./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:43,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:43,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:53:43,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:43,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:43,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:43,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:43,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:43,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:43,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:43,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:43,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:43,590 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:43,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:43,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:43,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:53:43,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:43,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:43,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:43,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:43,596 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:53:43,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:53:43,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:43,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:43,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:43,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:43,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:43,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:43,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:43,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:43,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:43,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:53:43,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:53:43,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:43,604 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:43,605 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:43,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:43,606 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:43,607 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_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2023-11-06 22:53:43,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:43,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:43,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:43,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:43,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:43,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-11-06 22:53:47,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:47,945 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:47,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-11-06 22:53:47,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/data/03f7732dd/96f501933c7b4f19a25310bbda3bcf4b/FLAG05c1a2b52 [2023-11-06 22:53:48,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/data/03f7732dd/96f501933c7b4f19a25310bbda3bcf4b [2023-11-06 22:53:48,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:48,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:48,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:48,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:48,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:48,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:48" (1/1) ... [2023-11-06 22:53:48,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afd6c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:48, skipping insertion in model container [2023-11-06 22:53:48,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:48" (1/1) ... [2023-11-06 22:53:48,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:50,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:50,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:50,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:50,903 WARN L672 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:53:50,904 WARN L672 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:53:50,904 WARN L672 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:53:50,904 WARN L672 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:53:50,904 WARN L672 CHandler]: The function longjmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:53:50,904 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:53:50,912 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:50,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50 WrapperNode [2023-11-06 22:53:50,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:50,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:50,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:50,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:50,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,140 INFO L138 Inliner]: procedures = 665, calls = 518, calls flagged for inlining = 33, calls inlined = 32, statements flattened = 2250 [2023-11-06 22:53:51,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:51,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:51,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:51,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:51,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:51,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:51,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:51,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:51,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:51,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:51,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:51,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2023-11-06 22:53:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2023-11-06 22:53:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-06 22:53:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-06 22:53:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-06 22:53:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:53:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:53:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-06 22:53:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-06 22:53:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:53:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:53:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ask_confirmation [2023-11-06 22:53:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ask_confirmation [2023-11-06 22:53:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:53:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-06 22:53:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:53:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 22:53:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 22:53:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-06 22:53:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-06 22:53:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:53:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:53:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure remove_file [2023-11-06 22:53:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_file [2023-11-06 22:53:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure access [2023-11-06 22:53:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure access [2023-11-06 22:53:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:53:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:53:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:53:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:53:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-06 22:53:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:53:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:53:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:53:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2023-11-06 22:53:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2023-11-06 22:53:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:53:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg [2023-11-06 22:53:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg [2023-11-06 22:53:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-06 22:53:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2023-11-06 22:53:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isatty [2023-11-06 22:53:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-06 22:53:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-06 22:53:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-06 22:53:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:53:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2023-11-06 22:53:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2023-11-06 22:53:52,110 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:52,113 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:55,010 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:55,037 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:55,038 INFO L302 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-06 22:53:55,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:55 BoogieIcfgContainer [2023-11-06 22:53:55,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:55,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:55,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:55,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:55,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:48" (1/3) ... [2023-11-06 22:53:55,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9d3d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:55, skipping insertion in model container [2023-11-06 22:53:55,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (2/3) ... [2023-11-06 22:53:55,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9d3d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:55, skipping insertion in model container [2023-11-06 22:53:55,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:55" (3/3) ... [2023-11-06 22:53:55,059 INFO L112 eAbstractionObserver]: Analyzing ICFG rm-1.i [2023-11-06 22:53:55,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:55,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2023-11-06 22:53:55,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:55,198 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@318b664, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:55,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2023-11-06 22:53:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 682 states, 553 states have (on average 1.647377938517179) internal successors, (911), 617 states have internal predecessors, (911), 51 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-06 22:53:55,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-06 22:53:55,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:55,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-06 22:53:55,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:53:55,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:55,236 INFO L85 PathProgramCache]: Analyzing trace with hash 23244165, now seen corresponding path program 1 times [2023-11-06 22:53:55,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:55,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921133067] [2023-11-06 22:53:55,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:55,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:55,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:55,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:55,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921133067] [2023-11-06 22:53:55,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921133067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:55,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:55,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:53:55,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977202452] [2023-11-06 22:53:55,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:55,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:53:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:55,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:53:55,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:53:55,997 INFO L87 Difference]: Start difference. First operand has 682 states, 553 states have (on average 1.647377938517179) internal successors, (911), 617 states have internal predecessors, (911), 51 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:56,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:56,225 INFO L93 Difference]: Finished difference Result 1355 states and 2052 transitions. [2023-11-06 22:53:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:53:56,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-06 22:53:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:56,249 INFO L225 Difference]: With dead ends: 1355 [2023-11-06 22:53:56,249 INFO L226 Difference]: Without dead ends: 673 [2023-11-06 22:53:56,263 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 [2023-11-06 22:53:56,267 INFO L413 NwaCegarLoop]: 956 mSDtfsCounter, 1 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:56,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1906 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:56,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2023-11-06 22:53:56,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2023-11-06 22:53:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 546 states have (on average 1.5769230769230769) internal successors, (861), 614 states have internal predecessors, (861), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:53:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 957 transitions. [2023-11-06 22:53:56,440 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 957 transitions. Word has length 4 [2023-11-06 22:53:56,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:56,441 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 957 transitions. [2023-11-06 22:53:56,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:56,442 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 957 transitions. [2023-11-06 22:53:56,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:53:56,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:56,443 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-06 22:53:56,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:53:56,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:53:56,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:56,445 INFO L85 PathProgramCache]: Analyzing trace with hash 977949312, now seen corresponding path program 1 times [2023-11-06 22:53:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:56,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54786640] [2023-11-06 22:53:56,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:56,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:56,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:56,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54786640] [2023-11-06 