28 23:31:06,779 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:06,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:06,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1829758695, now seen corresponding path program 1 times [2023-11-28 23:31:06,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:06,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188218653] [2023-11-28 23:31:06,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:06,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 23:31:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-28 23:31:06,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:06,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188218653] [2023-11-28 23:31:06,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188218653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:06,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:06,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:31:06,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014485866] [2023-11-28 23:31:06,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:06,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:31:06,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:06,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:31:06,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:06,942 INFO L87 Difference]: Start difference. First operand 662 states and 950 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:07,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:07,068 INFO L93 Difference]: Finished difference Result 1307 states and 1884 transitions. [2023-11-28 23:31:07,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:31:07,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 27 [2023-11-28 23:31:07,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:07,072 INFO L225 Difference]: With dead ends: 1307 [2023-11-28 23:31:07,072 INFO L226 Difference]: Without dead ends: 665 [2023-11-28 23:31:07,074 INFO L412 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 [2023-11-28 23:31:07,075 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 1 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1807 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:07,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1807 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:31:07,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2023-11-28 23:31:07,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2023-11-28 23:31:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 535 states have (on average 1.5981308411214954) internal successors, (855), 605 states have internal predecessors, (855), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:07,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 953 transitions. [2023-11-28 23:31:07,098 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 953 transitions. Word has length 27 [2023-11-28 23:31:07,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:07,099 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 953 transitions. [2023-11-28 23:31:07,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:07,099 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 953 transitions. [2023-11-28 23:31:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-28 23:31:07,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:07,100 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:07,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-28 23:31:07,100 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:07,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:07,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1757746629, now seen corresponding path program 1 times [2023-11-28 23:31:07,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:07,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050791338] [2023-11-28 23:31:07,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:07,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 23:31:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:07,234 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-28 23:31:07,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:07,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050791338] [2023-11-28 23:31:07,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050791338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:07,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:07,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:31:07,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322173693] [2023-11-28 23:31:07,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:07,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:31:07,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:07,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:31:07,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:07,236 INFO L87 Difference]: Start difference. First operand 665 states and 953 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:07,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:07,409 INFO L93 Difference]: Finished difference Result 939 states and 1366 transitions. [2023-11-28 23:31:07,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:31:07,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 29 [2023-11-28 23:31:07,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:07,416 INFO L225 Difference]: With dead ends: 939 [2023-11-28 23:31:07,416 INFO L226 Difference]: Without dead ends: 937 [2023-11-28 23:31:07,417 INFO L412 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 [2023-11-28 23:31:07,418 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 387 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:07,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1794 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:31:07,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2023-11-28 23:31:07,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 669. [2023-11-28 23:31:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 539 states have (on average 1.5955473098330242) internal successors, (860), 609 states have internal predecessors, (860), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 958 transitions. [2023-11-28 23:31:07,474 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 958 transitions. Word has length 29 [2023-11-28 23:31:07,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:07,475 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 958 transitions. [2023-11-28 23:31:07,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:07,475 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 958 transitions. [2023-11-28 23:31:07,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-28 23:31:07,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:07,476 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:07,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-28 23:31:07,477 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:07,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:07,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1384477015, now seen corresponding path program 1 times [2023-11-28 23:31:07,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:07,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697199997] [2023-11-28 23:31:07,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:07,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:07,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 23:31:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-28 23:31:07,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:07,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697199997] [2023-11-28 23:31:07,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697199997] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:07,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535985537] [2023-11-28 23:31:07,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:07,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:07,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:07,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:07,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-28 23:31:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:08,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:31:08,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 23:31:08,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:31:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 23:31:08,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535985537] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:31:08,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:31:08,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2023-11-28 23:31:08,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128785375] [2023-11-28 23:31:08,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:31:08,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-28 23:31:08,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:08,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-28 23:31:08,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-28 23:31:08,231 INFO L87 Difference]: Start difference. First operand 669 states and 958 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 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) [2023-11-28 23:31:08,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:08,501 INFO L93 Difference]: Finished difference Result 1341 states and 1925 transitions. [2023-11-28 23:31:08,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-28 23:31:08,502 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 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 30 [2023-11-28 23:31:08,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:08,505 INFO L225 Difference]: With dead ends: 1341 [2023-11-28 23:31:08,506 INFO L226 Difference]: Without dead ends: 686 [2023-11-28 23:31:08,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-28 23:31:08,508 INFO L413 NwaCegarLoop]: 900 mSDtfsCounter, 7 mSDsluCounter, 3592 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:08,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4492 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 23:31:08,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2023-11-28 23:31:08,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2023-11-28 23:31:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 557 states have (on average 1.5745062836624775) internal successors, (877), 626 states have internal predecessors, (877), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 975 transitions. [2023-11-28 23:31:08,532 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 975 transitions. Word has length 30 [2023-11-28 23:31:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:08,532 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 975 transitions. [2023-11-28 23:31:08,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 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) [2023-11-28 23:31:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 975 transitions. [2023-11-28 23:31:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-28 