./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa9575a9d6782b3f681109b33c8859a1aefcf9cb32eb5af53f59cc43db765f1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:52:03,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:52:03,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 06:52:03,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:52:03,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:52:03,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:52:03,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:52:03,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:52:03,290 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:52:03,290 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:52:03,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:52:03,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:52:03,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:52:03,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:52:03,293 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:52:03,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:52:03,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:52:03,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:52:03,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:52:03,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:52:03,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:52:03,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:52:03,297 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:52:03,298 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:52:03,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:52:03,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:52:03,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:52:03,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:52:03,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:52:03,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:52:03,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:52:03,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:52:03,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:52:03,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:52:03,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:52:03,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:52:03,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:52:03,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:52:03,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:52:03,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:52:03,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:52:03,303 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_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa9575a9d6782b3f681109b33c8859a1aefcf9cb32eb5af53f59cc43db765f1e [2023-11-29 06:52:03,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:52:03,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:52:03,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:52:03,536 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:52:03,537 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:52:03,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2023-11-29 06:52:06,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:52:06,642 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:52:06,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2023-11-29 06:52:06,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/data/a9e92589c/f2625f331f8b491ea06cebf82c0ace3a/FLAGbddc2dc80 [2023-11-29 06:52:06,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/data/a9e92589c/f2625f331f8b491ea06cebf82c0ace3a [2023-11-29 06:52:06,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:52:06,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:52:06,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:52:06,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:52:06,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:52:06,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:52:06" (1/1) ... [2023-11-29 06:52:06,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d796c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:06, skipping insertion in model container [2023-11-29 06:52:06,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:52:06" (1/1) ... [2023-11-29 06:52:06,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:52:08,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:52:08,124 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:52:08,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:52:08,461 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,461 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,461 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,461 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,461 WARN L675 CHandler]: The function clearerr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,462 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,462 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,462 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,462 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,462 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,462 WARN L675 CHandler]: The function strcspn is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,462 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:08,470 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:52:08,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08 WrapperNode [2023-11-29 06:52:08,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:52:08,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:52:08,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:52:08,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:52:08,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,611 INFO L138 Inliner]: procedures = 591, calls = 644, calls flagged for inlining = 37, calls inlined = 36, statements flattened = 2525 [2023-11-29 06:52:08,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:52:08,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:52:08,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:52:08,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:52:08,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,638 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,779 INFO L175 MemorySlicer]: Split 456 memory accesses to 28 slices as follows [17, 3, 149, 1, 19, 3, 20, 2, 48, 3, 2, 5, 17, 5, 41, 3, 2, 5, 13, 16, 11, 1, 3, 6, 6, 10, 1, 44]. 33 percent of accesses are in the largest equivalence class. The 140 initializations are split as follows [4, 0, 38, 0, 0, 0, 0, 2, 45, 3, 2, 5, 0, 5, 12, 3, 0, 0, 1, 16, 0, 0, 0, 0, 4, 0, 0, 0]. The 123 writes are split as follows [4, 0, 59, 1, 4, 3, 3, 0, 0, 0, 0, 0, 5, 0, 0, 0, 1, 2, 5, 0, 6, 1, 0, 6, 1, 9, 1, 12]. [2023-11-29 06:52:08,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:08,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:09,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:52:09,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:52:09,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:52:09,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:52:09,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (1/1) ... [2023-11-29 06:52:09,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:52:09,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:09,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:52:09,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:52:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure getopt32 [2023-11-29 06:52:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt32 [2023-11-29 06:52:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-29 06:52:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2023-11-29 06:52:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2023-11-29 06:52:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2023-11-29 06:52:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2023-11-29 06:52:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2023-11-29 06:52:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2023-11-29 06:52:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2023-11-29 06:52:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2023-11-29 06:52:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2023-11-29 06:52:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2023-11-29 06:52:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2023-11-29 06:52:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2023-11-29 06:52:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2023-11-29 06:52:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2023-11-29 06:52:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2023-11-29 06:52:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2023-11-29 06:52:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2023-11-29 06:52:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2023-11-29 06:52:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2023-11-29 06:52:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2023-11-29 06:52:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2023-11-29 06:52:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2023-11-29 06:52:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#22 [2023-11-29 06:52:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#23 [2023-11-29 06:52:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#24 [2023-11-29 06:52:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#25 [2023-11-29 06:52:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#26 [2023-11-29 06:52:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#27 [2023-11-29 06:52:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2023-11-29 06:52:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2023-11-29 06:52:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2023-11-29 06:52:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2023-11-29 06:52:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2023-11-29 06:52:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2023-11-29 06:52:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2023-11-29 06:52:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2023-11-29 06:52:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2023-11-29 06:52:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2023-11-29 06:52:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2023-11-29 06:52:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2023-11-29 06:52:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2023-11-29 06:52:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2023-11-29 06:52:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2023-11-29 06:52:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2023-11-29 06:52:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2023-11-29 06:52:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2023-11-29 06:52:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2023-11-29 06:52:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2023-11-29 06:52:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2023-11-29 06:52:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2023-11-29 06:52:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#22 [2023-11-29 06:52:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#23 [2023-11-29 06:52:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#24 [2023-11-29 06:52:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#25 [2023-11-29 06:52:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#26 [2023-11-29 06:52:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#27 [2023-11-29 06:52:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-29 06:52:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-29 06:52:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 06:52:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-29 06:52:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:52:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2023-11-29 06:52:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 06:52:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 06:52:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 06:52:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 06:52:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 06:52:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 06:52:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 06:52:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 06:52:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 06:52:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 06:52:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 06:52:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 06:52:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 06:52:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 06:52:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 06:52:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 06:52:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 06:52:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 06:52:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 06:52:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 06:52:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 06:52:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-29 06:52:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-29 06:52:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-29 06:52:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-29 06:52:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2023-11-29 06:52:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2023-11-29 06:52:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2023-11-29 06:52:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 06:52:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 06:52:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-29 06:52:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 06:52:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 06:52:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 06:52:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 06:52:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 06:52:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 06:52:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 06:52:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 06:52:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 06:52:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 06:52:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 06:52:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 06:52:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 06:52:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 06:52:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 06:52:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 06:52:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 06:52:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 06:52:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 06:52:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 06:52:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 06:52:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 06:52:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-29 06:52:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-29 06:52:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-29 06:52:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2023-11-29 06:52:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2023-11-29 06:52:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2023-11-29 06:52:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:52:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:52:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:52:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:52:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:52:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 06:52:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 06:52:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 06:52:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 06:52:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 06:52:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 06:52:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 06:52:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 06:52:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 06:52:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 06:52:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 06:52:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 06:52:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 06:52:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 06:52:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 06:52:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 06:52:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 06:52:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 06:52:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 06:52:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 06:52:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 06:52:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 06:52:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-29 06:52:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:52:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-29 06:52:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 06:52:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:52:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 06:52:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 06:52:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 06:52:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 06:52:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 06:52:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 06:52:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 06:52:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 06:52:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 06:52:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 06:52:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 06:52:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 06:52:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 06:52:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 06:52:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 06:52:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 06:52:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 06:52:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 06:52:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 06:52:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 06:52:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 06:52:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 06:52:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 06:52:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 06:52:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 06:52:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 06:52:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 06:52:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 06:52:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:52:09,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:52:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-29 06:52:09,115 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-29 06:52:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-29 06:52:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-29 06:52:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-29 06:52:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-29 06:52:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-29 06:52:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-29 06:52:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-29 06:52:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-29 06:52:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-29 06:52:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-29 06:52:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-29 06:52:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-29 06:52:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-29 06:52:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-29 06:52:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-29 06:52:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-29 06:52:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-29 06:52:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-29 06:52:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-29 06:52:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-29 06:52:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-29 06:52:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2023-11-29 06:52:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2023-11-29 06:52:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2023-11-29 06:52:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2023-11-29 06:52:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2023-11-29 06:52:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2023-11-29 06:52:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2023-11-29 06:52:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-29 06:52:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-29 06:52:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-29 06:52:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-29 06:52:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-29 06:52:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-29 06:52:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-29 06:52:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-29 06:52:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-29 06:52:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-29 06:52:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-29 06:52:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-29 06:52:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-29 06:52:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-29 06:52:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-29 06:52:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-29 06:52:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-29 06:52:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-29 06:52:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-29 06:52:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-29 06:52:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-29 06:52:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2023-11-29 06:52:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2023-11-29 06:52:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2023-11-29 06:52:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2023-11-29 06:52:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2023-11-29 06:52:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2023-11-29 06:52:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2023-11-29 06:52:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 06:52:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 06:52:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 06:52:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 06:52:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 06:52:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 06:52:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 06:52:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 06:52:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 06:52:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 06:52:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 06:52:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 06:52:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 06:52:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 06:52:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 06:52:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 06:52:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 06:52:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 06:52:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 