22:53:56,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54786640] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:53:56,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536694947] [2023-11-06 22:53:56,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:56,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:56,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:56,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:56,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:53:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:57,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:53:57,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:57,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:57,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536694947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:57,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:53:57,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-06 22:53:57,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342986325] [2023-11-06 22:53:57,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:57,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:57,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:57,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:57,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:57,200 INFO L87 Difference]: Start difference. First operand 673 states and 957 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:57,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:57,274 INFO L93 Difference]: Finished difference Result 673 states and 957 transitions. [2023-11-06 22:53:57,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:53:57,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-06 22:53:57,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:57,286 INFO L225 Difference]: With dead ends: 673 [2023-11-06 22:53:57,294 INFO L226 Difference]: Without dead ends: 672 [2023-11-06 22:53:57,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:57,298 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 5 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1894 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:57,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1894 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:57,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2023-11-06 22:53:57,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2023-11-06 22:53:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 546 states have (on average 1.575091575091575) internal successors, (860), 613 states have internal predecessors, (860), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:53:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 956 transitions. [2023-11-06 22:53:57,367 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 956 transitions. Word has length 7 [2023-11-06 22:53:57,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:57,368 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 956 transitions. [2023-11-06 22:53:57,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 956 transitions. [2023-11-06 22:53:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:53:57,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:57,370 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2023-11-06 22:53:57,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:57,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:57,579 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:53:57,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:57,580 INFO L85 PathProgramCache]: Analyzing trace with hash 251658370, now seen corresponding path program 1 times [2023-11-06 22:53:57,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:57,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100036998] [2023-11-06 22:53:57,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:57,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:53:57,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:57,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100036998] [2023-11-06 22:53:57,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100036998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:57,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:57,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:53:57,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195753228] [2023-11-06 22:53:57,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:57,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:53:57,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:57,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:53:57,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:53:57,844 INFO L87 Difference]: Start difference. First operand 672 states and 956 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:57,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:57,905 INFO L93 Difference]: Finished difference Result 672 states and 956 transitions. [2023-11-06 22:53:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:53:57,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 22:53:57,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:57,914 INFO L225 Difference]: With dead ends: 672 [2023-11-06 22:53:57,915 INFO L226 Difference]: Without dead ends: 671 [2023-11-06 22:53:57,915 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 [2023-11-06 22:53:57,921 INFO L413 NwaCegarLoop]: 949 mSDtfsCounter, 0 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:57,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1895 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:57,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2023-11-06 22:53:57,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 669. [2023-11-06 22:53:57,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 544 states have (on average 1.5753676470588236) internal successors, (857), 610 states have internal predecessors, (857), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:53:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 953 transitions. [2023-11-06 22:53:57,964 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 953 transitions. Word has length 8 [2023-11-06 22:53:57,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:57,965 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 953 transitions. [2023-11-06 22:53:57,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 953 transitions. [2023-11-06 22:53:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 22:53:57,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:57,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:57,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:53:57,967 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:53:57,967 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:57,968 INFO L85 PathProgramCache]: Analyzing trace with hash 351069389, now seen corresponding path program 1 times [2023-11-06 22:53:57,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:57,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722653424] [2023-11-06 22:53:57,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:57,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:53:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:58,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:58,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722653424] [2023-11-06 22:53:58,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722653424] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:53:58,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727364316] [2023-11-06 22:53:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:58,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:58,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:58,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:58,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:53:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:58,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:53:58,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:53:58,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:58,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727364316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:58,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:53:58,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-06 22:53:58,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585106499] [2023-11-06 22:53:58,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:58,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:53:58,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:58,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:53:58,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:58,633 INFO L87 Difference]: Start difference. First operand 669 states and 953 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:58,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:58,701 INFO L93 Difference]: Finished difference Result 669 states and 953 transitions. [2023-11-06 22:53:58,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:53:58,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-06 22:53:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:58,706 INFO L225 Difference]: With dead ends: 669 [2023-11-06 22:53:58,707 INFO L226 Difference]: Without dead ends: 667 [2023-11-06 22:53:58,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:58,708 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 513 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:58,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 1362 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:58,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2023-11-06 22:53:58,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2023-11-06 22:53:58,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 544 states have (on average 1.5716911764705883) internal successors, (855), 608 states have internal predecessors, (855), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:53:58,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 951 transitions. [2023-11-06 22:53:58,740 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 951 transitions. Word has length 13 [2023-11-06 22:53:58,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:58,742 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 951 transitions. [2023-11-06 22:53:58,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:53:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 951 transitions. [2023-11-06 22:53:58,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:53:58,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:58,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:58,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:58,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:58,952 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:53:58,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:58,953 INFO L85 PathProgramCache]: Analyzing trace with hash -2001750050, now seen corresponding path program 1 times [2023-11-06 22:53:58,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:58,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589784112] [2023-11-06 22:53:58,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:58,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:59,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:53:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:59,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:59,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589784112] [2023-11-06 22:53:59,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589784112] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:53:59,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404036607] [2023-11-06 22:53:59,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:59,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:59,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:59,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:59,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:53:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:59,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:53:59,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:59,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:59,602 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:53:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:59,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404036607] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:53:59,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:53:59,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 22:53:59,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800981416] [2023-11-06 22:53:59,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:53:59,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:53:59,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:59,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:53:59,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:53:59,644 INFO L87 Difference]: Start difference. First operand 667 states and 951 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:53:59,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:59,745 INFO L93 Difference]: Finished difference Result 1337 states and 1907 transitions. [2023-11-06 22:53:59,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:53:59,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-06 22:53:59,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:59,751 INFO L225 Difference]: With dead ends: 1337 [2023-11-06 22:53:59,751 INFO L226 Difference]: Without dead ends: 676 [2023-11-06 22:53:59,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:53:59,754 INFO L413 NwaCegarLoop]: 947 mSDtfsCounter, 4 mSDsluCounter, 2832 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3779 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:59,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3779 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:59,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2023-11-06 22:53:59,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2023-11-06 22:53:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 553 states have (on average 1.562386980108499) internal successors, (864), 617 states have internal predecessors, (864), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:53:59,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 960 transitions. [2023-11-06 22:53:59,787 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 960 transitions. Word has length 14 [2023-11-06 22:53:59,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:59,787 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 960 transitions. [2023-11-06 22:53:59,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:53:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 960 transitions. [2023-11-06 22:53:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:53:59,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:59,788 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:59,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:59,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:59,996 