./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:43:27,045 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:43:27,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:43:27,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:43:27,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:43:27,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:43:27,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:43:27,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:43:27,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:43:27,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:43:27,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:43:27,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:43:27,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:43:27,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:43:27,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:43:27,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:43:27,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:43:27,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:43:27,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:43:27,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:43:27,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:43:27,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:43:27,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:43:27,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:43:27,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:43:27,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:43:27,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:43:27,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:43:27,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:43:27,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:43:27,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:43:27,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:43:27,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:43:27,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:43:27,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:43:27,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:43:27,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:43:27,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:43:27,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:43:27,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:43:27,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:43:27,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-11-13 18:43:27,271 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:43:27,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:43:27,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:43:27,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:43:27,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:43:27,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:43:27,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:43:27,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:43:27,283 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:43:27,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:43:27,285 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:43:27,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:43:27,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:43:27,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:43:27,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:43:27,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:43:27,287 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-11-13 18:43:27,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:43:27,287 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:43:27,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:43:27,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:43:27,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:43:27,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:43:27,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:43:27,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:43:27,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:43:27,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:43:27,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:43:27,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:43:27,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:43:27,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:43:27,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8
[2021-11-13 18:43:27,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:43:27,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:43:27,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:43:27,656 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:43:27,657 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:43:27,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/busybox-1.22.0/hostid.i
[2021-11-13 18:43:27,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/data/0ce9a94d1/a3659934cf9943fd935817dede791b19/FLAGf5a38c4ae
[2021-11-13 18:43:28,632 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:43:28,633 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/sv-benchmarks/c/busybox-1.22.0/hostid.i
[2021-11-13 18:43:28,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/data/0ce9a94d1/a3659934cf9943fd935817dede791b19/FLAGf5a38c4ae
[2021-11-13 18:43:28,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/data/0ce9a94d1/a3659934cf9943fd935817dede791b19
[2021-11-13 18:43:28,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:43:28,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:43:28,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:43:28,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:43:28,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:43:28,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:43:28" (1/1) ...
[2021-11-13 18:43:28,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec62dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:28, skipping insertion in model container
[2021-11-13 18:43:28,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:43:28" (1/1) ...
[2021-11-13 18:43:28,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:43:28,847 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:43:29,897 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:43:29,913 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:43:30,031 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:43:30,167 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:43:30,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30 WrapperNode
[2021-11-13 18:43:30,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:43:30,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:43:30,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:43:30,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:43:30,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:43:30,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:43:30,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:43:30,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:43:30,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:43:30,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:43:30,334 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:43:30,334 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:43:30,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (1/1) ...
[2021-11-13 18:43:30,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:43:30,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:30,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:43:30,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:43:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:43:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:43:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure fflush
[2021-11-13 18:43:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-13 18:43:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:43:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:43:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-11-13 18:43:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-11-13 18:43:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:43:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-13 18:43:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:43:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:43:31,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:43:31,168 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2021-11-13 18:43:31,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:43:31 BoogieIcfgContainer
[2021-11-13 18:43:31,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:43:31,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:43:31,174 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:43:31,178 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:43:31,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:43:28" (1/3) ...
[2021-11-13 18:43:31,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2d5d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:43:31, skipping insertion in model container
[2021-11-13 18:43:31,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:30" (2/3) ...
[2021-11-13 18:43:31,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2d5d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:43:31, skipping insertion in model container
[2021-11-13 18:43:31,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:43:31" (3/3) ...
[2021-11-13 18:43:31,183 INFO L111 eAbstractionObserver]: Analyzing ICFG hostid.i
[2021-11-13 18:43:31,190 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:43:31,190 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2021-11-13 18:43:31,254 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:43:31,262 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
[2021-11-13 18:43:31,263 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2021-11-13 18:43:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 32 states have (on average 1.6875) internal successors, (54), 44 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-11-13 18:43:31,291 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:31,291 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2021-11-13 18:43:31,292 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times
[2021-11-13 18:43:31,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:31,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441768233]
[2021-11-13 18:43:31,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:31,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:43:31,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:31,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441768233]
[2021-11-13 18:43:31,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441768233] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:31,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:43:31,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:43:31,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467388211]
[2021-11-13 18:43:31,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:31,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:43:31,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:31,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:43:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:31,822 INFO L87 Difference]: Start difference. First operand has 47 states, 32 states have (on average 1.6875) internal successors, (54), 44 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:43:31,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:31,896 INFO L93 Difference]: Finished difference Result 92 states and 111 transitions.
[2021-11-13 18:43:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:43:31,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2021-11-13 18:43:31,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:31,906 INFO L225 Difference]: With dead ends: 92
[2021-11-13 18:43:31,906 INFO L226 Difference]: Without dead ends: 46
[2021-11-13 18:43:31,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:31,914 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.31ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.84ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:31,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 92 Invalid, 11 Unknown, 0 Unchecked, 8.31ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 25.84ms Time]
[2021-11-13 18:43:31,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2021-11-13 18:43:31,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2021-11-13 18:43:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.5) internal successors, (48), 43 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions.