06:52:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 06:52:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 06:52:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 06:52:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 06:52:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 06:52:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 06:52:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-29 06:52:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-29 06:52:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2023-11-29 06:52:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2023-11-29 06:52:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2023-11-29 06:52:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 06:52:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 06:52:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 06:52:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 06:52:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 06:52:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 06:52:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 06:52:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 06:52:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 06:52:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 06:52:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 06:52:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 06:52:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 06:52:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 06:52:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 06:52:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 06:52:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 06:52:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 06:52:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 06:52:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 06:52:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 06:52:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 06:52:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 06:52:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-29 06:52:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-29 06:52:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2023-11-29 06:52:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2023-11-29 06:52:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2023-11-29 06:52:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2023-11-29 06:52:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2023-11-29 06:52:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-29 06:52:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-29 06:52:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-29 06:52:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 06:52:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 06:52:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 06:52:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 06:52:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 06:52:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 06:52:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 06:52:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 06:52:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 06:52:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 06:52:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 06:52:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 06:52:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 06:52:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 06:52:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 06:52:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 06:52:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 06:52:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 06:52:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 06:52:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 06:52:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 06:52:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 06:52:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-29 06:52:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-29 06:52:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-29 06:52:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2023-11-29 06:52:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2023-11-29 06:52:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2023-11-29 06:52:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 06:52:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 06:52:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 06:52:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 06:52:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 06:52:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 06:52:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 06:52:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 06:52:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 06:52:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 06:52:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 06:52:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 06:52:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 06:52:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-29 06:52:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-29 06:52:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-29 06:52:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2023-11-29 06:52:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2023-11-29 06:52:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2023-11-29 06:52:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:52:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:52:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:52:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 06:52:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 06:52:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 06:52:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 06:52:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 06:52:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 06:52:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 06:52:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 06:52:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 06:52:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 06:52:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 06:52:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 06:52:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 06:52:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 06:52:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 06:52:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 06:52:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 06:52:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 06:52:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 06:52:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-29 06:52:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 06:52:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 06:52:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 06:52:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 06:52:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 06:52:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 06:52:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 06:52:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 06:52:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 06:52:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 06:52:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 06:52:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 06:52:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 06:52:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 06:52:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 06:52:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 06:52:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 06:52:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 06:52:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 06:52:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 06:52:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 06:52:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 06:52:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 06:52:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 06:52:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 06:52:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 06:52:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 06:52:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 06:52:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-29 06:52:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure xatou_range [2023-11-29 06:52:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou_range [2023-11-29 06:52:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_strwidth [2023-11-29 06:52:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_strwidth [2023-11-29 06:52:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:52:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:52:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:52:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:52:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:52:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 06:52:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 06:52:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 06:52:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 06:52:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 06:52:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 06:52:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 06:52:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 06:52:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 06:52:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 06:52:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 06:52:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 06:52:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 06:52:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-29 06:52:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc_fgets [2023-11-29 06:52:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc_fgets [2023-11-29 06:52:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2023-11-29 06:52:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 06:52:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 06:52:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 06:52:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:52:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:52:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:52:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:52:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:52:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 06:52:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 06:52:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 06:52:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 06:52:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 06:52:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 06:52:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 06:52:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 06:52:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 06:52:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 06:52:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 06:52:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 06:52:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 06:52:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-29 06:52:09,846 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:52:09,850 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:52:12,316 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:52:12,396 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:52:12,397 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-29 06:52:12,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:12 BoogieIcfgContainer [2023-11-29 06:52:12,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:52:12,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:52:12,400 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:52:12,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:52:12,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:52:06" (1/3) ... [2023-11-29 06:52:12,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf670f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:52:12, skipping insertion in model container [2023-11-29 06:52:12,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:08" (2/3) ... [2023-11-29 06:52:12,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf670f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:52:12, skipping insertion in model container [2023-11-29 06:52:12,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:12" (3/3) ... [2023-11-29 06:52:12,405 INFO L112 eAbstractionObserver]: Analyzing ICFG expand-2.i [2023-11-29 06:52:12,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:52:12,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2023-11-29 06:52:12,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:52:12,483 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@64ad96a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:52:12,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-11-29 06:52:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 718 states, 581 states have (on average 1.7228915662650603) internal successors, (1001), 660 states have internal predecessors, (1001), 45 states have call successors, (45), 17 states have call predecessors, (45), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 06:52:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 06:52:12,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:12,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 06:52:12,498 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:12,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:12,503 INFO L85 PathProgramCache]: Analyzing trace with hash 3243506, now seen corresponding path program 1 times [2023-11-29 06:52:12,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:12,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459804124] [2023-11-29 06:52:12,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:12,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:12,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:12,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459804124] [2023-11-29 06:52:12,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459804124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:12,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:12,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:52:12,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198339150] [2023-11-29 06:52:12,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:12,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:12,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:12,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:12,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:12,962 INFO L87 Difference]: Start difference. First operand has 718 states, 581 states have (on average 1.7228915662650603) internal successors, (1001), 660 states have internal predecessors, (1001), 45 states have call successors, (45), 17 states have call predecessors, (45), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:13,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:13,185 INFO L93 Difference]: Finished difference Result 1425 states and 2204 transitions. [2023-11-29 06:52:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:13,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-29 06:52:13,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:13,203 INFO L225 Difference]: With dead ends: 1425 [2023-11-29 06:52:13,203 INFO L226 Difference]: Without dead ends: 702 [2023-11-29 06:52:13,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:13,216 INFO L413 NwaCegarLoop]: 962 mSDtfsCounter, 1 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:13,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1920 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:13,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-11-29 06:52:13,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2023-11-29 06:52:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 571 states have (on average 1.6094570928196148) internal successors, (919), 653 states have internal predecessors, (919), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 993 transitions. [2023-11-29 06:52:13,305 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 993 transitions. Word has length 3 [2023-11-29 06:52:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:13,306 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 993 transitions. [2023-11-29 06:52:13,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 993 transitions. [2023-11-29 06:52:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 06:52:13,307 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:13,307 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 06:52:13,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:52:13,308 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:13,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:13,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2139924060, now seen corresponding path program 1 times [2023-11-29 06:52:13,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:13,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698754884] [2023-11-29 06:52:13,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:13,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:13,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:13,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:13,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698754884] [2023-11-29 06:52:13,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698754884] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:13,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127458139] [2023-11-29 06:52:13,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:13,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:13,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:13,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:52:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:14,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:52:14,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:14,093 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:14,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127458139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:14,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:52:14,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-11-29 06:52:14,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391043651] [2023-11-29 06:52:14,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:14,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:52:14,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:14,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:52:14,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:14,097 INFO L87 Difference]: Start difference. First operand 702 states and 993 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:14,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:14,257 INFO L93 Difference]: Finished difference Result 702 states and 993 transitions. [2023-11-29 06:52:14,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:52:14,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 06:52:14,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:14,263 INFO L225 Difference]: With dead ends: 702 [2023-11-29 06:52:14,264 INFO L226 Difference]: Without dead ends: 701 [2023-11-29 06:52:14,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:14,265 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 5 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:14,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1895 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:14,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2023-11-29 06:52:14,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 701. [2023-11-29 06:52:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 571 states have (on average 1.6077057793345009) internal successors, (918), 652 states have internal predecessors, (918), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 992 transitions. [2023-11-29 06:52:14,297 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 992 transitions. Word has length 6 [2023-11-29 06:52:14,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:14,297 INFO L495 AbstractCegarLoop]: Abstraction has 701 states and 992 transitions. [2023-11-29 06:52:14,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 992 transitions. [2023-11-29 06:52:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 06:52:14,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:14,298 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2023-11-29 06:52:14,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:52:14,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:14,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:14,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:14,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1913138351, now seen corresponding path program 1 times [2023-11-29 06:52:14,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:14,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448772221] [2023-11-29 06:52:14,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:14,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 06:52:14,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:14,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448772221] [2023-11-29 06:52:14,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448772221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:14,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:14,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:14,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261510076] [2023-11-29 06:52:14,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:14,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:14,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:14,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:14,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:14,607 INFO L87 Difference]: Start difference. First operand 701 states and 992 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:14,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:14,726 INFO L93 Difference]: Finished difference Result 701 states and 992 transitions. [2023-11-29 06:52:14,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:14,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 06:52:14,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:14,732 INFO L225 Difference]: With dead ends: 701 [2023-11-29 06:52:14,732 INFO L226 Difference]: Without dead ends: 700 [2023-11-29 06:52:14,733 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 [2023-11-29 06:52:14,734 INFO L413 NwaCegarLoop]: 949 mSDtfsCounter, 0 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:14,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1896 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:14,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2023-11-29 06:52:14,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 698. [2023-11-29 06:52:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 569 states have (on average 1.6080843585237259) internal successors, (915), 649 states have internal predecessors, (915), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 989 transitions. [2023-11-29 06:52:14,763 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 989 transitions. Word has length 7 [2023-11-29 06:52:14,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:14,763 INFO L495 AbstractCegarLoop]: Abstraction has 698 states and 989 transitions. [2023-11-29 06:52:14,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 