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:53:59,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:59,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1062828281, now seen corresponding path program 2 times [2023-11-06 22:53:59,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:59,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624959244] [2023-11-06 22:53:59,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:59,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:54:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:00,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:00,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624959244] [2023-11-06 22:54:00,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624959244] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:00,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519089233] [2023-11-06 22:54:00,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:54:00,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:00,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:00,275 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:00,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:54:00,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:54:00,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:54:00,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:54:00,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:54:00,774 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:00,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519089233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:00,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:54:00,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-06 22:54:00,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344885558] [2023-11-06 22:54:00,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:00,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:54:00,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:00,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:54:00,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:54:00,778 INFO L87 Difference]: Start difference. First operand 676 states and 960 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:01,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:01,015 INFO L93 Difference]: Finished difference Result 676 states and 960 transitions. [2023-11-06 22:54:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:54:01,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-06 22:54:01,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:01,025 INFO L225 Difference]: With dead ends: 676 [2023-11-06 22:54:01,025 INFO L226 Difference]: Without dead ends: 674 [2023-11-06 22:54:01,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:54:01,028 INFO L413 NwaCegarLoop]: 927 mSDtfsCounter, 512 mSDsluCounter, 2237 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 3164 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:01,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 3164 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:54:01,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2023-11-06 22:54:01,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2023-11-06 22:54:01,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 553 states have (on average 1.55877034358047) internal successors, (862), 615 states have internal predecessors, (862), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:54:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 958 transitions. [2023-11-06 22:54:01,082 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 958 transitions. Word has length 23 [2023-11-06 22:54:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:01,083 INFO L495 AbstractCegarLoop]: Abstraction has 674 states and 958 transitions. [2023-11-06 22:54:01,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 958 transitions. [2023-11-06 22:54:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 22:54:01,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:01,085 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:01,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:01,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:54:01,294 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:01,295 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:01,295 INFO L85 PathProgramCache]: Analyzing trace with hash 187030271, now seen corresponding path program 1 times [2023-11-06 22:54:01,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:01,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788628955] [2023-11-06 22:54:01,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:01,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:54:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:54:01,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:01,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788628955] [2023-11-06 22:54:01,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788628955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:01,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:01,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:01,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260553952] [2023-11-06 22:54:01,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:01,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:54:01,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:01,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:01,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:01,551 INFO L87 Difference]: Start difference. First operand 674 states and 958 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:01,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:01,617 INFO L93 Difference]: Finished difference Result 1330 states and 1899 transitions. [2023-11-06 22:54:01,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:01,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-11-06 22:54:01,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:01,622 INFO L225 Difference]: With dead ends: 1330 [2023-11-06 22:54:01,622 INFO L226 Difference]: Without dead ends: 677 [2023-11-06 22:54:01,625 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 [2023-11-06 22:54:01,626 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 1 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:01,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1884 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:01,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2023-11-06 22:54:01,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2023-11-06 22:54:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 556 states have (on average 1.5557553956834533) internal successors, (865), 618 states have internal predecessors, (865), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:54:01,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 961 transitions. [2023-11-06 22:54:01,659 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 961 transitions. Word has length 28 [2023-11-06 22:54:01,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:01,660 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 961 transitions. [2023-11-06 22:54:01,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 961 transitions. [2023-11-06 22:54:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-06 22:54:01,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:01,661 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, 1] [2023-11-06 22:54:01,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:54:01,662 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:01,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:01,663 INFO L85 PathProgramCache]: Analyzing trace with hash -653802111, now seen corresponding path program 1 times [2023-11-06 22:54:01,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:01,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71325652] [2023-11-06 22:54:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:01,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:54:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:54:01,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:01,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71325652] [2023-11-06 22:54:01,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71325652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:01,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:01,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:01,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508672768] [2023-11-06 22:54:01,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:01,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:54:01,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:01,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:01,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:01,841 INFO L87 Difference]: Start difference. First operand 677 states and 961 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:01,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:01,923 INFO L93 Difference]: Finished difference Result 963 states and 1386 transitions. [2023-11-06 22:54:01,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:01,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 30 [2023-11-06 22:54:01,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:01,930 INFO L225 Difference]: With dead ends: 963 [2023-11-06 22:54:01,930 INFO L226 Difference]: Without dead ends: 961 [2023-11-06 22:54:01,931 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 [2023-11-06 22:54:01,932 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 399 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:01,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1872 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2023-11-06 22:54:01,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 681. [2023-11-06 22:54:01,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 560 states have (on average 1.5535714285714286) internal successors, (870), 622 states have internal predecessors, (870), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:54:01,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 966 transitions. [2023-11-06 22:54:01,973 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 966 transitions. Word has length 30 [2023-11-06 22:54:01,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:01,974 INFO L495 AbstractCegarLoop]: Abstraction has 681 states and 966 transitions. [2023-11-06 22:54:01,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 966 transitions. [2023-11-06 22:54:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:54:01,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:01,976 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, 1] [2023-11-06 22:54:01,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:54:01,976 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:01,977 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:01,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1247018664, now seen corresponding path program 1 times [2023-11-06 22:54:01,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:01,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506700905] [2023-11-06 22:54:01,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:01,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:54:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:54:02,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:02,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506700905] [2023-11-06 22:54:02,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506700905] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:02,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806214866] [2023-11-06 22:54:02,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:02,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:02,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:02,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:02,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:54:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:02,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:54:02,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:54:02,753 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:54:02,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806214866] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:02,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:54:02,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-06 22:54:02,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828953272] [2023-11-06 22:54:02,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:02,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:54:02,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:02,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:54:02,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:54:02,887 INFO L87 Difference]: Start difference. First operand 681 states and 966 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:54:03,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:03,186 INFO L93 Difference]: Finished difference Result 1364 states and 1940 transitions. [2023-11-06 22:54:03,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:54:03,187 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-11-06 22:54:03,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:03,193 INFO L225 Difference]: With dead ends: 1364 [2023-11-06 22:54:03,194 INFO L226 Difference]: Without dead ends: 698 [2023-11-06 22:54:03,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:54:03,197 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 7 mSDsluCounter, 7488 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 8427 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:03,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 8427 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:54:03,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2023-11-06 22:54:03,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698. [2023-11-06 22:54:03,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 578 states have (on average 1.5346020761245676) internal successors, (887), 639 states have internal predecessors, (887), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:54:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 983 transitions. [2023-11-06 22:54:03,243 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 983 transitions. Word has length 31 [2023-11-06 22:54:03,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:03,243 INFO L495 AbstractCegarLoop]: Abstraction has 698 states and 983 transitions. [2023-11-06 22:54:03,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:54:03,244 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 983 transitions. [2023-11-06 22:54:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:54:03,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:03,247 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] [2023-11-06 