/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-05ce600
[2022-02-23 23:00:02,010 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-23 23:00:02,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-23 23:00:02,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-23 23:00:02,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-23 23:00:02,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-23 23:00:02,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-23 23:00:02,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-23 23:00:02,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-23 23:00:02,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-23 23:00:02,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-23 23:00:02,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-23 23:00:02,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-23 23:00:02,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-23 23:00:02,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-23 23:00:02,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-23 23:00:02,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-23 23:00:02,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-23 23:00:02,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-23 23:00:02,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-23 23:00:02,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-23 23:00:02,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-23 23:00:02,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-23 23:00:02,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-23 23:00:02,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-23 23:00:02,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-23 23:00:02,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-23 23:00:02,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-23 23:00:02,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-23 23:00:02,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-23 23:00:02,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-23 23:00:02,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-23 23:00:02,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-23 23:00:02,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-23 23:00:02,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-23 23:00:02,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-23 23:00:02,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-23 23:00:02,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-23 23:00:02,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-23 23:00:02,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-23 23:00:02,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-23 23:00:02,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf
[2022-02-23 23:00:02,117 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-23 23:00:02,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-23 23:00:02,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-23 23:00:02,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-23 23:00:02,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-23 23:00:02,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-23 23:00:02,118 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-23 23:00:02,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-23 23:00:02,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-23 23:00:02,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-23 23:00:02,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-23 23:00:02,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-23 23:00:02,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-23 23:00:02,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-23 23:00:02,119 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-23 23:00:02,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-23 23:00:02,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-23 23:00:02,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-23 23:00:02,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-23 23:00:02,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-23 23:00:02,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-23 23:00:02,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-23 23:00:02,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-23 23:00:02,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-23 23:00:02,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-23 23:00:02,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-23 23:00:02,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2022-02-23 23:00:02,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-02-23 23:00:02,121 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-02-23 23:00:02,121 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-02-23 23:00:02,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-23 23:00:02,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-23 23:00:02,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-23 23:00:02,287 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-23 23:00:02,290 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-23 23:00:02,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c
[2022-02-23 23:00:02,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d132f8f65/abc92791387e4da9a0431d5d9c0c0864/FLAGc1fd5fd9d
[2022-02-23 23:00:02,689 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-23 23:00:02,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c
[2022-02-23 23:00:02,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d132f8f65/abc92791387e4da9a0431d5d9c0c0864/FLAGc1fd5fd9d
[2022-02-23 23:00:02,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d132f8f65/abc92791387e4da9a0431d5d9c0c0864
[2022-02-23 23:00:02,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-23 23:00:02,714 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-23 23:00:02,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-23 23:00:02,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-23 23:00:02,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-23 23:00:02,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31fc294d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02, skipping insertion in model container
[2022-02-23 23:00:02,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-23 23:00:02,740 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-23 23:00:02,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c[525,538]
[2022-02-23 23:00:02,894 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-23 23:00:02,899 INFO L203 MainTranslator]: Completed pre-run
[2022-02-23 23:00:02,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c[525,538]
[2022-02-23 23:00:02,910 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-23 23:00:02,918 INFO L208 MainTranslator]: Completed translation
[2022-02-23 23:00:02,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02 WrapperNode
[2022-02-23 23:00:02,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-23 23:00:02,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-23 23:00:02,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-23 23:00:02,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-23 23:00:02,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-23 23:00:02,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-23 23:00:02,937 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-23 23:00:02,937 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-23 23:00:02,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02" (1/1) ...
[2022-02-23 23:00:02,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-23 23:00:02,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-23 23:00:02,965 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)
[2022-02-23 23:00:02,972 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
[2022-02-23 23:00:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-02-23 23:00:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-23 23:00:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2022-02-23 23:00:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2022-02-23 23:00:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-02-23 23:00:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2022-02-23 23:00:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2022-02-23 23:00:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-02-23 23:00:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2022-02-23 23:00:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-23 23:00:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2022-02-23 23:00:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2022-02-23 23:00:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-02-23 23:00:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2022-02-23 23:00:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-02-23 23:00:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-23 23:00:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-23 23:00:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-23 23:00:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-23 23:00:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-23 23:00:03,055 INFO L234 CfgBuilder]: Building ICFG
[2022-02-23 23:00:03,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-23 23:00:03,132 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-23 23:00:03,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-23 23:00:03,137 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2022-02-23 23:00:03,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:00:03 BoogieIcfgContainer
[2022-02-23 23:00:03,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-23 23:00:03,138 INFO L113 PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-02-23 23:00:03,139 INFO L271 PluginConnector]: Initializing IcfgTransformer...