989 transitions. [2023-11-29 06:52:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 06:52:14,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:14,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:14,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:52:14,764 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:14,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:14,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1521037671, now seen corresponding path program 1 times [2023-11-29 06:52:14,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:14,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110622485] [2023-11-29 06:52:14,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:14,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 06:52:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:14,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:14,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110622485] [2023-11-29 06:52:14,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110622485] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:14,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692630038] [2023-11-29 06:52:14,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:14,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:14,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:14,944 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:14,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:52:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:15,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:52:15,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 06:52:15,492 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:15,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692630038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:15,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:52:15,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 06:52:15,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264538681] [2023-11-29 06:52:15,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:15,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:15,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:15,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:15,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:15,495 INFO L87 Difference]: Start difference. First operand 698 states and 989 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:15,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:15,623 INFO L93 Difference]: Finished difference Result 698 states and 989 transitions. [2023-11-29 06:52:15,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:15,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-29 06:52:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:15,627 INFO L225 Difference]: With dead ends: 698 [2023-11-29 06:52:15,627 INFO L226 Difference]: Without dead ends: 696 [2023-11-29 06:52:15,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:15,629 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 157 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:15,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1725 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:15,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2023-11-29 06:52:15,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 696. [2023-11-29 06:52:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 569 states have (on average 1.6045694200351495) internal successors, (913), 647 states have internal predecessors, (913), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 987 transitions. [2023-11-29 06:52:15,652 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 987 transitions. Word has length 12 [2023-11-29 06:52:15,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:15,653 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 987 transitions. [2023-11-29 06:52:15,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 987 transitions. [2023-11-29 06:52:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 06:52:15,653 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:15,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:15,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:52:15,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:15,854 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:15,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:15,855 INFO L85 PathProgramCache]: Analyzing trace with hash -92470515, now seen corresponding path program 1 times [2023-11-29 06:52:15,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:15,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490028222] [2023-11-29 06:52:15,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:15,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 06:52:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:15,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:15,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490028222] [2023-11-29 06:52:15,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490028222] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:15,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352031468] [2023-11-29 06:52:15,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:15,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:15,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:15,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:16,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:52:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:16,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:52:16,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:16,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:52:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:16,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352031468] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:52:16,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:52:16,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2023-11-29 06:52:16,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414413247] [2023-11-29 06:52:16,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:52:16,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:52:16,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:16,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:52:16,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:16,473 INFO L87 Difference]: Start difference. First operand 696 states and 987 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:52:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:16,671 INFO L93 Difference]: Finished difference Result 1396 states and 1980 transitions. [2023-11-29 06:52:16,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:16,672 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2023-11-29 06:52:16,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:16,677 INFO L225 Difference]: With dead ends: 1396 [2023-11-29 06:52:16,677 INFO L226 Difference]: Without dead ends: 705 [2023-11-29 06:52:16,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:16,681 INFO L413 NwaCegarLoop]: 947 mSDtfsCounter, 4 mSDsluCounter, 1890 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:16,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2837 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:16,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2023-11-29 06:52:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2023-11-29 06:52:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 578 states have (on average 1.5951557093425606) internal successors, (922), 656 states have internal predecessors, (922), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 996 transitions. [2023-11-29 06:52:16,733 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 996 transitions. Word has length 13 [2023-11-29 06:52:16,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:16,733 INFO L495 AbstractCegarLoop]: Abstraction has 705 states and 996 transitions. [2023-11-29 06:52:16,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:52:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 996 transitions. [2023-11-29 06:52:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 06:52:16,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:16,734 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:16,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:52:16,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:16,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:16,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1158375625, now seen corresponding path program 2 times [2023-11-29 06:52:16,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:16,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853964391] [2023-11-29 06:52:16,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:16,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:52:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:17,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:17,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853964391] [2023-11-29 06:52:17,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853964391] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:17,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986171079] [2023-11-29 06:52:17,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:52:17,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:17,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:17,272 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:17,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:52:17,731 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 06:52:17,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:52:17,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:52:17,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 06:52:17,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:17,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986171079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:17,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:52:17,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-29 06:52:17,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272485193] [2023-11-29 06:52:17,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:17,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:52:17,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:17,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:52:17,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:52:17,781 INFO L87 Difference]: Start difference. First operand 705 states and 996 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:18,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:18,017 INFO L93 Difference]: Finished difference Result 705 states and 996 transitions. [2023-11-29 06:52:18,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:52:18,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-29 06:52:18,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:18,022 INFO L225 Difference]: With dead ends: 705 [2023-11-29 06:52:18,023 INFO L226 Difference]: Without dead ends: 703 [2023-11-29 06:52:18,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:52:18,024 INFO L413 NwaCegarLoop]: 935 mSDtfsCounter, 156 mSDsluCounter, 2639 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 3574 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:18,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 3574 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:52:18,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2023-11-29 06:52:18,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703. [2023-11-29 06:52:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 578 states have (on average 1.5916955017301038) internal successors, (920), 654 states have internal predecessors, (920), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:18,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 994 transitions. [2023-11-29 06:52:18,052 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 994 transitions. Word has length 22 [2023-11-29 06:52:18,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:18,053 INFO L495 AbstractCegarLoop]: Abstraction has 703 states and 994 transitions. [2023-11-29 06:52:18,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:18,053 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 994 transitions. [2023-11-29 06:52:18,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 06:52:18,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:18,054 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:18,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 06:52:18,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:18,262 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:18,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:18,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1973675466, now seen corresponding path program 1 times [2023-11-29 06:52:18,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:18,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282767436] [2023-11-29 06:52:18,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:18,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:52:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 06:52:18,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:18,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282767436] [2023-11-29 06:52:18,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282767436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:18,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:18,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:18,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441472912] [2023-11-29 06:52:18,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:18,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:18,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:18,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:18,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:18,496 INFO L87 Difference]: Start difference. First operand 703 states and 994 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:18,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:18,630 INFO L93 Difference]: Finished difference Result 1389 states and 1972 transitions. [2023-11-29 06:52:18,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:18,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-29 06:52:18,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:18,636 INFO L225 Difference]: With dead ends: 1389 [2023-11-29 06:52:18,636 INFO L226 Difference]: Without dead ends: 706 [2023-11-29 06:52:18,638 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 [2023-11-29 06:52:18,639 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 1 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:18,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1885 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:18,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-11-29 06:52:18,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2023-11-29 06:52:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 581 states have (on average 1.5886402753872633) internal successors, (923), 657 states have internal predecessors, (923), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 997 transitions. [2023-11-29 06:52:18,665 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 997 transitions. Word has length 27 [2023-11-29 06:52:18,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:18,665 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 997 transitions. [2023-11-29 06:52:18,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 997 transitions. [2023-11-29 06:52:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-29 06:52:18,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:18,667 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:18,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:52:18,667 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:18,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:18,667 INFO L85 PathProgramCache]: Analyzing trace with hash -334523546, now seen corresponding path program 1 times [2023-11-29 06:52:18,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:18,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548868714] [2023-11-29 06:52:18,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:18,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:52:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 06:52:18,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:18,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548868714] [2023-11-29 06:52:18,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548868714] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:18,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968212777] [2023-11-29 06:52:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:18,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:18,888 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:18,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:52:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:19,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:52:19,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:52:19,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:52:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:52:19,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968212777] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:52:19,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:52:19,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2023-11-29 06:52:19,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424656677] [2023-11-29 06:52:19,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:52:19,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:52:19,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:19,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:52:19,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:52:19,645 INFO L87 Difference]: Start difference. First operand 706 states and 997 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 06:52:20,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:20,020 INFO L93 Difference]: Finished difference Result 1415 states and 2003 transitions. [2023-11-29 06:52:20,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:52:20,020 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2023-11-29 06:52:20,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:20,025 INFO L225 Difference]: With dead ends: 1415 [2023-11-29 06:52:20,025 INFO L226 Difference]: Without dead ends: 723 [2023-11-29 06:52:20,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:52:20,028 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 7 mSDsluCounter, 5622 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6561 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:20,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6561 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:52:20,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2023-11-29 06:52:20,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2023-11-29 06:52:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 599 states have (on average 1.5692821368948247) internal successors, (940), 674 states have internal predecessors, (940), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:20,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1014 transitions. [2023-11-29 06:52:20,056 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1014 transitions. Word has length 30 [2023-11-29 06:52:20,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:20,057 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 1014 transitions. [2023-11-29 06:52:20,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 06:52:20,057 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1014 transitions. [2023-11-29 06:52:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 06:52:20,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:20,059 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:20,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:52:20,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:20,260 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:20,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:20,260 INFO L85 PathProgramCache]: Analyzing trace with hash 214473094, now seen corresponding path program 1 times [2023-11-29 06:52:20,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:20,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469077944] [2023-11-29 06:52:20,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:20,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:20,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 06:52:20,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:20,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469077944] [2023-11-29 06:52:20,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469077944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:20,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:20,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:20,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580016858] [2023-11-29 06:52:20,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:20,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:20,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:20,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:20,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:20,492 INFO L87 Difference]: Start difference. First operand 723 states and 1014 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:20,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:20,623 INFO L93 Difference]: Finished difference Result 737 states and 1030 transitions. [2023-11-29 06:52:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:20,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-29 06:52:20,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:20,628 INFO L225 Difference]: With dead ends: 737 [2023-11-29 06:52:20,628 INFO L226 Difference]: Without dead ends: 735 [2023-11-29 06:52:20,629 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 [2023-11-29 06:52:20,629 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 3 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:20,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1880 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:20,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2023-11-29 06:52:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 733. [2023-11-29 06:52:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 609 states have (on average 1.5648604269293924) internal successors, (953), 684 states have internal predecessors, (953), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1027 transitions. [2023-11-29 06:52:20,657 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1027 transitions. Word has length 49 [2023-11-29 06:52:20,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:20,657 INFO L495 AbstractCegarLoop]: Abstraction has 733 states and 1027 transitions. [2023-11-29 06:52:20,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1027 transitions. [2023-11-29 06:52:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 06:52:20,659 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:20,659 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:20,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:52:20,659 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:20,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:20,660 INFO L85 PathProgramCache]: Analyzing trace with hash 214474823, now seen corresponding path program 1 times [2023-11-29 06:52:20,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:20,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787176726] [2023-11-29 06:52:20,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:20,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 06:52:20,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:20,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787176726] [2023-11-29 