22:54:03,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:03,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:03,456 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:03,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:03,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1200689116, now seen corresponding path program 1 times [2023-11-06 22:54:03,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:03,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981044127] [2023-11-06 22:54:03,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:03,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-06 22:54:03,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:03,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981044127] [2023-11-06 22:54:03,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981044127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:03,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:03,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:03,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964004861] [2023-11-06 22:54:03,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:03,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:54:03,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:03,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:03,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:03,725 INFO L87 Difference]: Start difference. First operand 698 states and 983 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:03,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:03,782 INFO L93 Difference]: Finished difference Result 698 states and 983 transitions. [2023-11-06 22:54:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:03,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2023-11-06 22:54:03,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:03,788 INFO L225 Difference]: With dead ends: 698 [2023-11-06 22:54:03,788 INFO L226 Difference]: Without dead ends: 697 [2023-11-06 22:54:03,789 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 [2023-11-06 22:54:03,790 INFO L413 NwaCegarLoop]: 943 mSDtfsCounter, 0 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:03,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1882 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:03,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2023-11-06 22:54:03,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 695. [2023-11-06 22:54:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 576 states have (on average 1.5347222222222223) internal successors, (884), 636 states have internal predecessors, (884), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:54:03,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 980 transitions. [2023-11-06 22:54:03,833 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 980 transitions. Word has length 50 [2023-11-06 22:54:03,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:03,833 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 980 transitions. [2023-11-06 22:54:03,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:03,834 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 980 transitions. [2023-11-06 22:54:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:54:03,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:03,836 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] [2023-11-06 22:54:03,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:54:03,836 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:03,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:03,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1200687387, now seen corresponding path program 1 times [2023-11-06 22:54:03,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:03,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753817677] [2023-11-06 22:54:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:03,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-06 22:54:04,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:04,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753817677] [2023-11-06 22:54:04,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753817677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:04,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:04,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:04,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684377777] [2023-11-06 22:54:04,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:04,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:54:04,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:04,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:04,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:04,069 INFO L87 Difference]: Start difference. First operand 695 states and 980 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:04,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:04,149 INFO L93 Difference]: Finished difference Result 706 states and 993 transitions. [2023-11-06 22:54:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:04,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2023-11-06 22:54:04,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:04,155 INFO L225 Difference]: With dead ends: 706 [2023-11-06 22:54:04,155 INFO L226 Difference]: Without dead ends: 704 [2023-11-06 22:54:04,156 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 [2023-11-06 22:54:04,157 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 2 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1877 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:04,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1877 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:04,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2023-11-06 22:54:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 703. [2023-11-06 22:54:04,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 584 states have (on average 1.5308219178082192) internal successors, (894), 644 states have internal predecessors, (894), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:54:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 990 transitions. [2023-11-06 22:54:04,196 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 990 transitions. Word has length 50 [2023-11-06 22:54:04,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:04,197 INFO L495 AbstractCegarLoop]: Abstraction has 703 states and 990 transitions. [2023-11-06 22:54:04,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:04,197 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 990 transitions. [2023-11-06 22:54:04,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-06 22:54:04,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:04,199 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, 1] [2023-11-06 22:54:04,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:54:04,200 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:04,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:04,200 INFO L85 PathProgramCache]: Analyzing trace with hash -517051142, now seen corresponding path program 1 times [2023-11-06 22:54:04,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:04,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651355627] [2023-11-06 22:54:04,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:04,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:04,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:54:04,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:04,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651355627] [2023-11-06 22:54:04,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651355627] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:04,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489694069] [2023-11-06 22:54:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:04,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:04,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:04,482 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:04,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:54:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:05,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:54:05,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:54:05,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:05,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489694069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:05,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:54:05,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-06 22:54:05,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040830186] [2023-11-06 22:54:05,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:05,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:05,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:05,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:05,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:54:05,044 INFO L87 Difference]: Start difference. First operand 703 states and 990 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:05,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:05,174 INFO L93 Difference]: Finished difference Result 987 states and 1414 transitions. [2023-11-06 22:54:05,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:05,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2023-11-06 22:54:05,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:05,182 INFO L225 Difference]: With dead ends: 987 [2023-11-06 22:54:05,183 INFO L226 Difference]: Without dead ends: 986 [2023-11-06 22:54:05,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:54:05,185 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 799 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 2288 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:05,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 2288 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:54:05,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2023-11-06 22:54:05,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 702. [2023-11-06 22:54:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 584 states have (on average 1.529109589041096) internal successors, (893), 643 states have internal predecessors, (893), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:54:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 989 transitions. [2023-11-06 22:54:05,229 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 989 transitions. Word has length 52 [2023-11-06 22:54:05,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:05,231 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 989 transitions. [2023-11-06 22:54:05,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 989 transitions. [2023-11-06 22:54:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 22:54:05,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:05,233 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, 1] [2023-11-06 22:54:05,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:05,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:05,441 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:05,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:05,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1151284613, now seen corresponding path program 1 times [2023-11-06 22:54:05,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:05,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984711569] [2023-11-06 22:54:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:54:05,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:05,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984711569] [2023-11-06 22:54:05,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984711569] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:05,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048248712] [2023-11-06 22:54:05,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:05,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:05,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:05,765 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:05,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:54:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:06,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:54:06,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:54:06,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:54:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048248712] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:06,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:54:06,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-06 22:54:06,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643060657] [2023-11-06 22:54:06,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:06,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:54:06,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:06,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:54:06,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:06,401 INFO L87 Difference]: Start difference. First operand 702 states and 989 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:06,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:06,711 INFO L93 Difference]: Finished difference Result 1835 states and 2679 transitions. [2023-11-06 22:54:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:06,712 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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 53 [2023-11-06 22:54:06,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:06,724 INFO L225 Difference]: With dead ends: 1835 [2023-11-06 22:54:06,725 INFO L226 Difference]: Without dead ends: 1834 [2023-11-06 22:54:06,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:06,727 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 1990 mSDsluCounter, 4636 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 5573 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:06,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 5573 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:54:06,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2023-11-06 22:54:06,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 714. [2023-11-06 22:54:06,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 596 states have (on average 1.523489932885906) internal successors, (908), 655 states have internal predecessors, (908), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:54:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1004 transitions. [2023-11-06 22:54:06,786 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1004 transitions. Word has length 53 [2023-11-06 22:54:06,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:06,787 INFO L495 AbstractCegarLoop]: Abstraction has 714 states and 1004 transitions. [2023-11-06 22:54:06,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1004 transitions. [2023-11-06 22:54:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:54:06,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:06,790 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, 1] [2023-11-06 22:54:06,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:06,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:06,997 