23:31:08,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:08,534 INFO L195 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] [2023-11-28 23:31:08,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-28 23:31:08,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-28 23:31:08,735 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:08,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1527489771, now seen corresponding path program 1 times [2023-11-28 23:31:08,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:08,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116726710] [2023-11-28 23:31:08,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:08,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:08,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-28 23:31:08,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:08,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116726710] [2023-11-28 23:31:08,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116726710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:08,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:08,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:31:08,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799064496] [2023-11-28 23:31:08,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:08,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:31:08,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:08,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:31:08,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:08,913 INFO L87 Difference]: Start difference. First operand 686 states and 975 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:09,042 INFO L93 Difference]: Finished difference Result 700 states and 991 transitions. [2023-11-28 23:31:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:31:09,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 49 [2023-11-28 23:31:09,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:09,047 INFO L225 Difference]: With dead ends: 700 [2023-11-28 23:31:09,047 INFO L226 Difference]: Without dead ends: 698 [2023-11-28 23:31:09,048 INFO L412 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 [2023-11-28 23:31:09,048 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 3 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1802 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:09,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1802 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:31:09,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2023-11-28 23:31:09,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 696. [2023-11-28 23:31:09,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 567 states have (on average 1.5696649029982364) internal successors, (890), 636 states have internal predecessors, (890), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:09,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 988 transitions. [2023-11-28 23:31:09,073 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 988 transitions. Word has length 49 [2023-11-28 23:31:09,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:09,073 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 988 transitions. [2023-11-28 23:31:09,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:09,073 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 988 transitions. [2023-11-28 23:31:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-28 23:31:09,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:09,075 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:09,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-28 23:31:09,076 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:09,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:09,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1527488042, now seen corresponding path program 1 times [2023-11-28 23:31:09,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:09,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519693786] [2023-11-28 23:31:09,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:09,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-28 23:31:09,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:09,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519693786] [2023-11-28 23:31:09,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519693786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:09,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:09,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:31:09,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357623530] [2023-11-28 23:31:09,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:09,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:31:09,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:09,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:31:09,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:09,218 INFO L87 Difference]: Start difference. First operand 696 states and 988 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:09,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:09,325 INFO L93 Difference]: Finished difference Result 696 states and 988 transitions. [2023-11-28 23:31:09,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:31:09,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 49 [2023-11-28 23:31:09,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:09,330 INFO L225 Difference]: With dead ends: 696 [2023-11-28 23:31:09,330 INFO L226 Difference]: Without dead ends: 695 [2023-11-28 23:31:09,331 INFO L412 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 [2023-11-28 23:31:09,331 INFO L413 NwaCegarLoop]: 904 mSDtfsCounter, 0 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:09,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1805 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:31:09,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2023-11-28 23:31:09,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 691. [2023-11-28 23:31:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 563 states have (on average 1.5701598579040852) internal successors, (884), 631 states have internal predecessors, (884), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 982 transitions. [2023-11-28 23:31:09,353 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 982 transitions. Word has length 49 [2023-11-28 23:31:09,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:09,354 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 982 transitions. [2023-11-28 23:31:09,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 982 transitions. [2023-11-28 23:31:09,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-28 23:31:09,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:09,355 INFO L195 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] [2023-11-28 23:31:09,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-28 23:31:09,355 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:09,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:09,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1929719188, now seen corresponding path program 1 times [2023-11-28 23:31:09,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:09,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612849611] [2023-11-28 23:31:09,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:09,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:09,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-28 23:31:09,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:09,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612849611] [2023-11-28 23:31:09,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612849611] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:09,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070658086] [2023-11-28 23:31:09,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:09,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:09,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:09,539 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:09,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-28 23:31:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:09,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:31:09,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-28 23:31:09,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:31:09,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070658086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:09,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:31:09,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-28 23:31:09,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599952109] [2023-11-28 23:31:09,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:09,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:31:09,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:09,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:31:09,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:31:09,939 INFO L87 Difference]: Start difference. First operand 691 states and 982 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:10,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:10,154 INFO L93 Difference]: Finished difference Result 963 states and 1394 transitions. [2023-11-28 23:31:10,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:31:10,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 51 [2023-11-28 23:31:10,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:10,161 INFO L225 Difference]: With dead ends: 963 [2023-11-28 23:31:10,161 INFO L226 Difference]: Without dead ends: 962 [2023-11-28 23:31:10,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:31:10,163 INFO L413 NwaCegarLoop]: 1290 mSDtfsCounter, 774 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:10,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 2709 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 23:31:10,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2023-11-28 23:31:10,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 690. [2023-11-28 23:31:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 563 states have (on average 1.5683836589698046) internal successors, (883), 630 states have internal predecessors, (883), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:10,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 981 transitions. [2023-11-28 23:31:10,197 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 981 transitions. Word has length 51 [2023-11-28 23:31:10,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:10,198 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 981 transitions. [2023-11-28 23:31:10,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 981 transitions. [2023-11-28 23:31:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-28 23:31:10,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:10,199 INFO L195 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] [2023-11-28 23:31:10,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-28 23:31:10,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-28 23:31:10,401 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:10,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:10,401 INFO L85 PathProgramCache]: Analyzing trace with hash -308246444, now seen corresponding path program 1 times [2023-11-28 23:31:10,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:10,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274046427] [2023-11-28 23:31:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:10,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:10,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-28 23:31:10,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:10,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274046427] [2023-11-28 23:31:10,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274046427] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:10,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244771823] [2023-11-28 23:31:10,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:10,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:10,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:10,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:10,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-28 23:31:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:11,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:31:11,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-28 23:31:11,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:31:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-28 23:31:11,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244771823] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:31:11,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:31:11,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-28 23:31:11,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491319034] [2023-11-28 23:31:11,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:31:11,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 23:31:11,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:11,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:31:11,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:31:11,096 INFO L87 Difference]: Start difference. First operand 690 states and 981 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) 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) [2023-11-28 23:31:11,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:11,495 INFO L93 Difference]: Finished difference Result 1775 states and 2623 transitions. [2023-11-28 23:31:11,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:31:11,496 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) 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 52 [2023-11-28 23:31:11,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:11,507 INFO L225 Difference]: With dead ends: 1775 [2023-11-28 23:31:11,507 INFO L226 Difference]: Without dead ends: 1774 [2023-11-28 23:31:11,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:31:11,509 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 1873 mSDsluCounter, 4513 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1905 SdHoareTripleChecker+Valid, 5411 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:11,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1905 Valid, 5411 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 23:31:11,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2023-11-28 23:31:11,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 702. [2023-11-28 23:31:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 575 states have (on average 1.5617391304347825) internal successors, (898), 642 states have internal predecessors, (898), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 996 transitions. [2023-11-28 23:31:11,552 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 996 transitions. Word has length 52 [2023-11-28 23:31:11,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:11,553 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 996 transitions. [2023-11-28 23:31:11,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) 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) [2023-11-28 23:31:11,553 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 996 transitions. [2023-11-28 23:31:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-28 23:31:11,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:11,554 INFO L195 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] [2023-11-28 23:31:11,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-28 23:31:11,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:11,761 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:11,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:11,761 INFO L85 PathProgramCache]: Analyzing trace with hash 751680062, now seen corresponding path program 1 times [2023-11-28 23:31:11,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:11,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136471200] [2023-11-28 23:31:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:11,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-28 23:31:11,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:11,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136471200] [2023-11-28 23:31:11,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136471200] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:11,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433531504] [2023-11-28 23:31:11,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:11,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:11,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:11,991 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:11,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-28 23:31:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:12,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:31:12,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-28 23:31:12,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:31:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-28 23:31:12,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433531504] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:31:12,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:31:12,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-28 23:31:12,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503616019] [2023-11-28 23:31:12,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:31:12,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 23:31:12,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:12,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:31:12,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:31:12,476 INFO L87 Difference]: Start difference. First operand 702 states and 996 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:12,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:12,659 INFO L93 Difference]: Finished difference Result 1379 states and 1969 transitions. [2023-11-28 23:31:12,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:31:12,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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 57 [2023-11-28 23:31:12,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:12,663 INFO L225 Difference]: With dead ends: 1379 [2023-11-28 23:31:12,663 INFO L226 Difference]: Without dead ends: 720 [2023-11-28 23:31:12,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:31:12,666 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 4 mSDsluCounter, 2700 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3603 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:12,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3603 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:31:12,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2023-11-28 23:31:12,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2023-11-28 23:31:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 593 states have (on average 1.5446880269814502) internal successors, (916), 660 states have internal predecessors, (916), 52 states have call successors, (52), 15 states have call predecessors, (52), 14 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-28 23:31:12,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1014 transitions. [2023-11-28 23:31:12,688 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1014 transitions. Word has length 57 [2023-11-28 23:31:12,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:12,688 INFO L495 AbstractCegarLoop]: Abstraction has 720 states and 1014 transitions. [2023-11-28 23:31:12,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1014 transitions. [2023-11-28 23:31:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-28 23:31:12,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:12,689 INFO L195 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, 1, 1] [2023-11-28 23:31:12,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-28 23:31:12,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-28 23:31:12,890 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:12,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:12,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1159061043, now seen corresponding path program 1 times [2023-11-28 23:31:12,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:12,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783942270] [2023-11-28 23:31:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:12,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-28 23:31:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-28 23:31:13,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:13,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783942270] [2023-11-28 23:31:13,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783942270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:13,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:13,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:31:13,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399496225] [2023-11-28 23:31:13,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:13,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:31:13,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:13,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:31:13,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:13,064 INFO L87 Difference]: Start difference. First operand 720 states and 1014 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-28 23:31:14,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:14,840 INFO L93 Difference]: Finished difference Result 1472 states and 2109 transitions. [2023-11-28 23:31:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:31:14,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2023-11-28 23:31:14,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:14,847 INFO L225 Difference]: With dead ends: 1472 [2023-11-28 23:31:14,848 INFO L226 Difference]: Without dead ends: 855 [2023-11-28 23:31:14,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:14,850 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 199 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 2280 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:14,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 2280 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-28 