[2022-02-23 23:00:03,139 INFO L275 PluginConnector]: IcfgTransformer initialized
[2022-02-23 23:00:03,141 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:00:03" (1/1) ...
[2022-02-23 23:00:03,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 11:00:03 BasicIcfg
[2022-02-23 23:00:03,155 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-02-23 23:00:03,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-23 23:00:03,156 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-23 23:00:03,158 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-23 23:00:03,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:00:02" (1/4) ...
[2022-02-23 23:00:03,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128060b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:00:03, skipping insertion in model container
[2022-02-23 23:00:03,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:00:02" (2/4) ...
[2022-02-23 23:00:03,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128060b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:00:03, skipping insertion in model container
[2022-02-23 23:00:03,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:00:03" (3/4) ...
[2022-02-23 23:00:03,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128060b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:00:03, skipping insertion in model container
[2022-02-23 23:00:03,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 11:00:03" (4/4) ...
[2022-02-23 23:00:03,160 INFO L111 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound100.cqvasr
[2022-02-23 23:00:03,163 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-23 23:00:03,164 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-23 23:00:03,204 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-23 23:00:03,213 INFO L339 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2022-02-23 23:00:03,213 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-02-23 23:00:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2022-02-23 23:00:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-02-23 23:00:03,235 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-23 23:00:03,235 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-23 23:00:03,235 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-23 23:00:03,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-23 23:00:03,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1338008438, now seen corresponding path program 1 times
[2022-02-23 23:00:03,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-23 23:00:03,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562973250]
[2022-02-23 23:00:03,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 23:00:03,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-23 23:00:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 23:00:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-23 23:00:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 23:00:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2022-02-23 23:00:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 23:00:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2022-02-23 23:00:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 23:00:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2022-02-23 23:00:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 23:00:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-02-23 23:00:03,453 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-23 23:00:03,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562973250]
[2022-02-23 23:00:03,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562973250] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-23 23:00:03,454 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-23 23:00:03,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-23 23:00:03,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671952142]
[2022-02-23 23:00:03,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-23 23:00:03,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-23 23:00:03,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-23 23:00:03,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-23 23:00:03,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-23 23:00:03,485 INFO L87 Difference]: Start difference. First operand has 31 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2022-02-23 23:00:03,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-23 23:00:03,535 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions.
[2022-02-23 23:00:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-23 23:00:03,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29
[2022-02-23 23:00:03,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-23 23:00:03,543 INFO L225 Difference]: With dead ends: 55
[2022-02-23 23:00:03,544 INFO L226 Difference]: Without dead ends: 26
[2022-02-23 23:00:03,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-23 23:00:03,548 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 17 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-23 23:00:03,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 32 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-23 23:00:03,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2022-02-23 23:00:03,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2022-02-23 23:00:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2022-02-23 23:00:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions.
[2022-02-23 23:00:03,576 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 29
[2022-02-23 23:00:03,576 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-23 23:00:03,576 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions.
[2022-02-23 23:00:03,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2022-02-23 23:00:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions.
[2022-02-23 23:00:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-02-23 23:00:03,577 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-23 23:00:03,578 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-23 23:00:03,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-23 23:00:03,578 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-23 23:00:03,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-23 23:00:03,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1251333530, now seen corresponding path program 1 times
[2022-02-23 23:00:03,579 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-23 23:00:03,579 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145622617]
[2022-02-23 23:00:03,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 23:00:03,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-23 23:00:03,595 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2022-02-23 23:00:03,595 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [486771483]
[2022-02-23 23:00:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 23:00:03,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-23 23:00:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-23 23:00:03,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-23 23:00:03,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-02-23 23:00:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 23:00:03,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjunts are in the unsatisfiable core
[2022-02-23 23:00:03,657 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-23 23:00:03,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-02-23 23:00:03,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-02-23 23:00:03,818 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-23 23:00:03,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145622617]
[2022-02-23 23:00:03,819 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2022-02-23 23:00:03,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486771483]
[2022-02-23 23:00:03,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486771483] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-23 23:00:03,820 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-23 23:00:03,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-23 23:00:03,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102895195]
[2022-02-23 23:00:03,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-23 23:00:03,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-23 23:00:03,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-23 23:00:03,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-23 23:00:03,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-23 23:00:03,822 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2022-02-23 23:00:03,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-23 23:00:03,852 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions.