[2021-11-13 18:43:31,958 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 4
[2021-11-13 18:43:31,958 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:31,959 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions.
[2021-11-13 18:43:31,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:43:31,959 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions.
[2021-11-13 18:43:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-11-13 18:43:31,960 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:31,961 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1]
[2021-11-13 18:43:31,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:43:31,961 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:31,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:31,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1809705867, now seen corresponding path program 1 times
[2021-11-13 18:43:31,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:31,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089107005]
[2021-11-13 18:43:31,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:31,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-13 18:43:32,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:32,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089107005]
[2021-11-13 18:43:32,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089107005] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:32,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:43:32,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:43:32,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098514159]
[2021-11-13 18:43:32,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:32,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:43:32,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:32,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:43:32,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:32,096 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:43:32,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:32,128 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions.
[2021-11-13 18:43:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:43:32,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2021-11-13 18:43:32,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:32,130 INFO L225 Difference]: With dead ends: 46
[2021-11-13 18:43:32,131 INFO L226 Difference]: Without dead ends: 45
[2021-11-13 18:43:32,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:32,133 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.52ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.27ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:32,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 82 Invalid, 7 Unknown, 0 Unchecked, 1.52ms Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 21.27ms Time]
[2021-11-13 18:43:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2021-11-13 18:43:32,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2021-11-13 18:43:32,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.46875) internal successors, (47), 42 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:32,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions.
[2021-11-13 18:43:32,144 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 7
[2021-11-13 18:43:32,144 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:32,144 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions.
[2021-11-13 18:43:32,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:43:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions.
[2021-11-13 18:43:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2021-11-13 18:43:32,146 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:32,146 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1]
[2021-11-13 18:43:32,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:43:32,147 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:32,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:32,148 INFO L85 PathProgramCache]: Analyzing trace with hash 266307074, now seen corresponding path program 1 times
[2021-11-13 18:43:32,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:32,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829316519]
[2021-11-13 18:43:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:32,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:43:32,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:32,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829316519]
[2021-11-13 18:43:32,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829316519] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:32,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95505560]
[2021-11-13 18:43:32,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:32,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:32,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:32,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:32,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 18:43:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:32,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:43:32,546 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:43:32,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:43:32,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95505560] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:32,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:43:32,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2021-11-13 18:43:32,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318702985]
[2021-11-13 18:43:32,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:32,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:43:32,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:32,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:43:32,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:43:32,626 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:43:32,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:32,653 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions.
[2021-11-13 18:43:32,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:43:32,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2021-11-13 18:43:32,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:32,655 INFO L225 Difference]: With dead ends: 45
[2021-11-13 18:43:32,655 INFO L226 Difference]: Without dead ends: 44
[2021-11-13 18:43:32,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:43:32,658 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 35 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.41ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.97ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:32,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 51 Invalid, 11 Unknown, 0 Unchecked, 1.41ms Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 16.97ms Time]
[2021-11-13 18:43:32,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2021-11-13 18:43:32,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42.
[2021-11-13 18:43:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 39 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions.
[2021-11-13 18:43:32,668 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 8
[2021-11-13 18:43:32,668 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:32,669 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions.
[2021-11-13 18:43:32,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:43:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions.
[2021-11-13 18:43:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-13 18:43:32,670 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:32,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:32,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:32,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2021-11-13 18:43:32,887 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:32,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:32,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1124243910, now seen corresponding path program 1 times
[2021-11-13 18:43:32,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:32,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924745995]
[2021-11-13 18:43:32,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:32,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2021-11-13 18:43:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:43:33,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:33,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924745995]
[2021-11-13 18:43:33,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924745995] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:33,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067834902]
[2021-11-13 18:43:33,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:33,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:33,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:33,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:33,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-13 18:43:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:33,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:43:33,211 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:43:33,332 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:43:33,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:43:33,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067834902] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:43:33,414 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:43:33,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2021-11-13 18:43:33,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859944586]
[2021-11-13 18:43:33,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:43:33,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:43:33,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:33,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:43:33,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:43:33,419 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:43:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:33,493 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions.
[2021-11-13 18:43:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:43:33,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13
[2021-11-13 18:43:33,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:33,495 INFO L225 Difference]: With dead ends: 87
[2021-11-13 18:43:33,498 INFO L226 Difference]: Without dead ends: 51
[2021-11-13 18:43:33,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:43:33,502 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 12 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.18ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.17ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:33,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 82 Invalid, 22 Unknown, 0 Unchecked, 2.18ms Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 30.17ms Time]
[2021-11-13 18:43:33,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2021-11-13 18:43:33,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2021-11-13 18:43:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.358974358974359) internal successors, (53), 48 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions.
[2021-11-13 18:43:33,522 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 13
[2021-11-13 18:43:33,522 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:33,522 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions.
[2021-11-13 18:43:33,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:43:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions.