23:31:14,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2023-11-28 23:31:14,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 760. [2023-11-28 23:31:14,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 632 states have (on average 1.5348101265822784) internal successors, (970), 699 states have internal predecessors, (970), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1070 transitions. [2023-11-28 23:31:14,878 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1070 transitions. Word has length 60 [2023-11-28 23:31:14,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:14,879 INFO L495 AbstractCegarLoop]: Abstraction has 760 states and 1070 transitions. [2023-11-28 23:31:14,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-28 23:31:14,879 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1070 transitions. [2023-11-28 23:31:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-28 23:31:14,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:14,879 INFO L195 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, 1, 1, 1, 1] [2023-11-28 23:31:14,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-28 23:31:14,880 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:14,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:14,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1461161944, now seen corresponding path program 1 times [2023-11-28 23:31:14,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:14,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745419467] [2023-11-28 23:31:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:15,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-28 23:31:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-28 23:31:15,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:15,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745419467] [2023-11-28 23:31:15,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745419467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:15,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:15,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:31:15,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679472653] [2023-11-28 23:31:15,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:15,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:31:15,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:15,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:31:15,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:15,017 INFO L87 Difference]: Start difference. First operand 760 states and 1070 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:17,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:17,085 INFO L93 Difference]: Finished difference Result 802 states and 1126 transitions. [2023-11-28 23:31:17,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:31:17,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2023-11-28 23:31:17,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:17,090 INFO L225 Difference]: With dead ends: 802 [2023-11-28 23:31:17,090 INFO L226 Difference]: Without dead ends: 800 [2023-11-28 23:31:17,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:17,091 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 79 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 2347 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:17,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 2347 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-28 23:31:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2023-11-28 23:31:17,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 760. [2023-11-28 23:31:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 632 states have (on average 1.5316455696202531) internal successors, (968), 699 states have internal predecessors, (968), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1068 transitions. [2023-11-28 23:31:17,116 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1068 transitions. Word has length 62 [2023-11-28 23:31:17,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:17,116 INFO L495 AbstractCegarLoop]: Abstraction has 760 states and 1068 transitions. [2023-11-28 23:31:17,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:17,116 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1068 transitions. [2023-11-28 23:31:17,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-28 23:31:17,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:17,117 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:17,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-28 23:31:17,117 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:17,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:17,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1349228119, now seen corresponding path program 2 times [2023-11-28 23:31:17,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:17,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145309053] [2023-11-28 23:31:17,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:17,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:17,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-28 23:31:17,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:17,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145309053] [2023-11-28 23:31:17,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145309053] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:17,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292732774] [2023-11-28 23:31:17,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 23:31:17,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:17,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:17,368 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:17,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-28 23:31:17,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-28 23:31:17,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:31:17,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 23:31:17,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-28 23:31:17,842 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:31:17,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292732774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:17,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:31:17,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-28 23:31:17,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801590191] [2023-11-28 23:31:17,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:17,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:31:17,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:17,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:31:17,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-28 23:31:17,844 INFO L87 Difference]: Start difference. First operand 760 states and 1068 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:18,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:18,178 INFO L93 Difference]: Finished difference Result 1446 states and 2056 transitions. [2023-11-28 23:31:18,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:31:18,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 64 [2023-11-28 23:31:18,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:18,183 INFO L225 Difference]: With dead ends: 1446 [2023-11-28 23:31:18,183 INFO L226 Difference]: Without dead ends: 760 [2023-11-28 23:31:18,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-28 23:31:18,186 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 505 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 3486 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:18,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 3486 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 23:31:18,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2023-11-28 23:31:18,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2023-11-28 23:31:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 632 states have (on average 1.5300632911392404) internal successors, (967), 699 states have internal predecessors, (967), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:18,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1067 transitions. [2023-11-28 23:31:18,221 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1067 transitions. Word has length 64 [2023-11-28 23:31:18,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:18,221 INFO L495 AbstractCegarLoop]: Abstraction has 760 states and 1067 transitions. [2023-11-28 23:31:18,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:18,222 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1067 transitions. [2023-11-28 23:31:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-28 23:31:18,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:18,222 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:18,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-28 23:31:18,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-28 23:31:18,425 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:18,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:18,425 INFO L85 PathProgramCache]: Analyzing trace with hash -554289716, now seen corresponding path program 2 times [2023-11-28 23:31:18,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:18,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220335616] [2023-11-28 23:31:18,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:18,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-28 23:31:18,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:18,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220335616] [2023-11-28 23:31:18,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220335616] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:18,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138256055] [2023-11-28 23:31:18,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 23:31:18,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:18,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:18,736 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:18,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-28 23:31:19,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-28 23:31:19,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:31:19,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:31:19,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-28 23:31:19,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:31:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-28 23:31:19,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138256055] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:31:19,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:31:19,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-28 23:31:19,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632735728] [2023-11-28 23:31:19,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:31:19,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-28 23:31:19,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:19,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-28 23:31:19,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-28 23:31:19,467 INFO L87 Difference]: Start difference. First operand 760 states and 1067 