/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-05ce600
[2022-02-24 02:47:01,814 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-24 02:47:01,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-24 02:47:01,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-24 02:47:01,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-24 02:47:01,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-24 02:47:01,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-24 02:47:01,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-24 02:47:01,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-24 02:47:01,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-24 02:47:01,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-24 02:47:01,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-24 02:47:01,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-24 02:47:01,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-24 02:47:01,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-24 02:47:01,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-24 02:47:01,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-24 02:47:01,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-24 02:47:01,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-24 02:47:01,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-24 02:47:01,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-24 02:47:01,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-24 02:47:01,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-24 02:47:01,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-24 02:47:01,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-24 02:47:01,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-24 02:47:01,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-24 02:47:01,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-24 02:47:01,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-24 02:47:01,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-24 02:47:01,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-24 02:47:01,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-24 02:47:01,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-24 02:47:01,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-24 02:47:01,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-24 02:47:01,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-24 02:47:01,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-24 02:47:01,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-24 02:47:01,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-24 02:47:01,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-24 02:47:01,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-24 02:47:01,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf
[2022-02-24 02:47:01,934 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-24 02:47:01,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-24 02:47:01,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-24 02:47:01,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-24 02:47:01,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-24 02:47:01,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-24 02:47:01,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-24 02:47:01,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-24 02:47:01,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-24 02:47:01,936 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-24 02:47:01,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-24 02:47:01,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-24 02:47:01,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-24 02:47:01,937 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-24 02:47:01,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-24 02:47:01,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-24 02:47:01,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-24 02:47:01,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2022-02-24 02:47:01,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-24 02:47:01,938 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR
[2022-02-24 02:47:01,938 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-02-24 02:47:02,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-24 02:47:02,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-24 02:47:02,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-24 02:47:02,155 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-24 02:47:02,157 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-24 02:47:02,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i
[2022-02-24 02:47:02,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ce59f26/a4883b338cc5456caa9cccf9b66b827d/FLAGafedbf9aa
[2022-02-24 02:47:02,678 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-24 02:47:02,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i
[2022-02-24 02:47:02,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ce59f26/a4883b338cc5456caa9cccf9b66b827d/FLAGafedbf9aa
[2022-02-24 02:47:02,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ce59f26/a4883b338cc5456caa9cccf9b66b827d
[2022-02-24 02:47:02,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-24 02:47:02,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-24 02:47:02,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-24 02:47:02,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-24 02:47:02,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-24 02:47:02,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 02:47:02" (1/1) ...
[2022-02-24 02:47:02,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de160a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:02, skipping insertion in model container
[2022-02-24 02:47:02,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 02:47:02" (1/1) ...
[2022-02-24 02:47:02,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-24 02:47:02,743 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-24 02:47:02,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891]
[2022-02-24 02:47:03,016 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-24 02:47:03,025 INFO L203 MainTranslator]: Completed pre-run
[2022-02-24 02:47:03,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891]
[2022-02-24 02:47:03,068 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-24 02:47:03,087 INFO L208 MainTranslator]: Completed translation
[2022-02-24 02:47:03,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03 WrapperNode
[2022-02-24 02:47:03,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-24 02:47:03,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-24 02:47:03,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-24 02:47:03,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-24 02:47:03,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03" (1/1) ...
[2022-02-24 02:47:03,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03" (1/1) ...
[2022-02-24 02:47:03,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03" (1/1) ...
[2022-02-24 02:47:03,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03" (1/1) ...
[2022-02-24 02:47:03,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03" (1/1) ...
[2022-02-24 02:47:03,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03" (1/1) ...
[2022-02-24 02:47:03,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03" (1/1) ...
[2022-02-24 02:47:03,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-24 02:47:03,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-24 02:47:03,145 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-24 02:47:03,146 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-24 02:47:03,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03" (1/1) ...