[2021-11-13 18:43:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-11-13 18:43:33,525 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:33,525 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:33,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:33,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:33,752 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:33,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:33,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1933933556, now seen corresponding path program 2 times
[2021-11-13 18:43:33,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:33,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996799921]
[2021-11-13 18:43:33,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:33,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2021-11-13 18:43:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:33,989 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:43:33,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:33,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996799921]
[2021-11-13 18:43:33,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996799921] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:33,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652213925]
[2021-11-13 18:43:33,990 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:43:33,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:33,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:33,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:33,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-13 18:43:34,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-11-13 18:43:34,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:43:34,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-13 18:43:34,113 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2021-11-13 18:43:34,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:43:34,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652213925] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:34,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:43:34,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10
[2021-11-13 18:43:34,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912707382]
[2021-11-13 18:43:34,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:34,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:43:34,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:34,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:43:34,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:43:34,253 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:34,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:34,344 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions.
[2021-11-13 18:43:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:43:34,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22
[2021-11-13 18:43:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:34,350 INFO L225 Difference]: With dead ends: 51
[2021-11-13 18:43:34,350 INFO L226 Difference]: Without dead ends: 47
[2021-11-13 18:43:34,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:43:34,353 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 31 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.86ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.12ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:34,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 95 Invalid, 37 Unknown, 0 Unchecked, 3.86ms Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 62.12ms Time]
[2021-11-13 18:43:34,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2021-11-13 18:43:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2021-11-13 18:43:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 44 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions.
[2021-11-13 18:43:34,377 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 22
[2021-11-13 18:43:34,377 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:34,377 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions.
[2021-11-13 18:43:34,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions.
[2021-11-13 18:43:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2021-11-13 18:43:34,379 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:34,379 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:34,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:34,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:34,580 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:34,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:34,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1799100150, now seen corresponding path program 1 times
[2021-11-13 18:43:34,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:34,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941590426]
[2021-11-13 18:43:34,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:34,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2021-11-13 18:43:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2021-11-13 18:43:34,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:34,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941590426]
[2021-11-13 18:43:34,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941590426] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:34,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:43:34,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:43:34,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285283898]
[2021-11-13 18:43:34,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:34,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:43:34,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:34,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:43:34,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:34,740 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:34,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:34,774 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions.
[2021-11-13 18:43:34,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:43:34,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28
[2021-11-13 18:43:34,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:34,778 INFO L225 Difference]: With dead ends: 72
[2021-11-13 18:43:34,778 INFO L226 Difference]: Without dead ends: 50
[2021-11-13 18:43:34,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:34,782 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.29ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.19ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:34,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 71 Invalid, 12 Unknown, 0 Unchecked, 3.29ms Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 21.19ms Time]
[2021-11-13 18:43:34,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2021-11-13 18:43:34,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2021-11-13 18:43:34,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 47 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:34,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions.
[2021-11-13 18:43:34,806 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 28
[2021-11-13 18:43:34,806 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:34,807 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions.
[2021-11-13 18:43:34,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions.
[2021-11-13 18:43:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2021-11-13 18:43:34,809 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:34,809 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:34,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 18:43:34,810 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:34,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:34,811 INFO L85 PathProgramCache]: Analyzing trace with hash -93965126, now seen corresponding path program 1 times
[2021-11-13 18:43:34,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:34,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614620429]
[2021-11-13 18:43:34,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:34,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2021-11-13 18:43:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2021-11-13 18:43:34,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:34,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614620429]
[2021-11-13 18:43:34,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614620429] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:34,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:43:34,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:43:34,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900260305]
[2021-11-13 18:43:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:34,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:43:34,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:34,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:43:34,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:34,979 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:35,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:35,019 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions.
[2021-11-13 18:43:35,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:43:35,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31
[2021-11-13 18:43:35,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:35,022 INFO L225 Difference]: With dead ends: 75
[2021-11-13 18:43:35,022 INFO L226 Difference]: Without dead ends: 73
[2021-11-13 18:43:35,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:35,024 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.94ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.28ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:35,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 68 Invalid, 14 Unknown, 0 Unchecked, 1.94ms Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 32.28ms Time]
[2021-11-13 18:43:35,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2021-11-13 18:43:35,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 59.
[2021-11-13 18:43:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 56 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions.
[2021-11-13 18:43:35,042 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 31
[2021-11-13 18:43:35,042 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:35,043 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions.
[2021-11-13 18:43:35,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions.
[2021-11-13 18:43:35,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2021-11-13 18:43:35,045 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:35,046 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:35,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-13 18:43:35,046 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:35,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:35,047 INFO L85 PathProgramCache]: Analyzing trace with hash -93965071, now seen corresponding path program 1 times
[2021-11-13 18:43:35,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:35,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915229779]
[2021-11-13 18:43:35,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:35,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:35,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2021-11-13 18:43:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2021-11-13 18:43:35,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:35,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915229779]
[2021-11-13 18:43:35,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915229779] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:35,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:43:35,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:43:35,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683834361]
[2021-11-13 18:43:35,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:35,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:43:35,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:35,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:43:35,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:35,198 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:35,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:35,225 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions.