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:19,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:19,932 INFO L93 Difference]: Finished difference Result 1503 states and 2127 transitions. [2023-11-28 23:31:19,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-28 23:31:19,932 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 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 75 [2023-11-28 23:31:19,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:19,937 INFO L225 Difference]: With dead ends: 1503 [2023-11-28 23:31:19,938 INFO L226 Difference]: Without dead ends: 795 [2023-11-28 23:31:19,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2023-11-28 23:31:19,941 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 11 mSDsluCounter, 4475 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5374 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:19,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 5374 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 23:31:19,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2023-11-28 23:31:19,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 795. [2023-11-28 23:31:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 668 states have (on average 1.5) internal successors, (1002), 734 states have internal predecessors, (1002), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1102 transitions. [2023-11-28 23:31:19,977 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1102 transitions. Word has length 75 [2023-11-28 23:31:19,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:19,977 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 1102 transitions. [2023-11-28 23:31:19,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1102 transitions. [2023-11-28 23:31:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-28 23:31:19,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:19,979 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:19,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-28 23:31:20,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-28 23:31:20,179 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:20,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:20,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1012913310, now seen corresponding path program 1 times [2023-11-28 23:31:20,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:20,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631138431] [2023-11-28 23:31:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:20,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-28 23:31:20,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:20,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631138431] [2023-11-28 23:31:20,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631138431] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:20,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821530461] [2023-11-28 23:31:20,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:20,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:20,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:20,565 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:20,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-28 23:31:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:21,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:31:21,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-28 23:31:21,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:31:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-28 23:31:21,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821530461] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:31:21,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:31:21,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-28 23:31:21,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098364126] [2023-11-28 23:31:21,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:31:21,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-28 23:31:21,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:21,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-28 23:31:21,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-28 23:31:21,221 INFO L87 Difference]: Start difference. First operand 795 states and 1102 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:21,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:21,986 INFO L93 Difference]: Finished difference Result 3900 states and 5738 transitions. [2023-11-28 23:31:21,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-28 23:31:21,987 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 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 99 [2023-11-28 23:31:21,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:22,009 INFO L225 Difference]: With dead ends: 3900 [2023-11-28 23:31:22,009 INFO L226 Difference]: Without dead ends: 3899 [2023-11-28 23:31:22,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-28 23:31:22,011 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 5993 mSDsluCounter, 7395 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6073 SdHoareTripleChecker+Valid, 8292 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:22,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6073 Valid, 8292 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 23:31:22,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3899 states. [2023-11-28 23:31:22,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3899 to 819. [2023-11-28 23:31:22,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 692 states have (on average 1.4913294797687862) internal successors, (1032), 758 states have internal predecessors, (1032), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:22,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1132 transitions. [2023-11-28 23:31:22,077 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1132 transitions. Word has length 99 [2023-11-28 23:31:22,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:22,077 INFO L495 AbstractCegarLoop]: Abstraction has 819 states and 1132 transitions. [2023-11-28 23:31:22,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:31:22,078 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1132 transitions. [2023-11-28 23:31:22,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 23:31:22,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:22,079 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:22,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-28 23:31:22,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:22,279 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:22,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:22,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1839298554, now seen corresponding path program 1 times [2023-11-28 23:31:22,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:22,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64053374] [2023-11-28 23:31:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:22,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:22,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-28 23:31:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-28 23:31:22,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:22,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64053374] [2023-11-28 23:31:22,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64053374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:22,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:22,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:31:22,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727018999] [2023-11-28 23:31:22,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:22,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:31:22,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:22,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:31:22,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:22,515 INFO L87 Difference]: Start difference. First operand 819 states and 1132 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:24,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:24,328 INFO L93 Difference]: Finished difference Result 1497 states and 2133 transitions. [2023-11-28 23:31:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:31:24,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2023-11-28 23:31:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:24,334 INFO L225 Difference]: With dead ends: 1497 [2023-11-28 23:31:24,334 INFO L226 Difference]: Without dead ends: 932 [2023-11-28 23:31:24,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:24,336 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 193 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:24,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 2395 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-28 23:31:24,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2023-11-28 23:31:24,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 822. [2023-11-28 23:31:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 697 states have (on average 1.4863701578192252) internal successors, (1036), 761 states have internal predecessors, (1036), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:24,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1136 transitions. [2023-11-28 23:31:24,394 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1136 transitions. Word has length 104 [2023-11-28 23:31:24,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:24,394 INFO L495 AbstractCegarLoop]: Abstraction has 822 states and 1136 transitions. [2023-11-28 23:31:24,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:24,395 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1136 transitions. [2023-11-28 23:31:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 23:31:24,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:24,396 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:24,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-28 23:31:24,397 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:24,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:24,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1838666063, now seen corresponding path program 1 times [2023-11-28 23:31:24,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:24,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826331832] [2023-11-28 23:31:24,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:24,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-28 23:31:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-28 23:31:24,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:24,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826331832] [2023-11-28 23:31:24,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826331832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:24,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:24,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:31:24,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176210368] [2023-11-28 23:31:24,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:24,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:31:24,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:24,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:31:24,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:24,702 