06:52:20,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787176726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:20,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:20,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:20,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637697856] [2023-11-29 06:52:20,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:20,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:20,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:20,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:20,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:20,864 INFO L87 Difference]: Start difference. First operand 733 states and 1027 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:20,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:20,998 INFO L93 Difference]: Finished difference Result 733 states and 1027 transitions. [2023-11-29 06:52:20,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:20,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-29 06:52:20,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:21,003 INFO L225 Difference]: With dead ends: 733 [2023-11-29 06:52:21,004 INFO L226 Difference]: Without dead ends: 732 [2023-11-29 06:52:21,004 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 [2023-11-29 06:52:21,005 INFO L413 NwaCegarLoop]: 943 mSDtfsCounter, 0 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:21,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1883 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:21,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2023-11-29 06:52:21,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 728. [2023-11-29 06:52:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 605 states have (on average 1.5652892561983471) internal successors, (947), 679 states have internal predecessors, (947), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1021 transitions. [2023-11-29 06:52:21,032 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1021 transitions. Word has length 49 [2023-11-29 06:52:21,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:21,032 INFO L495 AbstractCegarLoop]: Abstraction has 728 states and 1021 transitions. [2023-11-29 06:52:21,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:21,033 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1021 transitions. [2023-11-29 06:52:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 06:52:21,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:21,034 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] [2023-11-29 06:52:21,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:52:21,034 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:21,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:21,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1365879859, now seen corresponding path program 1 times [2023-11-29 06:52:21,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:21,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785854414] [2023-11-29 06:52:21,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:21,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 06:52:21,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:21,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785854414] [2023-11-29 06:52:21,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785854414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:21,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:21,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:21,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454783956] [2023-11-29 06:52:21,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:21,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:21,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:21,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:21,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:21,264 INFO L87 Difference]: Start difference. First operand 728 states and 1021 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:21,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:21,409 INFO L93 Difference]: Finished difference Result 976 states and 1396 transitions. [2023-11-29 06:52:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:21,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2023-11-29 06:52:21,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:21,417 INFO L225 Difference]: With dead ends: 976 [2023-11-29 06:52:21,417 INFO L226 Difference]: Without dead ends: 974 [2023-11-29 06:52:21,418 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 [2023-11-29 06:52:21,419 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 350 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:21,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1869 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:21,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2023-11-29 06:52:21,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 732. [2023-11-29 06:52:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 609 states have (on average 1.5632183908045978) internal successors, (952), 683 states have internal predecessors, (952), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1026 transitions. [2023-11-29 06:52:21,450 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1026 transitions. Word has length 52 [2023-11-29 06:52:21,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:21,450 INFO L495 AbstractCegarLoop]: Abstraction has 732 states and 1026 transitions. [2023-11-29 06:52:21,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1026 transitions. [2023-11-29 06:52:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-29 06:52:21,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:21,452 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, 1, 1, 1, 1] [2023-11-29 06:52:21,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:52:21,452 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:21,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:21,453 INFO L85 PathProgramCache]: Analyzing trace with hash -275325044, now seen corresponding path program 1 times [2023-11-29 06:52:21,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:21,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185649837] [2023-11-29 06:52:21,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:21,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:21,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 06:52:21,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:21,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185649837] [2023-11-29 06:52:21,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185649837] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:21,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439102309] [2023-11-29 06:52:21,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:21,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:21,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:21,699 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:21,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:52:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:22,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:52:22,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:22,347 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 06:52:22,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:22,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439102309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:22,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:52:22,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-29 06:52:22,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737417316] [2023-11-29 06:52:22,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:22,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:52:22,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:22,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:52:22,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:22,350 INFO L87 Difference]: Start difference. First operand 732 states and 1026 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:22,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:22,525 INFO L93 Difference]: Finished difference Result 978 states and 1400 transitions. [2023-11-29 06:52:22,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:52:22,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2023-11-29 06:52:22,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:22,531 INFO L225 Difference]: With dead ends: 978 [2023-11-29 06:52:22,531 INFO L226 Difference]: Without dead ends: 977 [2023-11-29 06:52:22,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:22,532 INFO L413 NwaCegarLoop]: 1291 mSDtfsCounter, 701 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 2228 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:22,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 2228 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:22,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2023-11-29 06:52:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 731. [2023-11-29 06:52:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 609 states have (on average 1.561576354679803) internal successors, (951), 682 states have internal predecessors, (951), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1025 transitions. [2023-11-29 06:52:22,555 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1025 transitions. Word has length 56 [2023-11-29 06:52:22,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:22,556 INFO L495 AbstractCegarLoop]: Abstraction has 731 states and 1025 transitions. [2023-11-29 06:52:22,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1025 transitions. [2023-11-29 06:52:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:52:22,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:22,557 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, 1, 1, 1, 1] [2023-11-29 06:52:22,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 06:52:22,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 06:52:22,758 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:22,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:22,758 INFO L85 PathProgramCache]: Analyzing trace with hash 54858272, now seen corresponding path program 1 times [2023-11-29 06:52:22,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:22,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65867660] [2023-11-29 06:52:22,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:22,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 06:52:22,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:22,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65867660] [2023-11-29 06:52:22,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65867660] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:22,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90596327] [2023-11-29 06:52:22,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:22,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:22,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:22,946 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:22,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:52:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:23,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:52:23,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 06:52:23,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:52:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 06:52:23,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90596327] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:52:23,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:52:23,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 06:52:23,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382726714] [2023-11-29 06:52:23,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:52:23,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:52:23,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:23,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:52:23,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:23,612 INFO L87 Difference]: Start difference. First operand 731 states and 1025 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:24,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:24,029 INFO L93 Difference]: Finished difference Result 1712 states and 2515 transitions. [2023-11-29 06:52:24,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:24,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2023-11-29 06:52:24,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:24,040 INFO L225 Difference]: With dead ends: 1712 [2023-11-29 06:52:24,040 INFO L226 Difference]: Without dead ends: 1711 [2023-11-29 06:52:24,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:24,042 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 1456 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 4729 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:24,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 4729 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:52:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2023-11-29 06:52:24,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 743. [2023-11-29 06:52:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 621 states have (on average 1.5555555555555556) internal successors, (966), 694 states have internal predecessors, (966), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:24,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1040 transitions. [2023-11-29 06:52:24,093 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1040 transitions. Word has length 57 [2023-11-29 06:52:24,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:24,093 INFO L495 AbstractCegarLoop]: Abstraction has 743 states and 1040 transitions. [2023-11-29 06:52:24,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1040 transitions. [2023-11-29 06:52:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:52:24,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:24,095 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:24,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 06:52:24,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 06:52:24,296 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:24,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:24,296 INFO L85 PathProgramCache]: Analyzing trace with hash 621356975, now seen corresponding path program 1 times [2023-11-29 06:52:24,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:24,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066879755] [2023-11-29 06:52:24,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:24,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:24,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 06:52:24,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:24,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066879755] [2023-11-29 06:52:24,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066879755] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:24,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333567894] [2023-11-29 06:52:24,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:24,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:24,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:24,538 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:24,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:52:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:25,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:52:25,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:25,240 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 06:52:25,240 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:52:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 06:52:25,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333567894] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:52:25,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:52:25,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-29 06:52:25,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126267854] [2023-11-29 06:52:25,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:52:25,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:52:25,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:25,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:52:25,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:25,263 INFO L87 Difference]: Start difference. First operand 743 states and 1040 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:25,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:25,425 INFO L93 Difference]: Finished difference Result 1461 states and 2057 transitions. [2023-11-29 06:52:25,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:25,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2023-11-29 06:52:25,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:25,430 INFO L225 Difference]: With dead ends: 1461 [2023-11-29 06:52:25,431 INFO L226 Difference]: Without dead ends: 761 [2023-11-29 06:52:25,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:25,434 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 4 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:25,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2820 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:25,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2023-11-29 06:52:25,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 761. [2023-11-29 06:52:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 639 states have (on average 1.539906103286385) internal successors, (984), 712 states have internal predecessors, (984), 41 states have call successors, (41), 16 states have call predecessors, (41), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 06:52:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1058 transitions. [2023-11-29 06:52:25,463 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1058 transitions. Word has length 57 [2023-11-29 06:52:25,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:25,463 INFO L495 AbstractCegarLoop]: Abstraction has 761 states and 1058 transitions. [2023-11-29 06:52:25,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1058 transitions. [2023-11-29 06:52:25,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 06:52:25,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:25,465 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, 1] [2023-11-29 06:52:25,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 06:52:25,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 06:52:25,669 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:25,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:25,669 INFO L85 PathProgramCache]: Analyzing trace with hash 811581125, now seen corresponding path program 1 times [2023-11-29 06:52:25,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:25,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002708041] [2023-11-29 06:52:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:25,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:25,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 06:52:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 06:52:25,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:25,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002708041] [2023-11-29 06:52:25,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002708041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:25,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:25,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:52:25,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956985123] [2023-11-29 06:52:25,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:25,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:52:25,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:25,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:52:25,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:52:25,941 INFO L87 Difference]: Start difference. First operand 761 states and 1058 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:27,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:27,349 INFO L93 Difference]: Finished difference Result 1757 states and 2524 transitions. [2023-11-29 06:52:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:52:27,350 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2023-11-29 06:52:27,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:27,357 INFO L225 Difference]: With dead ends: 1757 [2023-11-29 06:52:27,357 INFO L226 Difference]: Without dead ends: 1122 [2023-11-29 06:52:27,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:27,360 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 1008 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 1451 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:27,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 1451 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 06:52:27,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2023-11-29 06:52:27,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 801. [2023-11-29 06:52:27,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 678 states have (on average 1.5309734513274336) internal successors, (1038), 751 states have internal predecessors, (1038), 42 states have call successors, (42), 16 states have call predecessors, (42), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 06:52:27,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1114 transitions. [2023-11-29 06:52:27,399 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1114 transitions. Word has length 65 [2023-11-29 06:52:27,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:27,400 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1114 transitions. [2023-11-29 06:52:27,400 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1114 transitions. [2023-11-29 06:52:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-29 06:52:27,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:27,401 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, 1, 1, 1] [2023-11-29 06:52:27,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 06:52:27,401 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting getopt32Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:27,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:27,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1726828756, now seen corresponding path program 1 times [2023-11-29 06:52:27,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:27,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590104735] [2023-11-29 06:52:27,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:27,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 06:52:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:27,614 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 06:52:27,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:27,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590104735] [2023-11-29 06:52:27,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590104735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:27,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:27,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:52:27,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686031447] [2023-11-29 06:52:27,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:27,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:52:27,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:27,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:52:27,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:52:27,616 INFO L87 Difference]: Start difference. First operand 801 states and 1114 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:52:28,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:28,812 INFO L93 Difference]: Finished difference Result 1020 states and 1453 transitions. [2023-11-29 06:52:28,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:52:28,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 67 [2023-11-29 06:52:28,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:28,818 INFO L225 Difference]: With dead ends: 1020 [2023-11-29 06:52:28,818 INFO L226 Difference]: Without dead ends: 1018 [2023-11-29 06:52:28,819 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 [2023-11-29 06:52:28,819 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 727 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:28,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1498 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 06:52:28,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2023-11-29 06:52:28,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 801. [2023-11-29 06:52:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 678 states have (on average 1.528023598820059) internal successors, (1036), 751 states have internal predecessors, (1036), 42 states have call successors, (42), 16 states have call predecessors, (42), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 06:52:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1112 transitions. [2023-11-29 06:52:28,843 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1112 transitions. Word has length 67 [2023-11-29 06:52:28,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:28,844 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1112 transitions. [2023-11-29 06:52:28,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:52:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1112 transitions. [2023-11-29 06:52:28,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 06:52:28,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:28,845 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, 1, 1, 1, 1] [2023-11-29 06:52:28,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 06:52:28,846 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:28,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:28,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1275308939, now seen corresponding path program 2 times [2023-11-29 06:52:28,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:28,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686668681] [2023-11-29 06:52:28,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:28,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 06:52:29,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:29,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686668681] [2023-11-29 06:52:29,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686668681] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:29,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911430868] [2023-11-29 06:52:29,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:52:29,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:29,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:29,083 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:29,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:52:29,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 06:52:29,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:52:29,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:52:29,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 06:52:29,844 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:29,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911430868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:29,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:52:29,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-29 06:52:29,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690732013] [2023-11-29 06:52:29,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:29,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:52:29,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:29,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:52:29,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:52:29,846 INFO L87 Difference]: Start difference. First operand 801 states and 1112 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:30,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:30,137 INFO L93 Difference]: Finished difference Result 1528 states and 2144 transitions. [2023-11-29 06:52:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:30,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2023-11-29 06:52:30,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:30,141 INFO L225 Difference]: With dead ends: 1528 [2023-11-29 06:52:30,141 INFO L226 Difference]: Without dead ends: 801 [2023-11-29 06:52:30,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:52:30,144 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 166 mSDsluCounter, 2763 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 3692 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:30,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 3692 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:52:30,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2023-11-29 06:52:30,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2023-11-29 06:52:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 678 states have (on average 1.5265486725663717) internal successors, (1035), 751 states have internal predecessors, (1035), 42 states have call successors, (42), 16 states have call predecessors, (42), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 06:52:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1111 transitions. [2023-11-29 06:52:30,165 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1111 transitions. Word has length 69 [2023-11-29 06:52:30,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:30,165 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1111 transitions. [2023-11-29 06:52:30,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1111 transitions. [2023-11-29 06:52:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 06:52:30,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:30,166 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:30,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 06:52:30,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 06:52:30,368 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:30,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:30,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1528722685, now seen corresponding path program 2 times [2023-11-29 06:52:30,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:30,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226778696] [2023-11-29 06:52:30,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:30,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-29 06:52:30,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:30,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226778696] [2023-11-29 06:52:30,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226778696] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:30,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256127895] [2023-11-29 06:52:30,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:52:30,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:30,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:30,653 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:30,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 06:52:31,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 06:52:31,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:52:31,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:52:31,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 06:52:31,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:52:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 06:52:31,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256127895] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:52:31,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:52:31,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-29 06:52:31,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80847248] [2023-11-29 06:52:31,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:52:31,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:52:31,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:31,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:52:31,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:52:31,578 INFO L87 Difference]: Start difference. First operand 801 states and 1111 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:32,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:32,044 INFO L93 Difference]: Finished difference Result 1585 states and 2215 transitions. [2023-11-29 06:52:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:52:32,045 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2023-11-29 06:52:32,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:32,048 INFO L225 Difference]: With dead ends: 1585 [2023-11-29 06:52:32,049 INFO L226 Difference]: Without dead ends: 836 [2023-11-29 06:52:32,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 06:52:32,052 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 11 mSDsluCounter, 4670 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5608 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:32,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 5608 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:52:32,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2023-11-29 06:52:32,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 836. [2023-11-29 06:52:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 714 states have (on average 1.4985994397759104) internal successors, (1070), 786 states have internal predecessors, (1070), 42 states have call successors, (42), 16 states have call predecessors, (42), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 06:52:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1146 transitions. [2023-11-29 06:52:32,086 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1146 transitions. Word has length 75 [2023-11-29 06:52:32,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:32,086 INFO L495 AbstractCegarLoop]: Abstraction has 836 states and 1146 transitions. [2023-11-29 06:52:32,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1146 transitions. [2023-11-29 06:52:32,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 06:52:32,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:32,088 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, 1, 1, 1, 1] [2023-11-29 06:52:32,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 06:52:32,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 06:52:32,288 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:32,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:32,289 INFO L85 PathProgramCache]: Analyzing trace with hash -402325190, now seen corresponding path program 1 times [2023-11-29 06:52:32,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:32,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263483269] [2023-11-29 06:52:32,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:32,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:52:32,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:32,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263483269] [2023-11-29 06:52:32,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263483269] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:32,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684256936] [2023-11-29 06:52:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:32,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:32,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:32,697 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:32,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 06:52:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:33,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:52:33,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:52:33,530 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:52:33,642 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:52:33,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684256936] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:52:33,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:52:33,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-29 06:52:33,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367969] [2023-11-29 06:52:33,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:52:33,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:52:33,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:33,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:52:33,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:52:33,645 INFO L87 Difference]: Start difference. First operand 836 states and 1146 transitions. Second operand has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:34,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:34,362 INFO L93 Difference]: Finished difference Result 3681 states and 5402 transitions. [2023-11-29 06:52:34,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:52:34,362 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 104 [2023-11-29 06:52:34,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:34,380 INFO L225 Difference]: With dead ends: 3681 [2023-11-29 06:52:34,380 INFO L226 Difference]: Without dead ends: 3680 [2023-11-29 06:52:34,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:52:34,382 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 5847 mSDsluCounter, 6596 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5927 SdHoareTripleChecker+Valid, 7532 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:34,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5927 Valid, 7532 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:52:34,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2023-11-29 06:52:34,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 860. [2023-11-29 06:52:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 738 states have (on average 1.4905149051490514) internal successors, (1100), 810 states have internal predecessors, (1100), 42 states have call successors, (42), 16 states have call predecessors, (42), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 06:52:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1176 transitions. [2023-11-29 06:52:34,449 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1176 transitions. Word has length 104 [2023-11-29 06:52:34,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:34,449 INFO L495 AbstractCegarLoop]: Abstraction has 860 states and 1176 transitions. [2023-11-29 06:52:34,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:52:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1176 transitions. [2023-11-29 06:52:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 06:52:34,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:34,451 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, 1, 1] [2023-11-29 06:52:34,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 06:52:34,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:34,652 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting getopt32Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:34,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:34,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1384129002, now seen corresponding path program 1 times [2023-11-29 06:52:34,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:34,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288572923] [2023-11-29 06:52:34,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:34,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 06:52:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:52:35,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:35,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288572923] [2023-11-29 06:52:35,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288572923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:35,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:35,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:52:35,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871620539] [2023-11-29 06:52:35,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:35,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:52:35,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:35,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:52:35,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:35,169 INFO L87 Difference]: Start difference. First operand 860 states and 1176 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:36,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:36,463 INFO L93 Difference]: Finished difference Result 1837 states and 2588 transitions. [2023-11-29 06:52:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:36,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 109 [2023-11-29 06:52:36,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:36,471 INFO L225 Difference]: With dead ends: 1837 [2023-11-29 06:52:36,471 INFO L226 Difference]: Without dead ends: 1257 [2023-11-29 06:52:36,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:52:36,474 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 2181 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:36,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 1495 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 06:52:36,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2023-11-29 06:52:36,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 947. [2023-11-29 06:52:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 823 states have (on average 1.4750911300121508) internal successors, (1214), 894 states have internal predecessors, (1214), 43 states have call successors, (43), 18 states have call predecessors, (43), 15 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 06:52:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1292 transitions. [2023-11-29 06:52:36,528 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1292 transitions. Word has length 109 [2023-11-29 06:52:36,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:36,528 INFO L495 AbstractCegarLoop]: Abstraction has 947 states and 1292 transitions. [2023-11-29 06:52:36,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:36,528 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1292 transitions. [2023-11-29 06:52:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 06:52:36,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:36,530 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, 1, 1] [2023-11-29 06:52:36,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 06:52:36,530 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting getopt32Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:36,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:36,531 INFO L85 PathProgramCache]: Analyzing trace with hash 479847148, now seen corresponding path program 1 times [2023-11-29 06:52:36,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:36,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989140640] [2023-11-29 06:52:36,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:36,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 06:52:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:52:36,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:36,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989140640] [2023-11-29 06:52:36,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989140640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:36,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:36,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:52:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837606244] [2023-11-29 06:52:36,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:36,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:52:36,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:36,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:52:36,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:36,978 INFO L87 Difference]: Start difference. First operand 947 states and 1292 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:38,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:38,248 INFO L93 Difference]: Finished difference Result 1834 states and 2579 transitions. [2023-11-29 06:52:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:38,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 109 [2023-11-29 06:52:38,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:38,255 INFO L225 Difference]: With dead ends: 1834 [2023-11-29 06:52:38,255 INFO L226 Difference]: Without dead ends: 1257 [2023-11-29 06:52:38,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:52:38,258 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 2004 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:38,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 1635 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 06:52:38,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2023-11-29 06:52:38,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 860. [2023-11-29 06:52:38,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 738 states have (on average 1.4878048780487805) internal successors, (1098), 810 states have internal predecessors, (1098), 42 states have call successors, (42), 16 states have call predecessors, (42), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 06:52:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1174 transitions. [2023-11-29 06:52:38,309 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1174 transitions. Word has length 109 [2023-11-29 06:52:38,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:38,310 INFO L495 AbstractCegarLoop]: Abstraction has 860 states and 1174 transitions. [2023-11-29 06:52:38,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1174 transitions. [2023-11-29 06:52:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 06:52:38,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:38,312 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, 1, 1, 1] [2023-11-29 06:52:38,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 06:52:38,312 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:38,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:38,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1654072774, now seen corresponding path program 1 times [2023-11-29 06:52:38,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:38,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825311229] [2023-11-29 06:52:38,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:38,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 06:52:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-11-29 06:52:39,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:39,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825311229] [2023-11-29 06:52:39,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825311229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:39,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:39,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:52:39,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42503632] [2023-11-29 06:52:39,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:39,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:52:39,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:39,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:52:39,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:39,019 INFO L87 Difference]: Start difference. First operand 860 states and 1174 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:41,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:41,281 INFO L93 Difference]: Finished difference Result 2297 states and 3283 transitions. [2023-11-29 06:52:41,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:52:41,282 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 111 [2023-11-29 06:52:41,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:41,288 INFO L225 Difference]: With dead ends: 2297 [2023-11-29 06:52:41,289 INFO L226 Difference]: Without dead ends: 1623 [2023-11-29 06:52:41,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:52:41,290 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 4126 mSDsluCounter, 1884 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4143 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:41,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4143 Valid, 2418 Invalid, 2454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 06:52:41,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2023-11-29 