[2022-02-24 02:47:03,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-24 02:47:03,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-24 02:47:03,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-24 02:47:03,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-24 02:47:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-02-24 02:47:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-24 02:47:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2022-02-24 02:47:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-02-24 02:47:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy
[2022-02-24 02:47:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list
[2022-02-24 02:47:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2022-02-24 02:47:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2022-02-24 02:47:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-02-24 02:47:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2022-02-24 02:47:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2022-02-24 02:47:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2022-02-24 02:47:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-24 02:47:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2022-02-24 02:47:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-02-24 02:47:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure strchr
[2022-02-24 02:47:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr
[2022-02-24 02:47:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure strstr
[2022-02-24 02:47:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy
[2022-02-24 02:47:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr
[2022-02-24 02:47:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy
[2022-02-24 02:47:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure strlen
[2022-02-24 02:47:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp
[2022-02-24 02:47:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp
[2022-02-24 02:47:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure strcat
[2022-02-24 02:47:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy
[2022-02-24 02:47:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure isascii
[2022-02-24 02:47:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure isspace
[2022-02-24 02:47:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure getc
[2022-02-24 02:47:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure strrand
[2022-02-24 02:47:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand
[2022-02-24 02:47:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr
[2022-02-24 02:47:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr
[2022-02-24 02:47:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp
[2022-02-24 02:47:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr
[2022-02-24 02:47:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy
[2022-02-24 02:47:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy
[2022-02-24 02:47:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat
[2022-02-24 02:47:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat
[2022-02-24 02:47:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy
[2022-02-24 02:47:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list
[2022-02-24 02:47:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-24 02:47:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-24 02:47:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-24 02:47:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-24 02:47:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2022-02-24 02:47:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-02-24 02:47:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-24 02:47:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-24 02:47:03,375 INFO L234 CfgBuilder]: Building ICFG
[2022-02-24 02:47:03,376 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-24 02:47:03,589 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-24 02:47:03,594 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-24 02:47:03,594 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2022-02-24 02:47:03,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 02:47:03 BoogieIcfgContainer
[2022-02-24 02:47:03,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-24 02:47:03,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-24 02:47:03,598 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-24 02:47:03,607 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-24 02:47:03,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 02:47:02" (1/3) ...
[2022-02-24 02:47:03,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d55f7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 02:47:03, skipping insertion in model container
[2022-02-24 02:47:03,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:47:03" (2/3) ...
[2022-02-24 02:47:03,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d55f7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 02:47:03, skipping insertion in model container
[2022-02-24 02:47:03,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 02:47:03" (3/3) ...
[2022-02-24 02:47:03,609 INFO L111 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i
[2022-02-24 02:47:03,614 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2022-02-24 02:47:03,614 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-24 02:47:03,662 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-24 02:47:03,669 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=QVASR
[2022-02-24 02:47:03,669 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-02-24 02:47:03,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 44 states have internal predecessors, (63), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2022-02-24 02:47:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2022-02-24 02:47:03,698 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-24 02:47:03,698 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-24 02:47:03,699 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-24 02:47:03,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-24 02:47:03,704 INFO L85 PathProgramCache]: Analyzing trace with hash -541205821, now seen corresponding path program 1 times
[2022-02-24 02:47:03,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-24 02:47:03,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978238123]
[2022-02-24 02:47:03,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-24 02:47:03,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-24 02:47:03,779 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-02-24 02:47:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-24 02:47:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2022-02-24 02:47:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-24 02:47:03,950 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-24 02:47:03,950 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978238123]
[2022-02-24 02:47:03,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [978238123] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-24 02:47:03,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-24 02:47:03,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-24 02:47:03,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033351259]
[2022-02-24 02:47:03,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-24 02:47:03,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-24 02:47:03,959 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-24 02:47:03,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-24 02:47:03,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-24 02:47:03,990 INFO L87 Difference]: Start difference. First operand has 55 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 44 states have internal predecessors, (63), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:04,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-24 02:47:04,074 INFO L93 Difference]: Finished difference Result 102 states and 138 transitions.
[2022-02-24 02:47:04,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-24 02:47:04,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32
[2022-02-24 02:47:04,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-24 02:47:04,084 INFO L225 Difference]: With dead ends: 102
[2022-02-24 02:47:04,085 INFO L226 Difference]: Without dead ends: 47
[2022-02-24 02:47:04,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-24 02:47:04,092 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 55 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-24 02:47:04,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 68 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-24 02:47:04,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2022-02-24 02:47:04,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2022-02-24 02:47:04,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 5 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-02-24 02:47:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions.
[2022-02-24 02:47:04,136 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 32
[2022-02-24 02:47:04,136 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-24 02:47:04,136 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions.