INFO L87 Difference]: Start difference. First operand 822 states and 1136 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:26,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:26,416 INFO L93 Difference]: Finished difference Result 866 states and 1198 transitions. [2023-11-28 23:31:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:31:26,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2023-11-28 23:31:26,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:26,420 INFO L225 Difference]: With dead ends: 866 [2023-11-28 23:31:26,420 INFO L226 Difference]: Without dead ends: 863 [2023-11-28 23:31:26,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:26,421 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 418 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1900 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:26,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1900 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-28 23:31:26,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2023-11-28 23:31:26,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 819. [2023-11-28 23:31:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 697 states have (on average 1.4820659971305596) internal successors, (1033), 758 states have internal predecessors, (1033), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1133 transitions. [2023-11-28 23:31:26,451 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1133 transitions. Word has length 104 [2023-11-28 23:31:26,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:26,452 INFO L495 AbstractCegarLoop]: Abstraction has 819 states and 1133 transitions. [2023-11-28 23:31:26,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1133 transitions. [2023-11-28 23:31:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-28 23:31:26,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:26,453 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:26,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-28 23:31:26,454 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:26,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:26,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1183679219, now seen corresponding path program 1 times [2023-11-28 23:31:26,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:26,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534876395] [2023-11-28 23:31:26,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:26,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-28 23:31:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-28 23:31:26,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:26,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534876395] [2023-11-28 23:31:26,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534876395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:26,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:26,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:31:26,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991181599] [2023-11-28 23:31:26,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:26,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:31:26,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:26,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:31:26,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:26,631 INFO L87 Difference]: Start difference. First operand 819 states and 1133 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:29,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:29,164 INFO L93 Difference]: Finished difference Result 1503 states and 2141 transitions. [2023-11-28 23:31:29,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:31:29,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2023-11-28 23:31:29,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:29,170 INFO L225 Difference]: With dead ends: 1503 [2023-11-28 23:31:29,170 INFO L226 Difference]: Without dead ends: 934 [2023-11-28 23:31:29,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:29,172 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 312 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 2284 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:29,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 2284 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-28 23:31:29,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2023-11-28 23:31:29,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 804. [2023-11-28 23:31:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 686 states have (on average 1.4766763848396502) internal successors, (1013), 743 states have internal predecessors, (1013), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1113 transitions. [2023-11-28 23:31:29,200 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1113 transitions. Word has length 105 [2023-11-28 23:31:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:29,201 INFO L495 AbstractCegarLoop]: Abstraction has 804 states and 1113 transitions. [2023-11-28 23:31:29,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1113 transitions. [2023-11-28 23:31:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-28 23:31:29,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:29,202 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:31:29,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-28 23:31:29,203 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:29,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:29,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1164071938, now seen corresponding path program 1 times [2023-11-28 23:31:29,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:29,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210700763] [2023-11-28 23:31:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:29,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-28 23:31:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-28 23:31:29,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:29,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210700763] [2023-11-28 23:31:29,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210700763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:29,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:29,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:31:29,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453833423] [2023-11-28 23:31:29,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:29,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:31:29,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:29,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:31:29,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:29,394 INFO L87 Difference]: Start difference. First operand 804 states and 1113 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:31,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:31,351 INFO L93 Difference]: Finished difference Result 891 states and 1240 transitions. [2023-11-28 23:31:31,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:31:31,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2023-11-28 23:31:31,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:31,355 INFO L225 Difference]: With dead ends: 891 [2023-11-28 23:31:31,356 INFO L226 Difference]: Without dead ends: 890 [2023-11-28 23:31:31,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:31,356 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 447 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:31,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 1955 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-28 23:31:31,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2023-11-28 23:31:31,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 803. [2023-11-28 23:31:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 686 states have (on average 1.4752186588921283) internal successors, (1012), 742 states have internal predecessors, (1012), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1112 transitions. [2023-11-28 23:31:31,385 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1112 transitions. Word has length 105 [2023-11-28 23:31:31,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:31,385 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 1112 transitions. [2023-11-28 23:31:31,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1112 transitions. [2023-11-28 23:31:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-28 23:31:31,397 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:31,397 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2023-11-28 23:31:31,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-28 23:31:31,398 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:31,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:31,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1265039276, now seen corresponding path program 1 times [2023-11-28 23:31:31,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:31,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82987864] [2023-11-28 23:31:31,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:31,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:31,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-28 23:31:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-28 23:31:31,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:31,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82987864] [2023-11-28 23:31:31,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82987864] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:31,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454322067] [2023-11-28 23:31:31,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:31,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:31,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:31,714 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:31,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-28 23:31:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:32,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:31:32,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-28 23:31:32,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:31:32,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454322067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:32,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:31:32,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-28 23:31:32,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365555853] [2023-11-28 23:31:32,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:32,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 23:31:32,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:32,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 23:31:32,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:31:32,299 INFO L87 Difference]: Start difference. First operand 803 states and 1112 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-28 23:31:32,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:32,516 INFO L93 Difference]: Finished difference Result 1490 states and 2114 