06:52:41,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1164. [2023-11-29 06:52:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1032 states have (on average 1.5087209302325582) internal successors, (1557), 1104 states have internal predecessors, (1557), 51 states have call successors, (51), 17 states have call predecessors, (51), 15 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1651 transitions. [2023-11-29 06:52:41,344 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1651 transitions. Word has length 111 [2023-11-29 06:52:41,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:41,344 INFO L495 AbstractCegarLoop]: Abstraction has 1164 states and 1651 transitions. [2023-11-29 06:52:41,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1651 transitions. [2023-11-29 06:52:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 06:52:41,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:41,346 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, 1, 1, 1] [2023-11-29 06:52:41,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 06:52:41,346 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:41,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:41,346 INFO L85 PathProgramCache]: Analyzing trace with hash -222604872, now seen corresponding path program 1 times [2023-11-29 06:52:41,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:41,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528714716] [2023-11-29 06:52:41,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:41,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 06:52:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:42,051 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-11-29 06:52:42,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:42,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528714716] [2023-11-29 06:52:42,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528714716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:42,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:42,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:52:42,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463476594] [2023-11-29 06:52:42,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:42,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:52:42,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:42,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:52:42,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:42,054 INFO L87 Difference]: Start difference. First operand 1164 states and 1651 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:44,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:44,754 INFO L93 Difference]: Finished difference Result 2300 states and 3285 transitions. [2023-11-29 06:52:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:52:44,754 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 111 [2023-11-29 06:52:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:44,762 INFO L225 Difference]: With dead ends: 2300 [2023-11-29 06:52:44,762 INFO L226 Difference]: Without dead ends: 1623 [2023-11-29 06:52:44,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:52:44,764 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 4110 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 2250 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4127 SdHoareTripleChecker+Valid, 2435 SdHoareTripleChecker+Invalid, 2447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 2250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:44,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4127 Valid, 2435 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 2250 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 06:52:44,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2023-11-29 06:52:44,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1164. [2023-11-29 06:52:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1032 states have (on average 1.5067829457364341) internal successors, (1555), 1104 states have internal predecessors, (1555), 51 states have call successors, (51), 17 states have call predecessors, (51), 15 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:44,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1649 transitions. [2023-11-29 06:52:44,822 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1649 transitions. Word has length 111 [2023-11-29 06:52:44,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:44,823 INFO L495 AbstractCegarLoop]: Abstraction has 1164 states and 1649 transitions. [2023-11-29 06:52:44,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:44,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1649 transitions. [2023-11-29 06:52:44,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 06:52:44,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:44,824 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, 1, 1, 1] [2023-11-29 06:52:44,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 06:52:44,824 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:44,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:44,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1911548614, now seen corresponding path program 1 times [2023-11-29 06:52:44,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:44,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141407408] [2023-11-29 06:52:44,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:44,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:45,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 06:52:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:52:45,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:45,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141407408] [2023-11-29 06:52:45,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141407408] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:45,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750793686] [2023-11-29 06:52:45,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:45,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:45,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:45,072 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:45,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 06:52:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:45,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:52:45,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:52:45,757 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:45,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750793686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:45,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:52:45,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-29 06:52:45,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086061170] [2023-11-29 06:52:45,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:45,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:52:45,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:45,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:52:45,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:45,758 INFO L87 Difference]: Start difference. First operand 1164 states and 1649 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:46,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:46,009 INFO L93 Difference]: Finished difference Result 2154 states and 3137 transitions. [2023-11-29 06:52:46,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:52:46,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 111 [2023-11-29 06:52:46,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:46,015 INFO L225 Difference]: With dead ends: 2154 [2023-11-29 06:52:46,015 INFO L226 Difference]: Without dead ends: 1279 [2023-11-29 06:52:46,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:46,018 INFO L413 NwaCegarLoop]: 1001 mSDtfsCounter, 503 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:46,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1975 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:52:46,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2023-11-29 06:52:46,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1137. [2023-11-29 06:52:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1014 states have (on average 1.4881656804733727) internal successors, (1509), 1077 states have internal predecessors, (1509), 51 states have call successors, (51), 17 states have call predecessors, (51), 15 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:46,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1603 transitions. [2023-11-29 06:52:46,078 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1603 transitions. Word has length 111 [2023-11-29 06:52:46,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:46,078 INFO L495 AbstractCegarLoop]: Abstraction has 1137 states and 1603 transitions. [2023-11-29 06:52:46,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:46,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1603 transitions. [2023-11-29 06:52:46,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 06:52:46,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:46,079 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, 1, 1, 1] [2023-11-29 06:52:46,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 06:52:46,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 06:52:46,280 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting getopt32Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:46,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:46,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1247787485, now seen corresponding path program 1 times [2023-11-29 06:52:46,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:46,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680433154] [2023-11-29 06:52:46,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:46,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 06:52:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-29 06:52:46,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:46,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680433154] [2023-11-29 06:52:46,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680433154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:46,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:46,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:52:46,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120300761] [2023-11-29 06:52:46,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:46,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:52:46,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:46,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:52:46,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:52:46,472 INFO L87 Difference]: Start difference. First operand 1137 states and 1603 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:52:47,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:47,701 INFO L93 Difference]: Finished difference Result 1556 states and 2273 transitions. [2023-11-29 06:52:47,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:52:47,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 113 [2023-11-29 06:52:47,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:47,706 INFO L225 Difference]: With dead ends: 1556 [2023-11-29 06:52:47,706 INFO L226 Difference]: Without dead ends: 1555 [2023-11-29 06:52:47,706 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 [2023-11-29 06:52:47,707 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 722 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 1459 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:47,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 1459 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 06:52:47,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2023-11-29 06:52:47,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1136. [2023-11-29 06:52:47,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 1014 states have (on average 1.4861932938856015) internal successors, (1507), 1076 states have internal predecessors, (1507), 51 states have call successors, (51), 17 states have call predecessors, (51), 15 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1601 transitions. [2023-11-29 06:52:47,767 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1601 transitions. Word has length 113 [2023-11-29 06:52:47,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:47,767 INFO L495 AbstractCegarLoop]: Abstraction has 1136 states and 1601 transitions. [2023-11-29 06:52:47,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:52:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1601 transitions. [2023-11-29 06:52:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 06:52:47,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:47,768 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, 1, 1, 1] [2023-11-29 06:52:47,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 06:52:47,769 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:47,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:47,769 INFO L85 PathProgramCache]: Analyzing trace with hash 26706465, now seen corresponding path program 1 times [2023-11-29 06:52:47,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:47,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956071862] [2023-11-29 06:52:47,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:47,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 06:52:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:52:48,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:48,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956071862] [2023-11-29 06:52:48,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956071862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:48,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:48,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:52:48,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218608961] [2023-11-29 06:52:48,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:48,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:52:48,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:48,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:52:48,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:52:48,236 INFO L87 Difference]: Start difference. First operand 1136 states and 1601 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:49,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:49,438 INFO L93 Difference]: Finished difference Result 2570 states and 3736 transitions. [2023-11-29 06:52:49,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:52:49,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 114 [2023-11-29 06:52:49,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:49,443 INFO L225 Difference]: With dead ends: 2570 [2023-11-29 06:52:49,443 INFO L226 Difference]: Without dead ends: 1559 [2023-11-29 06:52:49,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:49,445 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 742 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:49,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 1429 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 06:52:49,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2023-11-29 06:52:49,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1140. [2023-11-29 06:52:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1017 states have (on average 1.4837758112094395) internal successors, (1509), 1079 states have internal predecessors, (1509), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1603 transitions. [2023-11-29 06:52:49,506 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1603 transitions. Word has length 114 [2023-11-29 06:52:49,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:49,506 INFO L495 AbstractCegarLoop]: Abstraction has 1140 states and 1603 transitions. [2023-11-29 06:52:49,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1603 transitions. [2023-11-29 06:52:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 06:52:49,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:49,508 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:49,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 06:52:49,508 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:49,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:49,508 INFO L85 PathProgramCache]: Analyzing trace with hash 2107591449, now seen corresponding path program 1 times [2023-11-29 06:52:49,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:49,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201358926] [2023-11-29 06:52:49,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:49,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-29 06:52:49,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:49,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201358926] [2023-11-29 06:52:49,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201358926] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:52:49,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556601315] [2023-11-29 06:52:49,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:49,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:49,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:49,790 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:49,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 06:52:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:50,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:52:50,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-29 06:52:50,530 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:52:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-29 06:52:50,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556601315] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:52:50,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:52:50,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 06:52:50,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785120740] [2023-11-29 06:52:50,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:52:50,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:52:50,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:50,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:52:50,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:50,609 INFO L87 Difference]: Start difference. First operand 1140 states and 1603 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 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) [2023-11-29 06:52:50,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:50,858 INFO L93 Difference]: Finished difference Result 1249 states and 1720 transitions. [2023-11-29 06:52:50,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:50,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 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 112 [2023-11-29 06:52:50,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:50,862 INFO L225 Difference]: With dead ends: 1249 [2023-11-29 06:52:50,862 INFO L226 Difference]: Without dead ends: 1248 [2023-11-29 06:52:50,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:50,863 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 4 mSDsluCounter, 2770 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3695 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:50,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3695 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:52:50,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2023-11-29 06:52:50,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1245. [2023-11-29 06:52:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1122 states have (on average 1.4438502673796791) internal successors, (1620), 1184 states have internal predecessors, (1620), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1714 transitions. [2023-11-29 06:52:50,929 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1714 transitions. Word has length 112 [2023-11-29 06:52:50,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:50,929 INFO L495 AbstractCegarLoop]: Abstraction has 1245 states and 1714 transitions. [2023-11-29 06:52:50,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 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) [2023-11-29 06:52:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1714 transitions. [2023-11-29 06:52:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 06:52:50,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:50,931 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:50,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 06:52:51,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 06:52:51,132 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:51,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:51,132 INFO L85 PathProgramCache]: Analyzing trace with hash 287517313, now seen corresponding path program 1 times [2023-11-29 06:52:51,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:51,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037515647] [2023-11-29 06:52:51,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:51,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:51,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:51,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 06:52:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:52:51,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:51,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037515647] [2023-11-29 06:52:51,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037515647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:51,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:51,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:52:51,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49935543] [2023-11-29 06:52:51,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:51,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:52:51,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:51,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:52:51,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:51,427 INFO L87 Difference]: Start difference. First operand 1245 states and 1714 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:52,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:52,899 INFO L93 Difference]: Finished difference Result 2686 states and 3863 transitions. [2023-11-29 06:52:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:52:52,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 122 [2023-11-29 06:52:52,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:52,903 INFO L225 Difference]: With dead ends: 2686 [2023-11-29 06:52:52,903 INFO L226 Difference]: Without dead ends: 1666 [2023-11-29 06:52:52,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:52,905 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 725 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1940 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:52,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1940 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 06:52:52,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2023-11-29 06:52:52,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1247. [2023-11-29 06:52:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1124 states have (on average 1.4430604982206405) internal successors, (1622), 1186 states have internal predecessors, (1622), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:52,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1716 transitions. [2023-11-29 06:52:52,971 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1716 transitions. Word has length 122 [2023-11-29 06:52:52,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:52,971 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1716 transitions. [2023-11-29 06:52:52,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:52,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1716 transitions. [2023-11-29 06:52:52,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 06:52:52,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:52,973 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:52,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 06:52:52,973 