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:06,998 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:06,998 INFO L85 PathProgramCache]: Analyzing trace with hash 205233604, now seen corresponding path program 1 times [2023-11-06 22:54:06,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:06,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429299429] [2023-11-06 22:54:06,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:06,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 22:54:07,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:07,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429299429] [2023-11-06 22:54:07,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429299429] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:07,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934809576] [2023-11-06 22:54:07,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:07,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:07,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:07,294 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:07,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:54:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:07,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:54:07,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 22:54:07,885 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 22:54:07,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934809576] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:07,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:54:07,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 22:54:07,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376345138] [2023-11-06 22:54:07,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:07,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:54:07,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:07,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:54:07,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:07,916 INFO L87 Difference]: Start difference. First operand 714 states and 1004 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:08,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:08,020 INFO L93 Difference]: Finished difference Result 1402 states and 1984 transitions. [2023-11-06 22:54:08,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:08,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2023-11-06 22:54:08,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:08,026 INFO L225 Difference]: With dead ends: 1402 [2023-11-06 22:54:08,027 INFO L226 Difference]: Without dead ends: 732 [2023-11-06 22:54:08,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:08,030 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 4 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:08,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1880 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:08,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2023-11-06 22:54:08,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 732. [2023-11-06 22:54:08,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 614 states have (on average 1.50814332247557) internal successors, (926), 673 states have internal predecessors, (926), 51 states have call successors, (51), 15 states have call predecessors, (51), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 22:54:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1022 transitions. [2023-11-06 22:54:08,086 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1022 transitions. Word has length 58 [2023-11-06 22:54:08,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:08,087 INFO L495 AbstractCegarLoop]: Abstraction has 732 states and 1022 transitions. [2023-11-06 22:54:08,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1022 transitions. [2023-11-06 22:54:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-06 22:54:08,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:08,088 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] [2023-11-06 22:54:08,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:08,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:08,297 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:08,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:08,297 INFO L85 PathProgramCache]: Analyzing trace with hash 815162670, now seen corresponding path program 1 times [2023-11-06 22:54:08,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:08,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960954088] [2023-11-06 22:54:08,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:08,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:08,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:54:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:54:08,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:08,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960954088] [2023-11-06 22:54:08,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960954088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:08,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:08,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:08,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223360336] [2023-11-06 22:54:08,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:08,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:08,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:08,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:08,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:08,581 INFO L87 Difference]: Start difference. First operand 732 states and 1022 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-06 22:54:10,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:12,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:13,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:13,065 INFO L93 Difference]: Finished difference Result 1489 states and 2118 transitions. [2023-11-06 22:54:13,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:13,066 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), 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 62 [2023-11-06 22:54:13,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:13,075 INFO L225 Difference]: With dead ends: 1489 [2023-11-06 22:54:13,075 INFO L226 Difference]: Without dead ends: 861 [2023-11-06 22:54:13,078 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 [2023-11-06 22:54:13,079 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 189 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 2421 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:13,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 2421 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-06 22:54:13,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2023-11-06 22:54:13,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 773. [2023-11-06 22:54:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 654 states have (on average 1.5) internal successors, (981), 713 states have internal predecessors, (981), 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) [2023-11-06 22:54:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1079 transitions. [2023-11-06 22:54:13,196 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1079 transitions. Word has length 62 [2023-11-06 22:54:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:13,196 INFO L495 AbstractCegarLoop]: Abstraction has 773 states and 1079 transitions. [2023-11-06 22:54:13,197 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), 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) [2023-11-06 22:54:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1079 transitions. [2023-11-06 22:54:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-06 22:54:13,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:13,198 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, 1, 1] [2023-11-06 22:54:13,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:54:13,199 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:13,199 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:13,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1687305971, now seen corresponding path program 1 times [2023-11-06 22:54:13,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:13,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264187922] [2023-11-06 22:54:13,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:13,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:13,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:54:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:54:13,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:13,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264187922] [2023-11-06 22:54:13,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264187922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:13,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:13,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:13,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252001462] [2023-11-06 22:54:13,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:13,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:13,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:13,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:13,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:13,410 INFO L87 Difference]: Start difference. First operand 773 states and 1079 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-11-06 22:54:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:15,563 INFO L93 Difference]: Finished difference Result 806 states and 1126 transitions. [2023-11-06 22:54:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:15,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 64 [2023-11-06 22:54:15,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:15,570 INFO L225 Difference]: With dead ends: 806 [2023-11-06 22:54:15,571 INFO L226 Difference]: Without dead ends: 804 [2023-11-06 22:54:15,571 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 [2023-11-06 22:54:15,572 INFO L413 NwaCegarLoop]: 913 mSDtfsCounter, 67 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:15,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 2450 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:54:15,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2023-11-06 22:54:15,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 773. [2023-11-06 22:54:15,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 654 states have (on average 1.496941896024465) internal successors, (979), 713 states have internal predecessors, (979), 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) [2023-11-06 22:54:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1077 transitions. [2023-11-06 22:54:15,622 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1077 transitions. Word has length 64 [2023-11-06 22:54:15,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:15,623 INFO L495 AbstractCegarLoop]: Abstraction has 773 states and 1077 transitions. [2023-11-06 22:54:15,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-11-06 22:54:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1077 transitions. [2023-11-06 22:54:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:54:15,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:15,625 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, 1] [2023-11-06 22:54:15,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:54:15,625 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:15,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:15,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1426288282, now seen corresponding path program 2 times [2023-11-06 22:54:15,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:15,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106856135] [2023-11-06 22:54:15,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:54:16,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:16,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106856135] [2023-11-06 22:54:16,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106856135] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:16,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136640971] [2023-11-06 22:54:16,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:54:16,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:16,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:16,033 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:16,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:54:16,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:54:16,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:54:16,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:54:16,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-06 22:54:16,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:16,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136640971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:16,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:54:16,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-06 22:54:16,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193751608] [2023-11-06 22:54:16,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:16,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:16,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:16,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:16,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:54:16,642 INFO L87 Difference]: Start difference. First operand 773 states and 1077 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:16,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:16,911 INFO L93 Difference]: Finished difference Result 1471 states and 2073 transitions. [2023-11-06 22:54:16,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:16,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2023-11-06 22:54:16,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:16,918 INFO L225 Difference]: With dead ends: 1471 [2023-11-06 22:54:16,918 INFO L226 Difference]: Without dead ends: 773 [2023-11-06 22:54:16,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:54:16,922 INFO L413 NwaCegarLoop]: 921 mSDtfsCounter, 521 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:16,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 3641 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:54:16,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2023-11-06 22:54:16,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2023-11-06 22:54:16,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 654 states have (on average 1.4954128440366972) internal successors, (978), 713 states have internal predecessors, (978), 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) [2023-11-06 22:54:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1076 transitions. [2023-11-06 22:54:16,979 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1076 transitions. Word has length 65 [2023-11-06 22:54:16,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:16,979 INFO L495 AbstractCegarLoop]: Abstraction has 773 