transitions. [2023-11-28 23:31:32,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 23:31:32,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 106 [2023-11-28 23:31:32,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:32,521 INFO L225 Difference]: With dead ends: 1490 [2023-11-28 23:31:32,521 INFO L226 Difference]: Without dead ends: 875 [2023-11-28 23:31:32,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:31:32,523 INFO L413 NwaCegarLoop]: 920 mSDtfsCounter, 459 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:32,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 2414 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 23:31:32,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2023-11-28 23:31:32,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 802. [2023-11-28 23:31:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 687 states have (on average 1.4687045123726346) internal successors, (1009), 741 states have internal predecessors, (1009), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1109 transitions. [2023-11-28 23:31:32,551 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1109 transitions. Word has length 106 [2023-11-28 23:31:32,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:32,551 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 1109 transitions. [2023-11-28 23:31:32,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-28 23:31:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1109 transitions. [2023-11-28 23:31:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-28 23:31:32,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:32,553 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 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] [2023-11-28 23:31:32,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-28 23:31:32,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:32,753 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:32,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:32,754 INFO L85 PathProgramCache]: Analyzing trace with hash -226970121, now seen corresponding path program 1 times [2023-11-28 23:31:32,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:32,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788759936] [2023-11-28 23:31:32,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:32,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-28 23:31:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-28 23:31:32,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:32,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788759936] [2023-11-28 23:31:32,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788759936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:32,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:32,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:31:32,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286573548] [2023-11-28 23:31:32,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:32,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:31:32,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:31:32,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:32,990 INFO L87 Difference]: Start difference. First operand 802 states and 1109 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:34,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:34,897 INFO L93 Difference]: Finished difference Result 842 states and 1165 transitions. [2023-11-28 23:31:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:31:34,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2023-11-28 23:31:34,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:34,903 INFO L225 Difference]: With dead ends: 842 [2023-11-28 23:31:34,903 INFO L226 Difference]: Without dead ends: 841 [2023-11-28 23:31:34,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:31:34,904 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 80 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 2307 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:34,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 2307 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-28 23:31:34,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2023-11-28 23:31:34,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 801. [2023-11-28 23:31:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 687 states have (on average 1.4672489082969433) internal successors, (1008), 740 states have internal predecessors, (1008), 53 states have call successors, (53), 15 states have call predecessors, (53), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-28 23:31:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1108 transitions. [2023-11-28 23:31:34,944 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1108 transitions. Word has length 108 [2023-11-28 23:31:34,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:34,944 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1108 transitions. [2023-11-28 23:31:34,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-28 23:31:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1108 transitions. [2023-11-28 23:31:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-28 23:31:34,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:34,946 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 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] [2023-11-28 23:31:34,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-28 23:31:34,946 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 67 more)] === [2023-11-28 23:31:34,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1553861763, now seen corresponding path program 1 times [2023-11-28 23:31:34,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:34,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479898253] [2023-11-28 23:31:34,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:34,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-28 23:31:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-28 23:31:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2023-11-28 23:31:40,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:40,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479898253] [2023-11-28 23:31:40,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479898253] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:31:40,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725105354] [2023-11-28 23:31:40,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:40,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:31:40,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:40,094 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:31:40,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd321c8f-b89a-4a8e-95a5-83e15bfd6ec7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-28 23:31:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:40,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 85 conjunts are in the unsatisfiable core [2023-11-28 23:31:40,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:40,705 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-28 23:31:40,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-28 23:31:40,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:40,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:40,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-28 23:31:40,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:40,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:40,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:40,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:40,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:40,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-28 23:31:40,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-28 23:31:40,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-28 23:31:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:40,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:41,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-28 23:31:41,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:41,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-28 23:31:41,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:41,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-28 23:31:41,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-28 23:31:41,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:41,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,691 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-28 23:31:41,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-11-28 23:31:41,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:41,850 INFO L349 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2023-11-28 23:31:41,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2023-11-28 23:31:41,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 144 [2023-11-28 23:31:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:42,009 INFO L349 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2023-11-28 23:31:42,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 89 [2023-11-28 23:31:42,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:42,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 11 [2023-11-28 23:31:42,048 INFO L349 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2023-11-28 23:31:42,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2023-11-28 23:31:42,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 138 [2023-11-28 23:31:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:42,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 132 [2023-11-28 23:31:42,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:42,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 138 [2023-11-28 23:31:42,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:42,122 INFO L349 Elim1Store]: treesize reduction 45, result has 2.2 percent of original size [2023-11-28 23:31:42,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 78 [2023-11-28 23:31:42,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 26 [2023-11-28 23:31:42,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 100 [2023-11-28 23:31:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:42,161 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-28 23:31:42,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 72 [2023-11-28 23:31:42,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 106 [2023-11-28 23:31:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:31:42,187 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-28 23:31:42,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 78 [2023-11-28 23:31:42,210 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-28 23:31:42,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-28 23:31:42,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-28 23:31:42,262 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-28 23:31:42,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-28 23:31:42,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-28 23:31:42,324 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-28 23:31:42,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-28 23:31:42,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-28 