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:52,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:52,973 INFO L85 PathProgramCache]: Analyzing trace with hash 535663807, now seen corresponding path program 1 times [2023-11-29 06:52:52,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:52,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123074181] [2023-11-29 06:52:52,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:52,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 06:52:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:52:53,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:53,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123074181] [2023-11-29 06:52:53,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123074181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:53,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:53,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:52:53,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660522879] [2023-11-29 06:52:53,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:53,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:52:53,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:53,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:52:53,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:52:53,214 INFO L87 Difference]: Start difference. First operand 1247 states and 1716 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:54,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:54,930 INFO L93 Difference]: Finished difference Result 2695 states and 3876 transitions. [2023-11-29 06:52:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:54,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 122 [2023-11-29 06:52:54,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:54,933 INFO L225 Difference]: With dead ends: 2695 [2023-11-29 06:52:54,933 INFO L226 Difference]: Without dead ends: 1673 [2023-11-29 06:52:54,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:54,936 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 733 mSDsluCounter, 1939 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 2088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:54,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 2454 Invalid, 2088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2058 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 06:52:54,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2023-11-29 06:52:55,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1250. [2023-11-29 06:52:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1127 states have (on average 1.4409937888198758) internal successors, (1624), 1189 states have internal predecessors, (1624), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1718 transitions. [2023-11-29 06:52:55,008 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1718 transitions. Word has length 122 [2023-11-29 06:52:55,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:55,008 INFO L495 AbstractCegarLoop]: Abstraction has 1250 states and 1718 transitions. [2023-11-29 06:52:55,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:55,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1718 transitions. [2023-11-29 06:52:55,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 06:52:55,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:55,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:55,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 06:52:55,010 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:55,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:55,011 INFO L85 PathProgramCache]: Analyzing trace with hash -2098212250, now seen corresponding path program 1 times [2023-11-29 06:52:55,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:55,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798490068] [2023-11-29 06:52:55,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:55,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:55,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:52:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:52:55,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:55,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798490068] [2023-11-29 06:52:55,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798490068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:55,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:55,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:52:55,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185140138] [2023-11-29 06:52:55,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:55,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:52:55,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:55,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:52:55,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:55,256 INFO L87 Difference]: Start difference. First operand 1250 states and 1718 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:56,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:56,795 INFO L93 Difference]: Finished difference Result 2688 states and 3862 transitions. [2023-11-29 06:52:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:52:56,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 124 [2023-11-29 06:52:56,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:56,798 INFO L225 Difference]: With dead ends: 2688 [2023-11-29 06:52:56,798 INFO L226 Difference]: Without dead ends: 1671 [2023-11-29 06:52:56,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:52:56,800 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 725 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1948 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:56,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1948 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 06:52:56,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2023-11-29 06:52:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1252. [2023-11-29 06:52:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1129 states have (on average 1.4402125775022143) internal successors, (1626), 1191 states have internal predecessors, (1626), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1720 transitions. [2023-11-29 06:52:56,879 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1720 transitions. Word has length 124 [2023-11-29 06:52:56,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:56,879 INFO L495 AbstractCegarLoop]: Abstraction has 1252 states and 1720 transitions. [2023-11-29 06:52:56,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:56,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1720 transitions. [2023-11-29 06:52:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 06:52:56,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:56,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:56,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 06:52:56,880 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:56,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:56,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1674565528, now seen corresponding path program 1 times [2023-11-29 06:52:56,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:56,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276313264] [2023-11-29 06:52:56,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:56,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:52:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:52:57,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:57,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276313264] [2023-11-29 06:52:57,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276313264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:57,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:57,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:52:57,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288941515] [2023-11-29 06:52:57,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:57,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:52:57,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:57,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:52:57,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:52:57,127 INFO L87 Difference]: Start difference. First operand 1252 states and 1720 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:58,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:58,848 INFO L93 Difference]: Finished difference Result 2696 states and 3873 transitions. [2023-11-29 06:52:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:58,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 124 [2023-11-29 06:52:58,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:58,851 INFO L225 Difference]: With dead ends: 2696 [2023-11-29 06:52:58,851 INFO L226 Difference]: Without dead ends: 1677 [2023-11-29 06:52:58,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:52:58,853 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 733 mSDsluCounter, 1949 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:58,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 2468 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 06:52:58,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2023-11-29 06:52:58,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1251. [2023-11-29 06:52:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 1128 states have (on average 1.4397163120567376) internal successors, (1624), 1190 states have internal predecessors, (1624), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:52:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1718 transitions. [2023-11-29 06:52:58,920 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1718 transitions. Word has length 124 [2023-11-29 06:52:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:58,920 INFO L495 AbstractCegarLoop]: Abstraction has 1251 states and 1718 transitions. [2023-11-29 06:52:58,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:52:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1718 transitions. [2023-11-29 06:52:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 06:52:58,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:58,922 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:58,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 06:52:58,922 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:52:58,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:58,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1095120283, now seen corresponding path program 1 times [2023-11-29 06:52:58,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:58,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522475393] [2023-11-29 06:52:58,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:58,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:52:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:59,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:52:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:52:59,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:59,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522475393] [2023-11-29 06:52:59,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522475393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:59,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:59,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:52:59,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575276252] [2023-11-29 06:52:59,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:59,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:52:59,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:59,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:52:59,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:52:59,465 INFO L87 Difference]: Start difference. First operand 1251 states and 1718 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:53:01,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:01,418 INFO L93 Difference]: Finished difference Result 2162 states and 3056 transitions. [2023-11-29 06:53:01,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:53:01,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 124 [2023-11-29 06:53:01,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:01,421 INFO L225 Difference]: With dead ends: 2162 [2023-11-29 06:53:01,421 INFO L226 Difference]: Without dead ends: 1252 [2023-11-29 06:53:01,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:53:01,424 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 415 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:01,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 2009 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 06:53:01,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2023-11-29 06:53:01,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1252. [2023-11-29 06:53:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1129 states have (on average 1.4393268379096547) internal successors, (1625), 1191 states have internal predecessors, (1625), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:53:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1719 transitions. [2023-11-29 06:53:01,522 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1719 transitions. Word has length 124 [2023-11-29 06:53:01,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:01,522 INFO L495 AbstractCegarLoop]: Abstraction has 1252 states and 1719 transitions. [2023-11-29 06:53:01,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:53:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1719 transitions. [2023-11-29 06:53:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 06:53:01,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:01,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:01,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 06:53:01,524 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:53:01,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:01,525 INFO L85 PathProgramCache]: Analyzing trace with hash 464913125, now seen corresponding path program 1 times [2023-11-29 06:53:01,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:01,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223096695] [2023-11-29 06:53:01,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:01,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:02,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:53:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:53:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:53:02,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:02,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223096695] [2023-11-29 06:53:02,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223096695] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:02,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85680311] [2023-11-29 06:53:02,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:02,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:02,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:02,229 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:02,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 06:53:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:03,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 06:53:03,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:03,291 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-11-29 06:53:03,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:03,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85680311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:03,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:53:03,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2023-11-29 06:53:03,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230390083] [2023-11-29 06:53:03,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:03,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:53:03,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:03,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:53:03,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:53:03,293 INFO L87 Difference]: Start difference. First operand 1252 states and 1719 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:53:03,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:03,528 INFO L93 Difference]: Finished difference Result 2268 states and 3187 transitions. [2023-11-29 06:53:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:53:03,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 125 [2023-11-29 06:53:03,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:03,532 INFO L225 Difference]: With dead ends: 2268 [2023-11-29 06:53:03,532 INFO L226 Difference]: Without dead ends: 1255 [2023-11-29 06:53:03,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:03,535 INFO L413 NwaCegarLoop]: 927 mSDtfsCounter, 18 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3663 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:03,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3663 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:03,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2023-11-29 06:53:03,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1254. [2023-11-29 06:53:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1131 states have (on average 1.438549955791335) internal successors, (1627), 1193 states have internal predecessors, (1627), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:53:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1721 transitions. [2023-11-29 06:53:03,618 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1721 transitions. Word has length 125 [2023-11-29 06:53:03,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:03,618 INFO L495 AbstractCegarLoop]: Abstraction has 1254 states and 1721 transitions. [2023-11-29 06:53:03,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:53:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1721 transitions. [2023-11-29 06:53:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 06:53:03,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:03,619 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:03,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 06:53:03,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2023-11-29 06:53:03,820 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:53:03,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:03,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1124444647, now seen corresponding path program 1 times [2023-11-29 06:53:03,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:03,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62190143] [2023-11-29 06:53:03,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:03,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:53:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:53:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-11-29 06:53:04,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:04,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62190143] [2023-11-29 06:53:04,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62190143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:04,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:04,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:53:04,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444468023] [2023-11-29 06:53:04,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:04,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:53:04,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:04,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:53:04,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:53:04,985 INFO L87 Difference]: Start difference. First operand 1254 states and 1721 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:53:07,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:07,366 INFO L93 Difference]: Finished difference Result 2021 states and 2779 transitions. [2023-11-29 06:53:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:53:07,366 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 125 [2023-11-29 06:53:07,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:07,369 INFO L225 Difference]: With dead ends: 2021 [2023-11-29 06:53:07,369 INFO L226 Difference]: Without dead ends: 1366 [2023-11-29 06:53:07,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:53:07,371 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 2139 mSDsluCounter, 2313 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2154 SdHoareTripleChecker+Valid, 2839 SdHoareTripleChecker+Invalid, 2778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:07,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2154 Valid, 2839 Invalid, 2778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 06:53:07,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2023-11-29 06:53:07,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1255. [2023-11-29 06:53:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1132 states have (on average 1.4381625441696113) internal successors, (1628), 1194 states have internal predecessors, (1628), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:53:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1722 transitions. [2023-11-29 06:53:07,437 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1722 transitions. Word has length 125 [2023-11-29 06:53:07,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:07,438 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 1722 transitions. [2023-11-29 06:53:07,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:53:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1722 transitions. [2023-11-29 06:53:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 06:53:07,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:07,439 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:07,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 06:53:07,439 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:53:07,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:07,440 INFO L85 PathProgramCache]: Analyzing trace with hash -564499095, now seen corresponding path program 1 times [2023-11-29 06:53:07,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:07,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915595972] [2023-11-29 06:53:07,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:53:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:53:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:53:08,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:08,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915595972] [2023-11-29 06:53:08,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915595972] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:08,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531716662] [2023-11-29 06:53:08,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:08,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:08,040 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:08,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 06:53:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:10,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:53:10,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:53:10,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:10,289 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:53:10,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531716662] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:10,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:53:10,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2023-11-29 06:53:10,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535588511] [2023-11-29 06:53:10,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:10,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:53:10,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:10,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:53:10,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:53:10,291 INFO L87 Difference]: Start difference. First operand 1255 states and 1722 transitions. Second operand has 11 states, 8 states have (on average 8.375) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:53:11,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:11,949 