[2022-02-23 23:00:03,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-23 23:00:03,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29
[2022-02-23 23:00:03,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-23 23:00:03,854 INFO L225 Difference]: With dead ends: 36
[2022-02-23 23:00:03,854 INFO L226 Difference]: Without dead ends: 33
[2022-02-23 23:00:03,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-02-23 23:00:03,856 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-23 23:00:03,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 99 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-23 23:00:03,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2022-02-23 23:00:03,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2022-02-23 23:00:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2022-02-23 23:00:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions.
[2022-02-23 23:00:03,868 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 29
[2022-02-23 23:00:03,869 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-23 23:00:03,869 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions.
[2022-02-23 23:00:03,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2022-02-23 23:00:03,869 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions.
[2022-02-23 23:00:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2022-02-23 23:00:03,870 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-23 23:00:03,870 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-23 23:00:03,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-02-23 23:00:04,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-23 23:00:04,088 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-23 23:00:04,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-23 23:00:04,089 INFO L85 PathProgramCache]: Analyzing trace with hash -284720885, now seen corresponding path program 1 times
[2022-02-23 23:00:04,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-23 23:00:04,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6956655]
[2022-02-23 23:00:04,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 23:00:04,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-23 23:00:04,103 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2022-02-23 23:00:04,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1874413885]
[2022-02-23 23:00:04,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 23:00:04,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-23 23:00:04,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-23 23:00:04,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-23 23:00:04,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-23 23:00:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 23:00:04,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 22 conjunts are in the unsatisfiable core
[2022-02-23 23:00:04,181 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-23 23:00:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-02-23 23:00:04,336 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-23 23:00:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-02-23 23:00:04,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-23 23:00:04,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6956655]
[2022-02-23 23:00:04,625 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2022-02-23 23:00:04,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874413885]
[2022-02-23 23:00:04,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874413885] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-23 23:00:04,626 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-02-23 23:00:04,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11
[2022-02-23 23:00:04,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271250045]
[2022-02-23 23:00:04,626 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-02-23 23:00:04,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-02-23 23:00:04,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-23 23:00:04,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-02-23 23:00:04,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2022-02-23 23:00:04,628 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 9 states have internal predecessors, (24), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6)
[2022-02-23 23:00:04,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-23 23:00:04,920 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions.
[2022-02-23 23:00:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-23 23:00:04,921 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 9 states have internal predecessors, (24), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36
[2022-02-23 23:00:04,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-23 23:00:04,921 INFO L225 Difference]: With dead ends: 37
[2022-02-23 23:00:04,921 INFO L226 Difference]: Without dead ends: 0
[2022-02-23 23:00:04,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2022-02-23 23:00:04,922 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 15 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-02-23 23:00:04,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 114 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-02-23 23:00:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-23 23:00:04,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-23 23:00:04,923 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)
[2022-02-23 23:00:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-23 23:00:04,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36
[2022-02-23 23:00:04,924 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-23 23:00:04,924 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-23 23:00:04,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 9 states have internal predecessors, (24), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6)
[2022-02-23 23:00:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-23 23:00:04,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-23 23:00:04,926 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-02-23 23:00:04,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2022-02-23 23:00:05,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2022-02-23 23:00:05,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-02-23 23:00:05,262 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|))
[2022-02-23 23:00:05,262 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2022-02-23 23:00:05,262 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2022-02-23 23:00:05,262 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2022-02-23 23:00:05,262 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true
[2022-02-23 23:00:05,262 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-02-23 23:00:05,262 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-02-23 23:00:05,262 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 11 13) the Hoare annotation is: true
[2022-02-23 23:00:05,262 INFO L858 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed.
[2022-02-23 23:00:05,262 INFO L858 garLoopResultBuilder]: For program point L12-2(lines 11 13) no Hoare annotation was computed.
[2022-02-23 23:00:05,262 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 11 13) no Hoare annotation was computed.
[2022-02-23 23:00:05,263 INFO L861 garLoopResultBuilder]: At program point mainENTRY(lines 21 48) the Hoare annotation is: true
[2022-02-23 23:00:05,263 INFO L861 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: true
[2022-02-23 23:00:05,263 INFO L858 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed.