[2021-11-13 18:43:35,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:43:35,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31
[2021-11-13 18:43:35,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:35,227 INFO L225 Difference]: With dead ends: 59
[2021-11-13 18:43:35,227 INFO L226 Difference]: Without dead ends: 58
[2021-11-13 18:43:35,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:35,229 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.31ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.53ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:35,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 69 Invalid, 8 Unknown, 0 Unchecked, 1.31ms Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 14.53ms Time]
[2021-11-13 18:43:35,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2021-11-13 18:43:35,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2021-11-13 18:43:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 55 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions.
[2021-11-13 18:43:35,252 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 31
[2021-11-13 18:43:35,254 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:35,254 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions.
[2021-11-13 18:43:35,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions.
[2021-11-13 18:43:35,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2021-11-13 18:43:35,259 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:35,259 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:35,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-11-13 18:43:35,260 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:35,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:35,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1382050174, now seen corresponding path program 1 times
[2021-11-13 18:43:35,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:35,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779899912]
[2021-11-13 18:43:35,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:35,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2021-11-13 18:43:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2021-11-13 18:43:35,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:35,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779899912]
[2021-11-13 18:43:35,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779899912] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:35,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582407331]
[2021-11-13 18:43:35,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:35,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:35,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:35,420 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:35,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-11-13 18:43:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:35,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-13 18:43:35,567 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-13 18:43:35,718 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:43:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-13 18:43:35,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582407331] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:43:35,914 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:43:35,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14
[2021-11-13 18:43:35,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182892647]
[2021-11-13 18:43:35,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:43:35,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-11-13 18:43:35,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:35,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-11-13 18:43:35,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:43:35,919 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2021-11-13 18:43:36,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:36,050 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions.
[2021-11-13 18:43:36,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-13 18:43:36,053 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32
[2021-11-13 18:43:36,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:36,054 INFO L225 Difference]: With dead ends: 130
[2021-11-13 18:43:36,054 INFO L226 Difference]: Without dead ends: 87
[2021-11-13 18:43:36,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:43:36,066 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 49 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.72ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.37ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:36,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 207 Invalid, 82 Unknown, 0 Unchecked, 4.72ms Time], IncrementalHoareTripleChecker [11 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 108.37ms Time]
[2021-11-13 18:43:36,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2021-11-13 18:43:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 71.
[2021-11-13 18:43:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 68 states have internal predecessors, (75), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 77 transitions.
[2021-11-13 18:43:36,081 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 77 transitions. Word has length 32
[2021-11-13 18:43:36,081 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:36,081 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 77 transitions.
[2021-11-13 18:43:36,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2021-11-13 18:43:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions.
[2021-11-13 18:43:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2021-11-13 18:43:36,090 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:36,091 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:36,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:36,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2021-11-13 18:43:36,307 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:36,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:36,307 INFO L85 PathProgramCache]: Analyzing trace with hash -450645462, now seen corresponding path program 1 times
[2021-11-13 18:43:36,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:36,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123569894]
[2021-11-13 18:43:36,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:36,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:36,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:43:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2021-11-13 18:43:36,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:36,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123569894]
[2021-11-13 18:43:36,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123569894] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:36,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:43:36,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:43:36,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419996079]
[2021-11-13 18:43:36,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:36,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:43:36,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:36,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:43:36,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:36,469 INFO L87 Difference]: Start difference. First operand 71 states and 77 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:36,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:36,488 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions.
[2021-11-13 18:43:36,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:43:36,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52
[2021-11-13 18:43:36,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:36,490 INFO L225 Difference]: With dead ends: 76
[2021-11-13 18:43:36,491 INFO L226 Difference]: Without dead ends: 74
[2021-11-13 18:43:36,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:43:36,492 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.51ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.15ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:36,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 68 Invalid, 10 Unknown, 0 Unchecked, 0.51ms Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 13.15ms Time]
[2021-11-13 18:43:36,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2021-11-13 18:43:36,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2021-11-13 18:43:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.1470588235294117) internal successors, (78), 71 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions.
[2021-11-13 18:43:36,506 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 52
[2021-11-13 18:43:36,506 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:36,506 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions.
[2021-11-13 18:43:36,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions.
[2021-11-13 18:43:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2021-11-13 18:43:36,508 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:36,508 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:36,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-11-13 18:43:36,509 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:36,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:36,509 INFO L85 PathProgramCache]: Analyzing trace with hash 888925871, now seen corresponding path program 1 times
[2021-11-13 18:43:36,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:36,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530161475]
[2021-11-13 18:43:36,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:36,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:43:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2021-11-13 18:43:36,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:36,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530161475]
[2021-11-13 18:43:36,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530161475] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:36,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126275329]
[2021-11-13 18:43:36,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:36,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:36,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:36,653 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:36,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-11-13 18:43:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:36,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:43:36,814 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2021-11-13 18:43:37,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:43:37,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126275329] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:37,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:43:37,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7
[2021-11-13 18:43:37,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613613511]
[2021-11-13 18:43:37,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:37,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:43:37,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:37,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:43:37,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:43:37,010 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:37,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:37,119 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions.