INFO L93 Difference]: Finished difference Result 2170 states and 3067 transitions. [2023-11-29 06:53:11,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:53:11,950 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 125 [2023-11-29 06:53:11,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:11,952 INFO L225 Difference]: With dead ends: 2170 [2023-11-29 06:53:11,952 INFO L226 Difference]: Without dead ends: 1258 [2023-11-29 06:53:11,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:53:11,955 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 415 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:11,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 2009 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 06:53:11,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2023-11-29 06:53:12,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1258. [2023-11-29 06:53:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1135 states have (on average 1.4370044052863435) internal successors, (1631), 1197 states have internal predecessors, (1631), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:53:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1725 transitions. [2023-11-29 06:53:12,038 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1725 transitions. Word has length 125 [2023-11-29 06:53:12,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:12,038 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1725 transitions. [2023-11-29 06:53:12,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:53:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1725 transitions. [2023-11-29 06:53:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 06:53:12,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:12,039 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:12,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 06:53:12,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2023-11-29 06:53:12,240 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:53:12,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:12,240 INFO L85 PathProgramCache]: Analyzing trace with hash -2116776027, now seen corresponding path program 2 times [2023-11-29 06:53:12,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:12,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296708775] [2023-11-29 06:53:12,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:12,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:53:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:53:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:53:12,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:12,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296708775] [2023-11-29 06:53:12,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296708775] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:12,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720948022] [2023-11-29 06:53:12,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:53:12,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:12,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:12,829 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:12,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 06:53:18,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 06:53:18,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:18,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 06:53:18,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:53:18,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:53:18,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720948022] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:18,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:53:18,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 20 [2023-11-29 06:53:18,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738674439] [2023-11-29 06:53:18,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:18,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 06:53:18,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:18,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 06:53:18,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:53:18,631 INFO L87 Difference]: Start difference. First operand 1258 states and 1725 transitions. Second operand has 20 states, 17 states have (on average 4.470588235294118) internal successors, (76), 19 states have internal predecessors, (76), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:53:22,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:22,521 INFO L93 Difference]: Finished difference Result 2176 states and 3076 transitions. [2023-11-29 06:53:22,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 06:53:22,521 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 4.470588235294118) internal successors, (76), 19 states have internal predecessors, (76), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 128 [2023-11-29 06:53:22,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:22,523 INFO L225 Difference]: With dead ends: 2176 [2023-11-29 06:53:22,524 INFO L226 Difference]: Without dead ends: 1264 [2023-11-29 06:53:22,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=233, Invalid=469, Unknown=0, NotChecked=0, Total=702 [2023-11-29 06:53:22,526 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 414 mSDsluCounter, 3530 mSDsCounter, 0 mSdLazyCounter, 3279 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 4060 SdHoareTripleChecker+Invalid, 3301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 3279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:22,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 4060 Invalid, 3301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 3279 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 06:53:22,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2023-11-29 06:53:22,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1264. [2023-11-29 06:53:22,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1141 states have (on average 1.434706397896582) internal successors, (1637), 1203 states have internal predecessors, (1637), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:53:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1731 transitions. [2023-11-29 06:53:22,594 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1731 transitions. Word has length 128 [2023-11-29 06:53:22,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:22,594 INFO L495 AbstractCegarLoop]: Abstraction has 1264 states and 1731 transitions. [2023-11-29 06:53:22,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 4.470588235294118) internal successors, (76), 19 states have internal predecessors, (76), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:53:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1731 transitions. [2023-11-29 06:53:22,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 06:53:22,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:22,596 INFO L195 NwaCegarLoop]: trace histogram [10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:22,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 06:53:22,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-11-29 06:53:22,796 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:53:22,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash 494467365, now seen corresponding path program 3 times [2023-11-29 06:53:22,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:22,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306291132] [2023-11-29 06:53:22,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:22,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:53:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:53:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,749 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:53:23,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:23,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306291132] [2023-11-29 06:53:23,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306291132] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:23,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617919496] [2023-11-29 06:53:23,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 06:53:23,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:23,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:23,751 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:23,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 06:54:07,532 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-29 06:54:07,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:54:07,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 06:54:07,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:54:07,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:54:08,415 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:54:08,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617919496] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:54:08,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:54:08,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 14] total 40 [2023-11-29 06:54:08,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94786821] [2023-11-29 06:54:08,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:54:08,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-29 06:54:08,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:08,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-29 06:54:08,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1199, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 06:54:08,418 INFO L87 Difference]: Start difference. First operand 1264 states and 1731 transitions. Second operand has 40 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 39 states have internal predecessors, (98), 2 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 06:54:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:24,430 INFO L93 Difference]: Finished difference Result 2613 states and 3774 transitions. [2023-11-29 06:54:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 06:54:24,430 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 39 states have internal predecessors, (98), 2 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 134 [2023-11-29 06:54:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:24,434 INFO L225 Difference]: With dead ends: 2613 [2023-11-29 06:54:24,434 INFO L226 Difference]: Without dead ends: 1701 [2023-11-29 06:54:24,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=825, Invalid=2255, Unknown=0, NotChecked=0, Total=3080 [2023-11-29 06:54:24,437 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 1407 mSDsluCounter, 9506 mSDsCounter, 0 mSdLazyCounter, 10710 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 9992 SdHoareTripleChecker+Invalid, 10763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 10710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:24,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 9992 Invalid, 10763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 10710 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-29 06:54:24,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2023-11-29 06:54:24,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1276. [2023-11-29 06:54:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1153 states have (on average 1.430182133564614) internal successors, (1649), 1215 states have internal predecessors, (1649), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:54:24,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1743 transitions. [2023-11-29 06:54:24,520 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1743 transitions. Word has length 134 [2023-11-29 06:54:24,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:24,521 INFO L495 AbstractCegarLoop]: Abstraction has 1276 states and 1743 transitions. [2023-11-29 06:54:24,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 39 states have internal predecessors, (98), 2 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 06:54:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1743 transitions. [2023-11-29 06:54:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 06:54:24,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:24,522 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 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] [2023-11-29 06:54:24,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 06:54:24,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2023-11-29 06:54:24,723 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:54:24,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:24,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1896631782, now seen corresponding path program 1 times [2023-11-29 06:54:24,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:24,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249429784] [2023-11-29 06:54:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:24,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:54:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:54:25,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:25,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249429784] [2023-11-29 06:54:25,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249429784] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:54:25,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902627189] [2023-11-29 06:54:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:25,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:54:25,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:25,140 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:54:25,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 06:54:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:25,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:54:25,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:54:25,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:54:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 06:54:26,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902627189] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:54:26,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:54:26,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2023-11-29 06:54:26,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123105582] [2023-11-29 06:54:26,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:54:26,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 06:54:26,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:26,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 06:54:26,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:54:26,195 INFO L87 Difference]: Start difference. First operand 1276 states and 1743 transitions. Second operand has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:54:28,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:28,555 INFO L93 Difference]: Finished difference Result 12615 states and 19157 transitions. [2023-11-29 06:54:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:54:28,555 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 138 [2023-11-29 06:54:28,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:28,598 INFO L225 Difference]: With dead ends: 12615 [2023-11-29 06:54:28,599 INFO L226 Difference]: Without dead ends: 12614 [2023-11-29 06:54:28,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:54:28,601 INFO L413 NwaCegarLoop]: 922 mSDtfsCounter, 12561 mSDsluCounter, 12208 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12737 SdHoareTripleChecker+Valid, 13130 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:28,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12737 Valid, 13130 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 06:54:28,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12614 states. [2023-11-29 06:54:28,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12614 to 1372. [2023-11-29 06:54:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1249 states have (on average 1.4163330664531626) internal successors, (1769), 1311 states have internal predecessors, (1769), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:54:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1863 transitions. [2023-11-29 06:54:28,754 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1863 transitions. Word has length 138 [2023-11-29 06:54:28,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:28,754 INFO L495 AbstractCegarLoop]: Abstraction has 1372 states and 1863 transitions. [2023-11-29 06:54:28,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:54:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1863 transitions. [2023-11-29 06:54:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 06:54:28,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:28,756 INFO L195 NwaCegarLoop]: trace histogram [22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:54:28,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 06:54:28,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2023-11-29 06:54:28,956 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:54:28,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:28,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1806013403, now seen corresponding path program 4 times [2023-11-29 06:54:28,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:28,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439942455] [2023-11-29 06:54:28,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:28,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:54:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:54:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:54:30,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:30,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439942455] [2023-11-29 06:54:30,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439942455] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:54:30,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877378568] [2023-11-29 06:54:30,877 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 06:54:30,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:54:30,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:30,878 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:54:30,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 06:54:42,707 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 06:54:42,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:54:42,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-29 06:54:42,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:54:43,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:54:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:54:45,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877378568] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:54:45,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:54:45,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 26] total 74 [2023-11-29 06:54:45,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757360890] [2023-11-29 06:54:45,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:54:45,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-11-29 06:54:45,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:45,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-11-29 06:54:45,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1293, Invalid=4109, Unknown=0, NotChecked=0, Total=5402 [2023-11-29 06:54:45,601 INFO L87 Difference]: Start difference. First operand 1372 states and 1863 transitions. Second operand has 74 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 73 states have internal predecessors, (130), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:58:35,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:58:35,327 INFO L93 Difference]: Finished difference Result 2308 states and 3250 transitions. [2023-11-29 06:58:35,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-11-29 06:58:35,327 INFO L78 Accepts]: Start accepts. Automaton has has 74 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 73 states have internal predecessors, (130), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 146 [2023-11-29 06:58:35,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:58:35,330 INFO L225 Difference]: With dead ends: 2308 [2023-11-29 06:58:35,330 INFO L226 Difference]: Without dead ends: 1396 [2023-11-29 06:58:35,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 221.9s TimeCoverageRelationStatistics Valid=3049, Invalid=6652, Unknown=1, NotChecked=0, Total=9702 [2023-11-29 06:58:35,335 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 415 mSDsluCounter, 13300 mSDsCounter, 0 mSdLazyCounter, 12612 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 13831 SdHoareTripleChecker+Invalid, 12632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 12612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:58:35,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 13831 Invalid, 12632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 12612 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-11-29 06:58:35,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2023-11-29 06:58:35,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1396. [2023-11-29 06:58:35,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1273 states have (on average 1.408483896307934) internal successors, (1793), 1335 states have internal predecessors, (1793), 51 states have call successors, (51), 18 states have call predecessors, (51), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 06:58:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1887 transitions. [2023-11-29 06:58:35,441 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1887 transitions. Word has length 146 [2023-11-29 06:58:35,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:58:35,441 INFO L495 AbstractCegarLoop]: Abstraction has 1396 states and 1887 transitions. [2023-11-29 06:58:35,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 73 states have internal predecessors, (130), 1 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:58:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1887 transitions. [2023-11-29 06:58:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 06:58:35,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:35,443 INFO L195 NwaCegarLoop]: trace histogram [46, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:58:35,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 06:58:35,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-11-29 06:58:35,643 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting getopt32Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [getopt32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, getopt32Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-11-29 06:58:35,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:35,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1948242469, now seen corresponding path program 5 times [2023-11-29 06:58:35,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:58:35,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129300692] [2023-11-29 06:58:35,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:35,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:58:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:58:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:37,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 06:58:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 06:58:40,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:58:40,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129300692] [2023-11-29 06:58:40,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129300692] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:58:40,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514254545] [2023-11-29 06:58:40,949 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 06:58:40,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:58:40,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:58:40,950 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:58:40,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344a9da-d522-40a0-89cd-5811dc7cf769/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process