states and 1076 transitions. [2023-11-06 22:54:16,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1076 transitions. [2023-11-06 22:54:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:54:16,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:16,985 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, 1] [2023-11-06 22:54:16,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:17,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:54:17,193 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:17,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:17,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1218153038, now seen corresponding path program 2 times [2023-11-06 22:54:17,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:17,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681578891] [2023-11-06 22:54:17,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:17,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-06 22:54:17,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:17,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681578891] [2023-11-06 22:54:17,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681578891] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:17,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092607502] [2023-11-06 22:54:17,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:54:17,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:17,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:17,679 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:17,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:54:18,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:54:18,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:54:18,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:54:18,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-06 22:54:18,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-06 22:54:18,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092607502] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:18,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:54:18,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-06 22:54:18,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255586490] [2023-11-06 22:54:18,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:18,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:54:18,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:18,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:54:18,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:54:18,541 INFO L87 Difference]: Start difference. First operand 773 states and 1076 transitions. Second operand has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:19,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:19,049 INFO L93 Difference]: Finished difference Result 1528 states and 2144 transitions. [2023-11-06 22:54:19,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:54:19,050 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 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 76 [2023-11-06 22:54:19,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:19,055 INFO L225 Difference]: With dead ends: 1528 [2023-11-06 22:54:19,055 INFO L226 Difference]: Without dead ends: 808 [2023-11-06 22:54:19,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:54:19,059 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 11 mSDsluCounter, 4665 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5603 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:19,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 5603 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:54:19,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2023-11-06 22:54:19,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2023-11-06 22:54:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 690 states have (on average 1.4681159420289855) internal successors, (1013), 748 states have internal predecessors, (1013), 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) [2023-11-06 22:54:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1111 transitions. [2023-11-06 22:54:19,110 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1111 transitions. Word has length 76 [2023-11-06 22:54:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:19,110 INFO L495 AbstractCegarLoop]: Abstraction has 808 states and 1111 transitions. [2023-11-06 22:54:19,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1111 transitions. [2023-11-06 22:54:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-06 22:54:19,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:19,112 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, 1] [2023-11-06 22:54:19,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:19,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:54:19,322 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:19,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:19,323 INFO L85 PathProgramCache]: Analyzing trace with hash -545657912, now seen corresponding path program 1 times [2023-11-06 22:54:19,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:19,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945347868] [2023-11-06 22:54:19,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:19,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:54:19,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:19,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945347868] [2023-11-06 22:54:19,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945347868] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:19,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810722246] [2023-11-06 22:54:19,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:19,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:19,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:19,892 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:19,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:54:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:54:20,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:54:20,623 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:54:20,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810722246] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:20,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:54:20,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-06 22:54:20,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879574136] [2023-11-06 22:54:20,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:20,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:54:20,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:20,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:54:20,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:54:20,742 INFO L87 Difference]: Start difference. First operand 808 states and 1111 transitions. Second operand has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:21,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:21,625 INFO L93 Difference]: Finished difference Result 4043 states and 5877 transitions. [2023-11-06 22:54:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:54:21,626 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 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 100 [2023-11-06 22:54:21,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:21,656 INFO L225 Difference]: With dead ends: 4043 [2023-11-06 22:54:21,656 INFO L226 Difference]: Without dead ends: 4042 [2023-11-06 22:54:21,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:54:21,659 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 6299 mSDsluCounter, 6485 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6379 SdHoareTripleChecker+Valid, 7421 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:21,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6379 Valid, 7421 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:54:21,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4042 states. [2023-11-06 22:54:21,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4042 to 832. [2023-11-06 22:54:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 714 states have (on average 1.4607843137254901) internal successors, (1043), 772 states have internal predecessors, (1043), 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) [2023-11-06 22:54:21,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1141 transitions. [2023-11-06 22:54:21,774 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1141 transitions. Word has length 100 [2023-11-06 22:54:21,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:21,775 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1141 transitions. [2023-11-06 22:54:21,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:54:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1141 transitions. [2023-11-06 22:54:21,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-06 22:54:21,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:21,777 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, 1] [2023-11-06 22:54:21,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:21,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:21,988 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:21,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:21,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1632860297, now seen corresponding path program 1 times [2023-11-06 22:54:21,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:21,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74606358] [2023-11-06 22:54:21,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:21,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:54:22,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:22,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74606358] [2023-11-06 22:54:22,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74606358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:22,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:22,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:22,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692058328] [2023-11-06 22:54:22,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:22,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:22,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:22,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:22,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:22,331 INFO L87 Difference]: Start difference. First operand 832 states and 1141 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2023-11-06 22:54:25,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:26,003 INFO L93 Difference]: Finished difference Result 1514 states and 2142 transitions. [2023-11-06 22:54:26,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:26,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 106 [2023-11-06 22:54:26,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:26,011 INFO L225 Difference]: With dead ends: 1514 [2023-11-06 22:54:26,012 INFO L226 Difference]: Without dead ends: 939 [2023-11-06 22:54:26,014 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 [2023-11-06 22:54:26,015 INFO L413 NwaCegarLoop]: 1004 mSDtfsCounter, 184 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 2549 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:26,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 2549 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-06 22:54:26,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2023-11-06 22:54:26,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 835. [2023-11-06 22:54:26,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 719 states have (on average 1.4561891515994436) internal successors, (1047), 775 states have internal predecessors, (1047), 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) [2023-11-06 22:54:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1145 transitions. [2023-11-06 22:54:26,097 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1145 transitions. Word has length 106 [2023-11-06 22:54:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:26,098 INFO L495 AbstractCegarLoop]: Abstraction has 835 states and 1145 transitions. [2023-11-06 22:54:26,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2023-11-06 22:54:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1145 transitions. [2023-11-06 22:54:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-06 22:54:26,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:26,100 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, 1] [2023-11-06 22:54:26,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:54:26,101 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:26,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:26,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1633492788, now seen corresponding path program 1 times [2023-11-06 22:54:26,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:26,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120272095] [2023-11-06 22:54:26,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:26,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:54:26,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:26,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120272095] [2023-11-06 22:54:26,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120272095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:26,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:26,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:26,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119597614] [2023-11-06 22:54:26,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:26,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:26,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:26,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:26,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:26,513 INFO L87 Difference]: Start difference. First operand 835 states and 1145 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2023-11-06 22:54:28,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:30,202 INFO L93 Difference]: Finished difference Result 870 states and 1198 transitions. [2023-11-06 22:54:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:30,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 106 [2023-11-06 22:54:30,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:30,210 INFO L225 Difference]: With dead ends: 870 [2023-11-06 22:54:30,210 INFO L226 Difference]: Without dead ends: 867 [2023-11-06 22:54:30,211 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 [2023-11-06 22:54:30,212 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 418 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:30,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1981 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-06 22:54:30,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2023-11-06 22:54:30,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 832. [2023-11-06 22:54:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 719 states have (on average 1.4520166898470097) internal successors, (1044), 772 