[2022-02-23 23:00:05,263 INFO L861 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: true
[2022-02-23 23:00:05,263 INFO L858 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed.
[2022-02-23 23:00:05,263 INFO L861 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: true
[2022-02-23 23:00:05,263 INFO L858 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed.
[2022-02-23 23:00:05,263 INFO L854 garLoopResultBuilder]: At program point L36-2(lines 36 45) the Hoare annotation is: (= (+ (* main_~y~0 main_~az~0) main_~x~0) (+ (* main_~z~0 main_~x~0) main_~a~0))
[2022-02-23 23:00:05,263 INFO L854 garLoopResultBuilder]: At program point L36-3(lines 36 45) the Hoare annotation is: (= (+ (* main_~y~0 main_~az~0) main_~x~0) (+ (* main_~z~0 main_~x~0) main_~a~0))
[2022-02-23 23:00:05,263 INFO L854 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (= (+ (* main_~y~0 main_~az~0) main_~x~0) (+ (* main_~z~0 main_~x~0) main_~a~0))
[2022-02-23 23:00:05,263 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed.
[2022-02-23 23:00:05,263 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 36 45) no Hoare annotation was computed.
[2022-02-23 23:00:05,263 INFO L858 garLoopResultBuilder]: For program point mainFINAL(lines 21 48) no Hoare annotation was computed.
[2022-02-23 23:00:05,264 INFO L858 garLoopResultBuilder]: For program point mainEXIT(lines 21 48) no Hoare annotation was computed.
[2022-02-23 23:00:05,264 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 14 20) the Hoare annotation is: true
[2022-02-23 23:00:05,264 INFO L858 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed.
[2022-02-23 23:00:05,264 INFO L858 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed.
[2022-02-23 23:00:05,264 INFO L858 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed.
[2022-02-23 23:00:05,264 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed.
[2022-02-23 23:00:05,264 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed.
[2022-02-23 23:00:05,266 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2022-02-23 23:00:05,267 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-23 23:00:05,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:00:05 BasicIcfg
[2022-02-23 23:00:05,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-23 23:00:05,276 INFO L158 Benchmark]: Toolchain (without parser) took 2561.32ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 147.6MB in the beginning and 161.4MB in the end (delta: -13.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB.
[2022-02-23 23:00:05,276 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 164.1MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-23 23:00:05,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.81ms. Allocated memory is still 198.2MB. Free memory was 147.3MB in the beginning and 173.7MB in the end (delta: -26.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-23 23:00:05,276 INFO L158 Benchmark]: Boogie Preprocessor took 17.88ms. Allocated memory is still 198.2MB. Free memory was 173.7MB in the beginning and 172.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-23 23:00:05,276 INFO L158 Benchmark]: RCFGBuilder took 200.71ms. Allocated memory is still 198.2MB. Free memory was 172.4MB in the beginning and 162.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-02-23 23:00:05,277 INFO L158 Benchmark]: IcfgTransformer took 16.76ms. Allocated memory is still 198.2MB. Free memory was 162.2MB in the beginning and 160.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-23 23:00:05,277 INFO L158 Benchmark]: TraceAbstraction took 2118.88ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 160.5MB in the beginning and 161.4MB in the end (delta: -899.1kB). Peak memory consumption was 39.9MB. Max. memory is 8.0GB.
[2022-02-23 23:00:05,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 164.1MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 201.81ms. Allocated memory is still 198.2MB. Free memory was 147.3MB in the beginning and 173.7MB in the end (delta: -26.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 17.88ms. Allocated memory is still 198.2MB. Free memory was 173.7MB in the beginning and 172.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 200.71ms. Allocated memory is still 198.2MB. Free memory was 172.4MB in the beginning and 162.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* IcfgTransformer took 16.76ms. Allocated memory is still 198.2MB. Free memory was 162.2MB in the beginning and 160.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* TraceAbstraction took 2118.88ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 160.5MB in the beginning and 161.4MB in the end (delta: -899.1kB). Peak memory consumption was 39.9MB. 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: 17]: 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 5 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 165 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 80 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 23 PreInvPairs, 34 NumberOfFragments, 48 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 87 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 3 NumberOfNonLiveVariables, 209 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 52/56 InterpolantCoveringCapability, 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: 36]: Loop Invariant
Derived loop invariant: y * az + x == z * x + a
RESULT: Ultimate proved your program to be correct!
[2022-02-23 23:00:05,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...