[2021-11-13 18:43:37,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:43:37,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55
[2021-11-13 18:43:37,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:37,121 INFO L225 Difference]: With dead ends: 89
[2021-11-13 18:43:37,121 INFO L226 Difference]: Without dead ends: 74
[2021-11-13 18:43:37,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2021-11-13 18:43:37,122 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.99ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.54ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:37,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 110 Invalid, 45 Unknown, 0 Unchecked, 0.99ms Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 81.54ms Time]
[2021-11-13 18:43:37,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2021-11-13 18:43:37,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2021-11-13 18:43:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 71 states have internal predecessors, (77), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions.
[2021-11-13 18:43:37,135 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 55
[2021-11-13 18:43:37,136 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:37,136 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions.
[2021-11-13 18:43:37,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions.
[2021-11-13 18:43:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2021-11-13 18:43:37,138 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:37,138 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:37,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:37,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:37,361 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:37,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1403960082, now seen corresponding path program 1 times
[2021-11-13 18:43:37,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:37,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891915346]
[2021-11-13 18:43:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:37,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:43:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked.
[2021-11-13 18:43:37,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:37,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891915346]
[2021-11-13 18:43:37,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891915346] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:37,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104724257]
[2021-11-13 18:43:37,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:37,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:37,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:37,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:37,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-11-13 18:43:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:37,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:43:37,633 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked.
[2021-11-13 18:43:37,794 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:43:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked.
[2021-11-13 18:43:37,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104724257] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:43:37,944 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:43:37,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2021-11-13 18:43:37,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387854093]
[2021-11-13 18:43:37,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:43:37,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:43:37,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:37,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:43:37,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:43:37,946 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:37,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:37,988 INFO L93 Difference]: Finished difference Result 118 states and 132 transitions.
[2021-11-13 18:43:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:43:37,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56
[2021-11-13 18:43:37,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:37,990 INFO L225 Difference]: With dead ends: 118
[2021-11-13 18:43:37,990 INFO L226 Difference]: Without dead ends: 92
[2021-11-13 18:43:37,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:43:37,991 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.28ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:37,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 102 Invalid, 21 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 33.28ms Time]
[2021-11-13 18:43:37,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2021-11-13 18:43:37,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2021-11-13 18:43:37,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 86 states have (on average 1.1046511627906976) internal successors, (95), 89 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:37,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions.
[2021-11-13 18:43:37,999 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 56
[2021-11-13 18:43:37,999 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:38,000 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions.
[2021-11-13 18:43:38,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:38,000 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions.
[2021-11-13 18:43:38,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2021-11-13 18:43:38,001 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:38,001 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 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]
[2021-11-13 18:43:38,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:38,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2021-11-13 18:43:38,213 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:38,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:38,213 INFO L85 PathProgramCache]: Analyzing trace with hash 2117424631, now seen corresponding path program 1 times
[2021-11-13 18:43:38,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:38,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209858143]
[2021-11-13 18:43:38,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:38,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:38,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:43:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked.
[2021-11-13 18:43:38,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:38,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209858143]
[2021-11-13 18:43:38,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209858143] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:38,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861486902]
[2021-11-13 18:43:38,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:38,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:38,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:38,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:38,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-11-13 18:43:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:38,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-13 18:43:38,537 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked.
[2021-11-13 18:43:38,745 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:43:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked.
[2021-11-13 18:43:38,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861486902] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:43:38,958 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:43:38,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14
[2021-11-13 18:43:38,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044914329]
[2021-11-13 18:43:38,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:43:38,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-11-13 18:43:38,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:38,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-11-13 18:43:38,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:43:38,961 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:39,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:39,069 INFO L93 Difference]: Finished difference Result 166 states and 188 transitions.
[2021-11-13 18:43:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-11-13 18:43:39,070 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71
[2021-11-13 18:43:39,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:39,071 INFO L225 Difference]: With dead ends: 166
[2021-11-13 18:43:39,071 INFO L226 Difference]: Without dead ends: 131
[2021-11-13 18:43:39,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182
[2021-11-13 18:43:39,073 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 23 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.30ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.64ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:39,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 177 Invalid, 80 Unknown, 0 Unchecked, 1.30ms Time], IncrementalHoareTripleChecker [9 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 90.64ms Time]
[2021-11-13 18:43:39,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2021-11-13 18:43:39,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 130.
[2021-11-13 18:43:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 124 states have (on average 1.0725806451612903) internal successors, (133), 127 states have internal predecessors, (133), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 135 transitions.
[2021-11-13 18:43:39,083 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 135 transitions. Word has length 71
[2021-11-13 18:43:39,083 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:39,083 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 135 transitions.
[2021-11-13 18:43:39,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions.