23:31:42,379 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-28 23:31:42,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-28 23:31:42,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-28 23:31:42,429 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-28 23:31:42,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-28 23:31:42,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-28 23:31:42,481 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-28 23:31:42,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-28 23:31:42,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-28 23:31:42,534 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-28 23:31:42,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-28 23:31:42,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-28 23:31:42,610 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-28 23:31:42,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-28 23:31:42,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-28 23:31:42,652 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-28 23:31:42,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-28 23:31:42,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-28 23:31:42,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 17 [2023-11-28 23:31:42,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-28 23:31:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-28 23:31:42,799 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:31:43,103 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= (select (select (let ((.cse1 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse1))) (store (store |c_#memory_int| .cse0 v_ArrVal_4171) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4172) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse1) v_ArrVal_4173))) 21) 0) 33))) is different from false [2023-11-28 23:31:43,125 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= (select (select (let ((.cse3 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3))) (let ((.cse2 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4169))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3))) (store (store (store |c_#memory_int| .cse0 v_ArrVal_4170) .cse1 v_ArrVal_4171) (select (select (store .cse2 .cse1 v_ArrVal_4172) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3) v_ArrVal_4173))))) 21) 0) 33))) is different from false [2023-11-28 23:31:43,155 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= (select (select (let ((.cse4 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4167))) (let ((.cse1 (select (select .cse5 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (let ((.cse3 (store .cse5 .cse1 v_ArrVal_4169))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4168) .cse1 v_ArrVal_4170) .cse2 v_ArrVal_4171) (select (select (store .cse3 .cse2 v_ArrVal_4172) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4) v_ArrVal_4173))))))) 21) 0) 33))) is different from false [2023-11-28 23:31:43,233 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= 33 (select (select (let ((.cse5 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4166))) (let ((.cse1 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse6 (store .cse7 .cse1 v_ArrVal_4167))) (let ((.cse2 (select (select .cse6 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse4 (store .cse6 .cse2 v_ArrVal_4169))) (let ((.cse3 (select (select .cse4 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4165) .cse1 v_ArrVal_4168) .cse2 v_ArrVal_4170) .cse3 v_ArrVal_4171) (select (select (store .cse4 .cse3 v_ArrVal_4172) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5) v_ArrVal_4173))))))))) 21) 0)))) is different from false [2023-11-28 23:31:43,378 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= (select (select (let ((.cse6 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse9 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4163))) (let ((.cse1 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse8 (store .cse9 .cse1 v_ArrVal_4166))) (let ((.cse2 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse7 (store .cse8 .cse2 v_ArrVal_4167))) (let ((.cse3 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse5 (store .cse7 .cse3 v_ArrVal_4169))) (let ((.cse4 (select (select .cse5 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4164) .cse1 v_ArrVal_4165) .cse2 v_ArrVal_4168) .cse3 v_ArrVal_4170) .cse4 v_ArrVal_4171) (select (select (store .cse5 .cse4 v_ArrVal_4172) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6) v_ArrVal_4173))))))))))) 21) 0) 33))) is different from false [2023-11-28 23:31:43,441 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4161 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4162 (Array Int Int)) (v_ArrVal_4173 (Array Int Int)) (v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int))) (not (= (select (select (let ((.cse7 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse11 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4162))) (let ((.cse1 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse10 (store .cse11 .cse1 v_ArrVal_4163))) (let ((.cse2 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse9 (store .cse10 .cse2 v_ArrVal_4166))) (let ((.cse3 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse8 (store .cse9 .cse3 v_ArrVal_4167))) (let ((.cse4 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse6 (store .cse8 .cse4 v_ArrVal_4169))) (let ((.cse5 (select (select .cse6 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4161) .cse1 v_ArrVal_4164) .cse2 v_ArrVal_4165) .cse3 v_ArrVal_4168) .cse4 v_ArrVal_4170) .cse5 v_ArrVal_4171) (select (select (store .cse6 .cse5 v_ArrVal_4172) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7) v_ArrVal_4173))))))))))))) 21) 0) 33))) is different from false [2023-11-28 23:31:47,688 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4160 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4161 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4162 (Array Int Int)) (v_ArrVal_4173 (Array Int Int)) (v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4159 (Array Int Int))) (not (= (select (select (let ((.cse8 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse13 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4160))) (let ((.cse1 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse12 (store .cse13 .cse1 v_ArrVal_4162))) (let ((.cse2 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse11 (store .cse12 .cse2 v_ArrVal_4163))) (let ((.cse3 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse10 (store .cse11 .cse3 v_ArrVal_4166))) (let ((.cse4 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse9 (store .cse10 .cse4 v_ArrVal_4167))) (let ((.cse5 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse7 (store .cse9 .cse5 v_ArrVal_4169))) (let ((.cse6 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (store (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4159) .cse1 v_ArrVal_4161) .cse2 v_ArrVal_4164) .cse3 v_ArrVal_4165) .cse4 v_ArrVal_4168) .cse5 v_ArrVal_4170) .cse6 v_ArrVal_4171) (select (select (store .cse7 .cse6 v_ArrVal_4172) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8) v_ArrVal_4173))))))))))))))) 21) 0) 33))) is different from false [2023-11-28 23:31:52,644 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4160 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4161 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4162 (Array Int Int)) (v_ArrVal_4173 (Array Int Int)) (v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4157 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4158 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4159 (Array Int Int))) (not (= 33 (select (select (let ((.cse9 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse15 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4158))) (let ((.cse1 (select (select .cse15 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse14 (store .cse15 .cse1 v_ArrVal_4160))) (let ((.cse2 (select (select .cse14 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse13 (store .cse14 .cse2 v_ArrVal_4162))) (let ((.cse3 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse12 (store .cse13 .cse3 v_ArrVal_4163))) (let ((.cse4 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse11 (store .cse12 .cse4 v_ArrVal_4166))) (let ((.cse5 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse10 (store .cse11 .cse5 v_ArrVal_4167))) (let ((.cse6 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse8 (store .cse10 .cse6 v_ArrVal_4169))) (let ((.cse7 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (store (store (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4157) .cse1 v_ArrVal_4159) .cse2 v_ArrVal_4161) .cse3 v_ArrVal_4164) .cse4 v_ArrVal_4165) .cse5 v_ArrVal_4168) .cse6 v_ArrVal_4170) .cse7 v_ArrVal_4171) (select (select (store .cse8 .cse7 v_ArrVal_4172) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9) v_ArrVal_4173))))))))))))))))) 21) 0)))) is different from false [2023-11-28 23:31:55,419 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4160 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4161 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4162 (Array Int Int)) (v_ArrVal_4173 (Array Int Int)) (v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4155 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4156 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4157 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4158 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4159 (Array Int Int))) (not (= (select (select (let ((.cse10 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse17 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4155))) (let ((.cse1 (select (select .cse17 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse16 (store .cse17 .cse1 v_ArrVal_4158))) (let ((.cse2 (select (select .cse16 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse15 (store .cse16 .cse2 v_ArrVal_4160))) (let ((.cse3 (select (select .cse15 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse14 (store .cse15 .cse3 v_ArrVal_4162))) (let ((.cse4 (select (select .cse14 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse13 (store .cse14 .cse4 v_ArrVal_4163))) (let ((.cse5 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse12 (store .cse13 .cse5 v_ArrVal_4166))) (let ((.cse6 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse11 (store .cse12 .cse6 v_ArrVal_4167))) (let ((.cse7 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse9 (store .cse11 .cse7 v_ArrVal_4169))) (let ((.cse8 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (store (store (store (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4156) .cse1 v_ArrVal_4157) .cse2 v_ArrVal_4159) .cse3 v_ArrVal_4161) .cse4 v_ArrVal_4164) .cse5 v_ArrVal_4165) .cse6 v_ArrVal_4168) .cse7 v_ArrVal_4170) .cse8 v_ArrVal_4171) (select (select (store .cse9 .cse8 v_ArrVal_4172) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10) v_ArrVal_4173))))))))))))))))))) 21) 0) 33))) is different from false [2023-11-28 23:31:55,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 23:31:55,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53236 treesize of output 28685