[2022-02-24 02:47:04,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions.
[2022-02-24 02:47:04,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2022-02-24 02:47:04,139 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-24 02:47:04,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-24 02:47:04,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-24 02:47:04,141 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-24 02:47:04,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-24 02:47:04,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1555699344, now seen corresponding path program 1 times
[2022-02-24 02:47:04,142 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-24 02:47:04,142 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405125853]
[2022-02-24 02:47:04,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-24 02:47:04,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-24 02:47:04,153 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-02-24 02:47:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-24 02:47:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2022-02-24 02:47:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-24 02:47:04,279 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-24 02:47:04,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405125853]
[2022-02-24 02:47:04,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [405125853] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-24 02:47:04,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-24 02:47:04,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-02-24 02:47:04,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714561560]
[2022-02-24 02:47:04,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-24 02:47:04,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-02-24 02:47:04,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-24 02:47:04,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-02-24 02:47:04,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-02-24 02:47:04,286 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:04,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-24 02:47:04,433 INFO L93 Difference]: Finished difference Result 88 states and 108 transitions.
[2022-02-24 02:47:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-02-24 02:47:04,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36
[2022-02-24 02:47:04,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-24 02:47:04,437 INFO L225 Difference]: With dead ends: 88
[2022-02-24 02:47:04,437 INFO L226 Difference]: Without dead ends: 49
[2022-02-24 02:47:04,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-02-24 02:47:04,442 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 49 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-24 02:47:04,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 60 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-24 02:47:04,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2022-02-24 02:47:04,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48.
[2022-02-24 02:47:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 5 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-02-24 02:47:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions.
[2022-02-24 02:47:04,451 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 36
[2022-02-24 02:47:04,454 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-24 02:47:04,455 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions.
[2022-02-24 02:47:04,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions.
[2022-02-24 02:47:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2022-02-24 02:47:04,457 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-24 02:47:04,457 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-24 02:47:04,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-24 02:47:04,458 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-24 02:47:04,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-24 02:47:04,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1615735470, now seen corresponding path program 1 times
[2022-02-24 02:47:04,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-24 02:47:04,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260724700]
[2022-02-24 02:47:04,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-24 02:47:04,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-24 02:47:04,476 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays.
[2022-02-24 02:47:04,477 INFO L281 tedInterpolationCore]: Could not accelerate.
[2022-02-24 02:47:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-24 02:47:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:04,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2022-02-24 02:47:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-24 02:47:04,561 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-24 02:47:04,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260724700]
[2022-02-24 02:47:04,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1260724700] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-24 02:47:04,561 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-24 02:47:04,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-24 02:47:04,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21468020]
[2022-02-24 02:47:04,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-24 02:47:04,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-24 02:47:04,562 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-24 02:47:04,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-24 02:47:04,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-02-24 02:47:04,563 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:04,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-24 02:47:04,695 INFO L93 Difference]: Finished difference Result 90 states and 110 transitions.
[2022-02-24 02:47:04,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-24 02:47:04,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38
[2022-02-24 02:47:04,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-24 02:47:04,697 INFO L225 Difference]: With dead ends: 90
[2022-02-24 02:47:04,697 INFO L226 Difference]: Without dead ends: 51
[2022-02-24 02:47:04,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2022-02-24 02:47:04,699 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 51 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-24 02:47:04,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 65 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-24 02:47:04,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2022-02-24 02:47:04,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50.
[2022-02-24 02:47:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 41 states have internal predecessors, (52), 5 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-02-24 02:47:04,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions.
[2022-02-24 02:47:04,707 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 38
[2022-02-24 02:47:04,708 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-24 02:47:04,708 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions.
[2022-02-24 02:47:04,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions.
[2022-02-24 02:47:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2022-02-24 02:47:04,709 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-24 02:47:04,710 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-24 02:47:04,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-24 02:47:04,710 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-24 02:47:04,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-24 02:47:04,711 INFO L85 PathProgramCache]: Analyzing trace with hash 819089588, now seen corresponding path program 2 times
[2022-02-24 02:47:04,711 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-24 02:47:04,711 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330029090]
[2022-02-24 02:47:04,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-24 02:47:04,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-24 02:47:04,715 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays.