[2021-11-13 18:43:39,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2021-11-13 18:43:39,085 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:39,085 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:39,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:39,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2021-11-13 18:43:39,308 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:39,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:39,309 INFO L85 PathProgramCache]: Analyzing trace with hash 889560927, now seen corresponding path program 1 times
[2021-11-13 18:43:39,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:39,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249002612]
[2021-11-13 18:43:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:39,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:39,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:43:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2021-11-13 18:43:39,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:39,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249002612]
[2021-11-13 18:43:39,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249002612] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:39,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091407061]
[2021-11-13 18:43:39,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:39,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:39,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:39,449 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:39,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-11-13 18:43:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:39,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:43:39,643 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2021-11-13 18:43:39,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:43:39,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091407061] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:39,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:43:39,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2021-11-13 18:43:39,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317551]
[2021-11-13 18:43:39,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:39,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:43:39,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:39,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:43:39,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:43:39,830 INFO L87 Difference]: Start difference. First operand 130 states and 135 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:39,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:39,850 INFO L93 Difference]: Finished difference Result 130 states and 135 transitions.
[2021-11-13 18:43:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:43:39,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90
[2021-11-13 18:43:39,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:39,852 INFO L225 Difference]: With dead ends: 130
[2021-11-13 18:43:39,853 INFO L226 Difference]: Without dead ends: 129
[2021-11-13 18:43:39,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:43:39,854 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.39ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.64ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:39,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 66 Invalid, 12 Unknown, 0 Unchecked, 0.39ms Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 12.64ms Time]
[2021-11-13 18:43:39,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states.
[2021-11-13 18:43:39,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129.
[2021-11-13 18:43:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 124 states have (on average 1.064516129032258) internal successors, (132), 126 states have internal predecessors, (132), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 134 transitions.
[2021-11-13 18:43:39,867 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 134 transitions. Word has length 90
[2021-11-13 18:43:39,867 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:39,867 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 134 transitions.
[2021-11-13 18:43:39,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions.
[2021-11-13 18:43:39,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2021-11-13 18:43:39,876 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:39,876 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 3, 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]
[2021-11-13 18:43:39,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:40,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2021-11-13 18:43:40,092 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:40,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:40,093 INFO L85 PathProgramCache]: Analyzing trace with hash 169562562, now seen corresponding path program 2 times
[2021-11-13 18:43:40,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:40,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071163618]
[2021-11-13 18:43:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:40,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:43:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked.
[2021-11-13 18:43:40,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:40,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071163618]
[2021-11-13 18:43:40,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071163618] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:40,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336271522]
[2021-11-13 18:43:40,290 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:43:40,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:40,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:40,292 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:40,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2021-11-13 18:43:40,428 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-11-13 18:43:40,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:43:40,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:43:40,434 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked.
[2021-11-13 18:43:40,783 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:43:41,071 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked.
[2021-11-13 18:43:41,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336271522] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:43:41,072 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:43:41,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5
[2021-11-13 18:43:41,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78345577]
[2021-11-13 18:43:41,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:43:41,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:43:41,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:41,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:43:41,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:43:41,076 INFO L87 Difference]: Start difference. First operand 129 states and 134 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:41,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:41,157 INFO L93 Difference]: Finished difference Result 129 states and 134 transitions.
[2021-11-13 18:43:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:43:41,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 92
[2021-11-13 18:43:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:41,159 INFO L225 Difference]: With dead ends: 129
[2021-11-13 18:43:41,159 INFO L226 Difference]: Without dead ends: 113
[2021-11-13 18:43:41,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:43:41,162 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 5 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.78ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.16ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:41,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 95 Invalid, 34 Unknown, 0 Unchecked, 0.78ms Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 57.16ms Time]
[2021-11-13 18:43:41,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2021-11-13 18:43:41,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2021-11-13 18:43:41,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 109 states have (on average 1.0458715596330275) internal successors, (114), 110 states have internal predecessors, (114), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:41,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 116 transitions.
[2021-11-13 18:43:41,205 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 116 transitions. Word has length 92
[2021-11-13 18:43:41,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:41,206 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 116 transitions.
[2021-11-13 18:43:41,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 116 transitions.
[2021-11-13 18:43:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2021-11-13 18:43:41,207 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:41,207 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:41,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:41,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2021-11-13 18:43:41,421 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:41,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:41,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1404007810, now seen corresponding path program 2 times
[2021-11-13 18:43:41,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:41,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604079860]
[2021-11-13 18:43:41,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:41,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:41,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:43:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 323 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2021-11-13 18:43:41,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:41,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604079860]
[2021-11-13 18:43:41,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604079860] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:41,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518929629]
[2021-11-13 18:43:41,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:43:41,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:41,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:41,655 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:41,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2021-11-13 18:43:41,796 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-11-13 18:43:41,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:43:41,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:43:41,802 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked.
[2021-11-13 18:43:42,156 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:43:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked.
[2021-11-13 18:43:42,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518929629] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:43:42,475 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:43:42,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7
[2021-11-13 18:43:42,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096550408]
[2021-11-13 18:43:42,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:43:42,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 18:43:42,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:42,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:43:42,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:43:42,478 INFO L87 Difference]: Start difference. First operand 113 states and 116 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:42,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:42,584 INFO L93 Difference]: Finished difference Result 148 states and 154 transitions.