states have internal predecessors, (1044), 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) [2023-11-06 22:54:30,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1142 transitions. [2023-11-06 22:54:30,284 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1142 transitions. Word has length 106 [2023-11-06 22:54:30,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:30,284 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1142 transitions. [2023-11-06 22:54:30,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2023-11-06 22:54:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1142 transitions. [2023-11-06 22:54:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 22:54:30,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:30,287 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, 1, 1] [2023-11-06 22:54:30,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:54:30,287 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:30,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:30,288 INFO L85 PathProgramCache]: Analyzing trace with hash -920937279, now seen corresponding path program 1 times [2023-11-06 22:54:30,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:30,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764514903] [2023-11-06 22:54:30,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:30,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:54:30,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:30,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764514903] [2023-11-06 22:54:30,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764514903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:30,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:30,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:30,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382284962] [2023-11-06 22:54:30,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:30,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:30,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:30,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:30,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:30,597 INFO L87 Difference]: Start difference. First operand 832 states and 1142 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-11-06 22:54:33,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:33,318 INFO L93 Difference]: Finished difference Result 1520 states and 2150 transitions. [2023-11-06 22:54:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:33,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 107 [2023-11-06 22:54:33,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:33,327 INFO L225 Difference]: With dead ends: 1520 [2023-11-06 22:54:33,328 INFO L226 Difference]: Without dead ends: 941 [2023-11-06 22:54:33,331 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 [2023-11-06 22:54:33,332 INFO L413 NwaCegarLoop]: 923 mSDtfsCounter, 305 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 2319 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:33,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 2319 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-06 22:54:33,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2023-11-06 22:54:33,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 817. [2023-11-06 22:54:33,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 708 states have (on average 1.4463276836158192) internal successors, (1024), 757 states have internal predecessors, (1024), 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) [2023-11-06 22:54:33,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1122 transitions. [2023-11-06 22:54:33,405 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1122 transitions. Word has length 107 [2023-11-06 22:54:33,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:33,406 INFO L495 AbstractCegarLoop]: Abstraction has 817 states and 1122 transitions. [2023-11-06 22:54:33,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-11-06 22:54:33,406 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1122 transitions. [2023-11-06 22:54:33,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 22:54:33,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:33,408 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, 1, 1] [2023-11-06 22:54:33,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:54:33,409 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:33,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:33,410 INFO L85 PathProgramCache]: Analyzing trace with hash -901329998, now seen corresponding path program 1 times [2023-11-06 22:54:33,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:33,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490991165] [2023-11-06 22:54:33,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:33,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:33,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:33,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:54:33,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:33,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490991165] [2023-11-06 22:54:33,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490991165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:33,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:33,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:33,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864183828] [2023-11-06 22:54:33,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:33,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:33,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:33,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:33,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:33,741 INFO L87 Difference]: Start difference. First operand 817 states and 1122 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-11-06 22:54:35,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:37,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:37,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:37,462 INFO L93 Difference]: Finished difference Result 897 states and 1242 transitions. [2023-11-06 22:54:37,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:37,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 107 [2023-11-06 22:54:37,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:37,470 INFO L225 Difference]: With dead ends: 897 [2023-11-06 22:54:37,470 INFO L226 Difference]: Without dead ends: 896 [2023-11-06 22:54:37,471 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 [2023-11-06 22:54:37,471 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 447 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:37,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 2081 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-06 22:54:37,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2023-11-06 22:54:37,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 816. [2023-11-06 22:54:37,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 708 states have (on average 1.444915254237288) internal successors, (1023), 756 states have internal predecessors, (1023), 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) [2023-11-06 22:54:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1121 transitions. [2023-11-06 22:54:37,545 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1121 transitions. Word has length 107 [2023-11-06 22:54:37,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:37,545 INFO L495 AbstractCegarLoop]: Abstraction has 816 states and 1121 transitions. [2023-11-06 22:54:37,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-11-06 22:54:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1121 transitions. [2023-11-06 22:54:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 22:54:37,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:37,548 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, 1, 1] [2023-11-06 22:54:37,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:54:37,549 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:37,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:37,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1709973769, now seen corresponding path program 1 times [2023-11-06 22:54:37,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:37,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132607276] [2023-11-06 22:54:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:37,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:54:37,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:37,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132607276] [2023-11-06 22:54:37,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132607276] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:37,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660356473] [2023-11-06 22:54:37,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:37,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:37,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:37,950 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:37,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:54:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:38,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:54:38,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:54:38,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:38,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660356473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:38,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:54:38,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-06 22:54:38,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992450822] [2023-11-06 22:54:38,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:38,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:54:38,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:38,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:54:38,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:38,701 INFO L87 Difference]: Start difference. First operand 816 states and 1121 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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) [2023-11-06 22:54:38,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:38,969 INFO L93 Difference]: Finished difference Result 1516 states and 2132 transitions. [2023-11-06 22:54:38,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:54:38,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 108 [2023-11-06 22:54:38,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:38,994 INFO L225 Difference]: With dead ends: 1516 [2023-11-06 22:54:38,994 INFO L226 Difference]: Without dead ends: 890 [2023-11-06 22:54:38,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:39,014 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 559 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 2197 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:39,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 2197 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:54:39,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2023-11-06 22:54:39,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 815. [2023-11-06 22:54:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 709 states have (on average 1.4386459802538787) internal successors, (1020), 755 states have internal predecessors, (1020), 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) [2023-11-06 22:54:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1118 transitions. [2023-11-06 22:54:39,125 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1118 transitions. Word has length 108 [2023-11-06 22:54:39,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:39,125 INFO L495 AbstractCegarLoop]: Abstraction has 815 states and 1118 transitions. [2023-11-06 22:54:39,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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) [2023-11-06 22:54:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1118 transitions. [2023-11-06 22:54:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-06 22:54:39,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:39,127 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, 1, 1] [2023-11-06 22:54:39,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:39,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-06 22:54:39,337 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:39,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:39,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1687710394, now seen corresponding path program 1 times [2023-11-06 22:54:39,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:39,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041591073] [2023-11-06 22:54:39,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:39,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-06 22:54:39,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:39,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041591073] [2023-11-06 22:54:39,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041591073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:39,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:39,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:39,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104503635] [2023-11-06 22:54:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:39,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:39,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:39,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:39,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:39,619 INFO L87 Difference]: Start difference. First operand 815 states and 1118 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2023-11-06 22:54:42,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:43,202 INFO L93 Difference]: Finished difference Result 846 states and 1165 transitions. [2023-11-06 22:54:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:43,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 110 [2023-11-06 22:54:43,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:43,209 INFO L225 Difference]: With dead ends: 846 [2023-11-06 22:54:43,210 INFO L226 Difference]: Without dead ends: 845 [2023-11-06 22:54:43,210 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 [2023-11-06 22:54:43,211 INFO L413 NwaCegarLoop]: 900 mSDtfsCounter, 68 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 2410 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:43,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 2410 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-06 22:54:43,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2023-11-06 22:54:43,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 814. [2023-11-06 22:54:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 709 states have (on average 1.4372355430183357) internal successors, (1019), 754 states have internal predecessors, (1019), 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) [2023-11-06 22:54:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1117 transitions. [2023-11-06 