[2022-02-24 02:47:04,716 INFO L281 tedInterpolationCore]: Could not accelerate.
[2022-02-24 02:47:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:04,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-24 02:47:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:04,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2022-02-24 02:47:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-24 02:47:04,792 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-24 02:47:04,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330029090]
[2022-02-24 02:47:04,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1330029090] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-24 02:47:04,792 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-24 02:47:04,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-02-24 02:47:04,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873529872]
[2022-02-24 02:47:04,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-24 02:47:04,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-02-24 02:47:04,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-24 02:47:04,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-02-24 02:47:04,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-02-24 02:47:04,794 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:04,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-24 02:47:04,884 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions.
[2022-02-24 02:47:04,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-02-24 02:47:04,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40
[2022-02-24 02:47:04,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-24 02:47:04,886 INFO L225 Difference]: With dead ends: 86
[2022-02-24 02:47:04,887 INFO L226 Difference]: Without dead ends: 51
[2022-02-24 02:47:04,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-02-24 02:47:04,896 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 47 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-24 02:47:04,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 61 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-24 02:47:04,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2022-02-24 02:47:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2022-02-24 02:47:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 5 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-02-24 02:47:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions.
[2022-02-24 02:47:04,910 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 40
[2022-02-24 02:47:04,910 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-24 02:47:04,910 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions.
[2022-02-24 02:47:04,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:04,911 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions.
[2022-02-24 02:47:04,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2022-02-24 02:47:04,911 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-24 02:47:04,911 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-24 02:47:04,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-24 02:47:04,912 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-24 02:47:04,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-24 02:47:04,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1077255026, now seen corresponding path program 1 times
[2022-02-24 02:47:04,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-24 02:47:04,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985339659]
[2022-02-24 02:47:04,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-24 02:47:04,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-24 02:47:04,920 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays.
[2022-02-24 02:47:04,921 INFO L281 tedInterpolationCore]: Could not accelerate.
[2022-02-24 02:47:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-24 02:47:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2022-02-24 02:47:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 02:47:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-24 02:47:05,022 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-24 02:47:05,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985339659]
[2022-02-24 02:47:05,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1985339659] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-24 02:47:05,023 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-24 02:47:05,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-24 02:47:05,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435812610]
[2022-02-24 02:47:05,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-24 02:47:05,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-24 02:47:05,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-24 02:47:05,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-24 02:47:05,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-24 02:47:05,024 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:05,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-24 02:47:05,181 INFO L93 Difference]: Finished difference Result 62 states and 76 transitions.
[2022-02-24 02:47:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-24 02:47:05,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40
[2022-02-24 02:47:05,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-24 02:47:05,182 INFO L225 Difference]: With dead ends: 62
[2022-02-24 02:47:05,182 INFO L226 Difference]: Without dead ends: 0
[2022-02-24 02:47:05,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2022-02-24 02:47:05,183 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 77 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-24 02:47:05,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 62 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-24 02:47:05,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-24 02:47:05,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-24 02:47:05,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-24 02:47:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-24 02:47:05,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40
[2022-02-24 02:47:05,185 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-24 02:47:05,185 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-24 02:47:05,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-24 02:47:05,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-24 02:47:05,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-24 02:47:05,187 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-02-24 02:47:05,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-24 02:47:05,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-02-24 02:47:05,306 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed.
[2022-02-24 02:47:05,306 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed.
[2022-02-24 02:47:05,306 INFO L858 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed.