[2021-11-13 18:43:42,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 18:43:42,584 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110
[2021-11-13 18:43:42,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:42,586 INFO L225 Difference]: With dead ends: 148
[2021-11-13 18:43:42,586 INFO L226 Difference]: Without dead ends: 147
[2021-11-13 18:43:42,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:43:42,587 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.75ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.33ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:42,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 63 Invalid, 40 Unknown, 0 Unchecked, 0.75ms Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 62.33ms Time]
[2021-11-13 18:43:42,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2021-11-13 18:43:42,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 112.
[2021-11-13 18:43:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 109 states have (on average 1.036697247706422) internal successors, (113), 109 states have internal predecessors, (113), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 115 transitions.
[2021-11-13 18:43:42,598 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 115 transitions. Word has length 110
[2021-11-13 18:43:42,598 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:42,598 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 115 transitions.
[2021-11-13 18:43:42,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 115 transitions.
[2021-11-13 18:43:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2021-11-13 18:43:42,601 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:43:42,601 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:42,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:42,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2021-11-13 18:43:42,828 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2021-11-13 18:43:42,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:43:42,829 INFO L85 PathProgramCache]: Analyzing trace with hash 574569236, now seen corresponding path program 1 times
[2021-11-13 18:43:42,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:43:42,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251492453]
[2021-11-13 18:43:42,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:42,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:43:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2021-11-13 18:43:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2021-11-13 18:43:43,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:43:43,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251492453]
[2021-11-13 18:43:43,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251492453] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:43:43,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600761126]
[2021-11-13 18:43:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:43,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:43,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:43,085 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:43,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2021-11-13 18:43:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:43,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:43:43,295 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2021-11-13 18:43:43,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:43:43,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600761126] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:43:43,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:43:43,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2021-11-13 18:43:43,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635896000]
[2021-11-13 18:43:43,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:43:43,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:43:43,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:43:43,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:43:43,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:43:43,643 INFO L87 Difference]: Start difference. First operand 112 states and 115 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:43,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:43:43,686 INFO L93 Difference]: Finished difference Result 112 states and 115 transitions.
[2021-11-13 18:43:43,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:43:43,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 111
[2021-11-13 18:43:43,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:43:43,688 INFO L225 Difference]: With dead ends: 112
[2021-11-13 18:43:43,688 INFO L226 Difference]: Without dead ends: 0
[2021-11-13 18:43:43,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:43:43,689 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.43ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.80ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:43:43,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 15 Unknown, 0 Unchecked, 0.43ms Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 35.80ms Time]
[2021-11-13 18:43:43,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 18:43:43,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 18:43:43,691 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)
[2021-11-13 18:43:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:43:43,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111
[2021-11-13 18:43:43,691 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:43:43,691 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:43:43,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:43:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:43:43,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 18:43:43,695 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining)
[2021-11-13 18:43:43,695 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining)
[2021-11-13 18:43:43,696 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining)
[2021-11-13 18:43:43,696 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining)
[2021-11-13 18:43:43,697 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining)
[2021-11-13 18:43:43,697 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining)
[2021-11-13 18:43:43,697 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining)
[2021-11-13 18:43:43,697 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining)
[2021-11-13 18:43:43,698 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining)
[2021-11-13 18:43:43,698 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining)
[2021-11-13 18:43:43,698 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining)
[2021-11-13 18:43:43,699 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining)
[2021-11-13 18:43:43,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2021-11-13 18:43:43,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2021-11-13 18:43:43,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 18:43:44,544 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed.
[2021-11-13 18:43:44,544 INFO L858 garLoopResultBuilder]: For program point L1889-2(lines 1889 1896) no Hoare annotation was computed.
[2021-11-13 18:43:44,544 INFO L858 garLoopResultBuilder]: For program point L1889-3(line 1889) no Hoare annotation was computed.
[2021-11-13 18:43:44,545 INFO L854 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~i~3#1|))
[2021-11-13 18:43:44,545 INFO L854 garLoopResultBuilder]: At program point L1889-4(lines 1889 1896) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~argc~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~argc~0#1| 10000)) (.cse2 (<= 1 |ULTIMATE.start_main_~i~3#1|))) (or (and (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse0 (<= |ULTIMATE.start_main_~i~4#1| 2147483646) (<= 1 |ULTIMATE.start_main_~i~4#1|) .cse1 .cse2) (and (= |ULTIMATE.start_main_~i~4#1| 0) .cse0 .cse1 .cse2)))
[2021-11-13 18:43:44,545 INFO L858 garLoopResultBuilder]: For program point L1885-1(line 1885) no Hoare annotation was computed.
[2021-11-13 18:43:44,546 INFO L858 garLoopResultBuilder]: For program point L1889-5(lines 1889 1896) no Hoare annotation was computed.
[2021-11-13 18:43:44,546 INFO L858 garLoopResultBuilder]: For program point L1782(lines 1782 1783) no Hoare annotation was computed.
[2021-11-13 18:43:44,546 INFO L858 garLoopResultBuilder]: For program point L1782-2(lines 1782 1783) no Hoare annotation was computed.