22:54:43,276 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1117 transitions. Word has length 110 [2023-11-06 22:54:43,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:43,277 INFO L495 AbstractCegarLoop]: Abstraction has 814 states and 1117 transitions. [2023-11-06 22:54:43,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2023-11-06 22:54:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1117 transitions. [2023-11-06 22:54:43,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:54:43,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:43,279 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, 1, 1] [2023-11-06 22:54:43,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:54:43,280 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-06 22:54:43,280 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:43,280 INFO L85 PathProgramCache]: Analyzing trace with hash 779415543, now seen corresponding path program 1 times [2023-11-06 22:54:43,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:43,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648869447] [2023-11-06 22:54:43,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:43,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:50,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:54:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2023-11-06 22:54:50,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:50,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648869447] [2023-11-06 22:54:50,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648869447] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:50,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717764206] [2023-11-06 22:54:50,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:50,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:50,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:50,545 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:50,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79c2055-7080-4a17-b0d0-3bb0b4c60798/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:54:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:51,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 90 conjunts are in the unsatisfiable core [2023-11-06 22:54:51,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:51,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,456 INFO L351 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 [2023-11-06 22:54:51,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,470 INFO L351 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 [2023-11-06 22:54:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,499 INFO L351 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 [2023-11-06 22:54:51,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,519 INFO L351 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 [2023-11-06 22:54:51,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,541 INFO L351 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 [2023-11-06 22:54:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:51,554 INFO L351 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 [2023-11-06 22:54:51,629 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-06 22:54:51,630 INFO L351 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 19 treesize of output 16 [2023-11-06 22:54:51,643 INFO L351 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 [2023-11-06 22:54:51,697 INFO L351 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 [2023-11-06 22:54:51,747 INFO L351 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 [2023-11-06 22:54:51,790 INFO L351 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 [2023-11-06 22:54:51,832 INFO L351 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 [2023-11-06 22:54:51,874 INFO L351 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 [2023-11-06 22:54:51,919 INFO L351 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 [2023-11-06 22:54:51,956 INFO L351 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 [2023-11-06 22:54:52,002 INFO L351 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 [2023-11-06 22:54:52,046 INFO L351 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 [2023-11-06 22:54:52,091 INFO L351 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 [2023-11-06 22:54:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:52,141 INFO L351 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 [2023-11-06 22:54:52,215 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 22:54:52,216 INFO L351 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 [2023-11-06 22:54:52,290 INFO L322 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2023-11-06 22:54:52,291 INFO L351 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 24 treesize of output 28 [2023-11-06 22:54:52,308 INFO L351 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 16 treesize of output 11 [2023-11-06 22:54:52,359 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 173 treesize of output 100 [2023-11-06 22:54:52,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:52,375 INFO L322 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-06 22:54:52,375 INFO L351 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 72 [2023-11-06 22:54:52,387 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 179 treesize of output 106 [2023-11-06 22:54:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:52,409 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:52,410 INFO L351 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 83 [2023-11-06 22:54:52,420 INFO L351 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 37 treesize of output 11 [2023-11-06 22:54:52,431 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2023-11-06 22:54:52,450 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 223 treesize of output 138 [2023-11-06 22:54:52,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:52,475 INFO L322 Elim1Store]: treesize reduction 45, result has 2.2 percent of original size [2023-11-06 22:54:52,475 INFO L351 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 2 case distinctions, treesize of input 95 treesize of output 78 [2023-11-06 22:54:52,486 INFO L351 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 [2023-11-06 22:54:52,496 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 217 treesize of output 132 [2023-11-06 22:54:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:52,518 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 223 treesize of output 138 [2023-11-06 22:54:52,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:52,536 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 229 treesize of output 144 [2023-11-06 22:54:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:54:52,558 INFO L322 Elim1Store]: treesize reduction 45, result has 2.2 percent of original size [2023-11-06 22:54:52,559 INFO L351 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 2 case distinctions, treesize of input 101 treesize of output 1 [2023-11-06 22:54:52,591 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:52,591 INFO L351 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 [2023-11-06 22:54:52,598 INFO L351 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 [2023-11-06 22:54:52,664 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:52,664 INFO L351 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 [2023-11-06 22:54:52,674 INFO L351 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 [2023-11-06 22:54:52,735 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:52,736 INFO L351 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 [2023-11-06 22:54:52,744 INFO L351 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 [2023-11-06 22:54:52,811 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:52,811 INFO L351 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 [2023-11-06 22:54:52,821 INFO L351 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 [2023-11-06 22:54:52,883 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:52,883 INFO L351 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 [2023-11-06 22:54:52,905 INFO L351 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 [2023-11-06 22:54:52,954 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:52,954 INFO L351 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 [2023-11-06 22:54:52,964 INFO L351 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 [2023-11-06 22:54:53,016 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:53,016 INFO L351 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 [2023-11-06 22:54:53,024 INFO L351 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 [2023-11-06 22:54:53,079 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:53,080 INFO L351 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 [2023-11-06 22:54:53,089 INFO L351 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 [2023-11-06 22:54:53,154 INFO L322 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-06 22:54:53,155 INFO L351 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 [2023-11-06 22:54:53,167 INFO L351 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 [2023-11-06 22:54:53,211 INFO L351 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 [2023-11-06 22:54:53,216 INFO L351 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 16 treesize of output 11 [2023-11-06 22:54:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-06 22:54:53,379 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:53,887 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= (select (select (let ((.cse1 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$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 [2023-11-06 22:54:53,913 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= 33 (select (select (let ((.cse3 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3))) (let ((.cse2 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4170))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3))) (store (store (store |c_#memory_int| .cse0 v_ArrVal_4169) .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)))) is different from false [2023-11-06 22:54:53,948 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= 33 (select (select (let ((.cse4 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$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_4170))) (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_4169) .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)))) is different from false [2023-11-06 22:54:54,004 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= (select (select (let ((.cse5 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4165))) (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_4170))) (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_4166) .cse1 v_ArrVal_4168) .cse2 v_ArrVal_4169) .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) 33))) is different from false [2023-11-06 22:54:54,179 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4173 (Array Int Int))) (not (= 33 (select (select (let ((.cse6 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$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_4165))) (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_4170))) (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_4166) .cse2 v_ArrVal_4168) .cse3 v_ArrVal_4169) .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)))) is different from false [2023-11-06 22:54:56,353 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4161 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4162 (Array Int Int)) (v_ArrVal_4173 (Array Int Int)) (v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int))) (not (= 33 (select (select (let ((.cse7 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$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_4165))) (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_4170))) (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_4166) .cse3 v_ArrVal_4168) .cse4 v_ArrVal_4169) .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)))) is different from false [2023-11-06 22:54:58,660 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4160 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4161 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4162 (Array Int Int)) (v_ArrVal_4173 (Array Int Int)) (v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4159 (Array Int Int))) (not (= 33 (select (select (let ((.cse8 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$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_4165))) (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_4170))) (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_4166) .cse4 v_ArrVal_4168) .cse5 v_ArrVal_4169) .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)))) is different from false [2023-11-06 22:54:59,219 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4160 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4161 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4162 (Array Int Int)) (v_ArrVal_4173 (Array Int Int)) (v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4157 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4158 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4159 (Array Int Int))) (not (= (select (select (let ((.cse9 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$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_4165))) (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_4170))) (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_4166) .cse5 v_ArrVal_4168) .cse6 v_ArrVal_4169) .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) 33))) is different from false [2023-11-06 22:55:02,771 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4170 (Array Int Int)) (v_ArrVal_4160 (Array Int Int)) (v_ArrVal_4171 (Array Int Int)) (v_ArrVal_4161 (Array Int Int)) (v_ArrVal_4172 (Array Int Int)) (v_ArrVal_4162 (Array Int Int)) (v_ArrVal_4173 (Array Int Int)) (v_ArrVal_4163 (Array Int Int)) (v_ArrVal_4164 (Array Int Int)) (v_ArrVal_4165 (Array Int Int)) (v_ArrVal_4155 (Array Int Int)) (v_ArrVal_4166 (Array Int Int)) (v_ArrVal_4156 (Array Int Int)) (v_ArrVal_4167 (Array Int Int)) (v_ArrVal_4157 (Array Int Int)) (v_ArrVal_4168 (Array Int Int)) (v_ArrVal_4158 (Array Int Int)) (v_ArrVal_4169 (Array Int Int)) (v_ArrVal_4159 (Array Int Int))) (not (= (select (select (let ((.cse10 (+ (* 8 |c_ULTIMATE.start_main_~i~6#1|) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse17 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4156))) (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_4165))) (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_4170))) (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_4155) .cse1 v_ArrVal_4157) .cse2 v_ArrVal_4159) .cse3 v_ArrVal_4161) .cse4 v_ArrVal_4164) .cse5 v_ArrVal_4166) .cse6 v_ArrVal_4168) .cse7 v_ArrVal_4169) .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 [2023-11-06 22:55:02,816 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:55:02,817 INFO L351 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