[2022-02-24 02:47:05,306 INFO L861 garLoopResultBuilder]: At program point r_strncpyFINAL(line 42) the Hoare annotation is: true
[2022-02-24 02:47:05,307 INFO L861 garLoopResultBuilder]: At program point r_strncpyEXIT(line 42) the Hoare annotation is: true
[2022-02-24 02:47:05,307 INFO L861 garLoopResultBuilder]: At program point r_strncpyENTRY(line 42) the Hoare annotation is: true
[2022-02-24 02:47:05,307 INFO L861 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: true
[2022-02-24 02:47:05,307 INFO L861 garLoopResultBuilder]: At program point mainENTRY(lines 87 96) the Hoare annotation is: true
[2022-02-24 02:47:05,308 INFO L861 garLoopResultBuilder]: At program point L94-1(line 94) the Hoare annotation is: true
[2022-02-24 02:47:05,308 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 87 96) the Hoare annotation is: true
[2022-02-24 02:47:05,308 INFO L861 garLoopResultBuilder]: At program point L90-2(lines 90 92) the Hoare annotation is: true
[2022-02-24 02:47:05,308 INFO L861 garLoopResultBuilder]: At program point L90-3(lines 90 92) the Hoare annotation is: true
[2022-02-24 02:47:05,308 INFO L861 garLoopResultBuilder]: At program point L90-4(lines 90 92) the Hoare annotation is: true
[2022-02-24 02:47:05,308 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 87 96) the Hoare annotation is: true
[2022-02-24 02:47:05,309 INFO L854 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (not (<= (+ parse_expression_list_~start~0 1) parse_expression_list_~j~0))
[2022-02-24 02:47:05,309 INFO L854 garLoopResultBuilder]: At program point L77-1(line 77) the Hoare annotation is: (not (<= (+ parse_expression_list_~start~0 1) parse_expression_list_~j~0))
[2022-02-24 02:47:05,309 INFO L861 garLoopResultBuilder]: At program point L73(lines 73 75) the Hoare annotation is: true
[2022-02-24 02:47:05,309 INFO L861 garLoopResultBuilder]: At program point L65(lines 65 83) the Hoare annotation is: true
[2022-02-24 02:47:05,309 INFO L861 garLoopResultBuilder]: At program point L70-1(line 70) the Hoare annotation is: true
[2022-02-24 02:47:05,309 INFO L861 garLoopResultBuilder]: At program point L70-2(line 70) the Hoare annotation is: true
[2022-02-24 02:47:05,309 INFO L861 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: true
[2022-02-24 02:47:05,309 INFO L861 garLoopResultBuilder]: At program point L70-4(line 70) the Hoare annotation is: true
[2022-02-24 02:47:05,309 INFO L861 garLoopResultBuilder]: At program point L70-6(line 70) the Hoare annotation is: true
[2022-02-24 02:47:05,310 INFO L861 garLoopResultBuilder]: At program point parse_expression_listFINAL(lines 58 86) the Hoare annotation is: true
[2022-02-24 02:47:05,310 INFO L854 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: (not (<= (+ parse_expression_list_~start~0 1) parse_expression_list_~j~0))
[2022-02-24 02:47:05,310 INFO L861 garLoopResultBuilder]: At program point L70-8(line 70) the Hoare annotation is: true
[2022-02-24 02:47:05,310 INFO L861 garLoopResultBuilder]: At program point L70-9(line 70) the Hoare annotation is: true
[2022-02-24 02:47:05,310 INFO L861 garLoopResultBuilder]: At program point parse_expression_listENTRY(lines 58 86) the Hoare annotation is: true
[2022-02-24 02:47:05,310 INFO L861 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: true
[2022-02-24 02:47:05,310 INFO L861 garLoopResultBuilder]: At program point L71-2(line 71) the Hoare annotation is: true
[2022-02-24 02:47:05,311 INFO L861 garLoopResultBuilder]: At program point L71-4(lines 65 83) the Hoare annotation is: true
[2022-02-24 02:47:05,311 INFO L861 garLoopResultBuilder]: At program point L67-1(line 67) the Hoare annotation is: true
[2022-02-24 02:47:05,311 INFO L861 garLoopResultBuilder]: At program point L67-3(line 67) the Hoare annotation is: true
[2022-02-24 02:47:05,311 INFO L861 garLoopResultBuilder]: At program point L67-5(line 67) the Hoare annotation is: true
[2022-02-24 02:47:05,311 INFO L861 garLoopResultBuilder]: At program point L63-1(lines 63 84) the Hoare annotation is: true
[2022-02-24 02:47:05,311 INFO L861 garLoopResultBuilder]: At program point L67-6(line 67) the Hoare annotation is: true
[2022-02-24 02:47:05,311 INFO L861 garLoopResultBuilder]: At program point L63-2(lines 63 84) the Hoare annotation is: true
[2022-02-24 02:47:05,311 INFO L861 garLoopResultBuilder]: At program point parse_expression_listEXIT(lines 58 86) the Hoare annotation is: true
[2022-02-24 02:47:05,311 INFO L861 garLoopResultBuilder]: At program point L63-4(lines 63 84) the Hoare annotation is: true
[2022-02-24 02:47:05,312 INFO L861 garLoopResultBuilder]: At program point L63-5(lines 63 84) the Hoare annotation is: true
[2022-02-24 02:47:05,312 INFO L854 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (not (<= (+ parse_expression_list_~start~0 1) parse_expression_list_~j~0))
[2022-02-24 02:47:05,312 INFO L854 garLoopResultBuilder]: At program point L76-1(line 76) the Hoare annotation is: (not (<= (+ parse_expression_list_~start~0 1) parse_expression_list_~j~0))
[2022-02-24 02:47:05,312 INFO L854 garLoopResultBuilder]: At program point L72(lines 72 81) the Hoare annotation is: (not (<= (+ parse_expression_list_~start~0 1) parse_expression_list_~j~0))
[2022-02-24 02:47:05,312 INFO L861 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: true
[2022-02-24 02:47:05,312 INFO L861 garLoopResultBuilder]: At program point L68-2(line 68) the Hoare annotation is: true
[2022-02-24 02:47:05,312 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2022-02-24 02:47:05,312 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))
[2022-02-24 02:47:05,313 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true
[2022-02-24 02:47:05,313 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true
[2022-02-24 02:47:05,313 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true
[2022-02-24 02:47:05,313 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2022-02-24 02:47:05,313 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true
[2022-02-24 02:47:05,313 INFO L854 garLoopResultBuilder]: At program point L16(line 16) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2022-02-24 02:47:05,313 INFO L854 garLoopResultBuilder]: At program point L15(lines 15 17) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-02-24 02:47:05,313 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 14 19) the Hoare annotation is: true
[2022-02-24 02:47:05,313 INFO L854 garLoopResultBuilder]: At program point L15-2(lines 14 19) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-02-24 02:47:05,314 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 14 19) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-02-24 02:47:05,314 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2022-02-24 02:47:05,317 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1]
[2022-02-24 02:47:05,319 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-24 02:47:05,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 02:47:05 BoogieIcfgContainer
[2022-02-24 02:47:05,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-24 02:47:05,331 INFO L158 Benchmark]: Toolchain (without parser) took 2625.08ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 124.5MB in the beginning and 115.5MB in the end (delta: 9.0MB). Peak memory consumption was 49.2MB. Max. memory is 8.0GB.
[2022-02-24 02:47:05,331 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 174.1MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-24 02:47:05,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.17ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 148.1MB in the end (delta: -23.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-02-24 02:47:05,332 INFO L158 Benchmark]: Boogie Preprocessor took 53.69ms. Allocated memory is still 174.1MB. Free memory was 148.1MB in the beginning and 146.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-24 02:47:05,332 INFO L158 Benchmark]: RCFGBuilder took 451.91ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 130.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
[2022-02-24 02:47:05,332 INFO L158 Benchmark]: TraceAbstraction took 1732.74ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 130.3MB in the beginning and 115.5MB in the end (delta: 14.8MB). Peak memory consumption was 55.0MB. Max. memory is 8.0GB.
[2022-02-24 02:47:05,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21ms. Allocated memory is still 174.1MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 380.17ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 148.1MB in the end (delta: -23.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 53.69ms. Allocated memory is still 174.1MB. Free memory was 148.1MB in the beginning and 146.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 451.91ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 130.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
* TraceAbstraction took 1732.74ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 130.3MB in the beginning and 115.5MB in the end (delta: 14.8MB). Peak memory consumption was 55.0MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 16]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 279 mSDsluCounter, 316 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 270 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 184 PreInvPairs, 243 NumberOfFragments, 116 HoareAnnotationTreeSize, 184 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 67]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 70]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 63]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 90]: Loop Invariant
Derived loop invariant: 1
- ProcedureContractResult [Line: 58]: Procedure Contract for parse_expression_list
Derived contract for procedure parse_expression_list: 1
- ProcedureContractResult [Line: 42]: Procedure Contract for r_strncpy
Derived contract for procedure r_strncpy: 1
- ProcedureContractResult [Line: 87]: Procedure Contract for main
Derived contract for procedure main: 1
- ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert
Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0)
RESULT: Ultimate proved your program to be correct!
[2022-02-24 02:47:05,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...