[2021-11-13 18:43:44,546 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed.
[2021-11-13 18:43:44,547 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed.
[2021-11-13 18:43:44,547 INFO L858 garLoopResultBuilder]: For program point L1898-2(lines 1898 1899) no Hoare annotation was computed.
[2021-11-13 18:43:44,547 INFO L858 garLoopResultBuilder]: For program point L1898-3(line 1898) no Hoare annotation was computed.
[2021-11-13 18:43:44,547 INFO L854 garLoopResultBuilder]: At program point L1898-4(lines 1898 1899) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~argc~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~argc~0#1| 10000)) (.cse2 (<= 1 |ULTIMATE.start_main_~i~3#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~i~5#1| 0) .cse1 .cse2) (and .cse0 (<= |ULTIMATE.start_main_~i~5#1| 2147483646) .cse1 .cse2 (<= 1 |ULTIMATE.start_main_~i~5#1|))))
[2021-11-13 18:43:44,547 INFO L858 garLoopResultBuilder]: For program point L1898-5(lines 1898 1899) no Hoare annotation was computed.
[2021-11-13 18:43:44,548 INFO L858 garLoopResultBuilder]: For program point L1894-2(lines 1894 1895) no Hoare annotation was computed.
[2021-11-13 18:43:44,548 INFO L858 garLoopResultBuilder]: For program point L1894-3(line 1894) no Hoare annotation was computed.
[2021-11-13 18:43:44,548 INFO L854 garLoopResultBuilder]: At program point L1894-4(lines 1894 1895) the Hoare annotation is: (let ((.cse7 (<= 1 |ULTIMATE.start_main_~j~0#1|)) (.cse1 (<= 1 |ULTIMATE.start_main_~i~4#1|)) (.cse4 (< |ULTIMATE.start_main_~i~4#1| 2147483646)) (.cse6 (= |ULTIMATE.start_main_~i~4#1| 0)) (.cse0 (<= 1 |ULTIMATE.start_main_~argc~0#1|)) (.cse2 (= |ULTIMATE.start_main_~j~0#1| 0)) (.cse3 (<= |ULTIMATE.start_main_~argc~0#1| 10000)) (.cse5 (<= 1 |ULTIMATE.start_main_~i~3#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse3 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 .cse5)))
[2021-11-13 18:43:44,548 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 18:43:44,549 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed.
[2021-11-13 18:43:44,549 INFO L858 garLoopResultBuilder]: For program point L1886(line 1886) no Hoare annotation was computed.
[2021-11-13 18:43:44,549 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 18:43:44,549 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed.
[2021-11-13 18:43:44,549 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 18:43:44,550 INFO L854 garLoopResultBuilder]: At program point L1775(lines 1771 1776) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= 1 |ULTIMATE.start_main_~i~3#1|))
[2021-11-13 18:43:44,550 INFO L861 garLoopResultBuilder]: At program point L1903(lines 1875 1904) the Hoare annotation is: true
[2021-11-13 18:43:44,550 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed.
[2021-11-13 18:43:44,550 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1770) no Hoare annotation was computed.
[2021-11-13 18:43:44,551 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed.
[2021-11-13 18:43:44,551 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 18:43:44,551 INFO L858 garLoopResultBuilder]: For program point L1887(line 1887) no Hoare annotation was computed.
[2021-11-13 18:43:44,551 INFO L858 garLoopResultBuilder]: For program point L1887-1(line 1887) no Hoare annotation was computed.
[2021-11-13 18:43:44,551 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed.
[2021-11-13 18:43:44,552 INFO L858 garLoopResultBuilder]: For program point L1879-2(lines 1879 1880) no Hoare annotation was computed.
[2021-11-13 18:43:44,552 INFO L858 garLoopResultBuilder]: For program point L1879-3(line 1879) no Hoare annotation was computed.
[2021-11-13 18:43:44,552 INFO L854 garLoopResultBuilder]: At program point L1879-4(lines 1879 1880) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~3#1| 0) (<= 1 |ULTIMATE.start_main_~i~3#1|))
[2021-11-13 18:43:44,552 INFO L858 garLoopResultBuilder]: For program point L1879-5(lines 1879 1880) no Hoare annotation was computed.
[2021-11-13 18:43:44,552 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed.
[2021-11-13 18:43:44,553 INFO L854 garLoopResultBuilder]: At program point L1793(lines 1791 1794) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= 1 |ULTIMATE.start_main_~i~3#1|))
[2021-11-13 18:43:44,553 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed.
[2021-11-13 18:43:44,553 INFO L854 garLoopResultBuilder]: At program point L1789(lines 1780 1790) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= 1 |ULTIMATE.start_main_~i~3#1|))
[2021-11-13 18:43:44,553 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed.
[2021-11-13 18:43:44,554 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed.
[2021-11-13 18:43:44,554 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 8 10) the Hoare annotation is: true
[2021-11-13 18:43:44,554 INFO L858 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed.
[2021-11-13 18:43:44,554 INFO L858 garLoopResultBuilder]: For program point L9-2(lines 8 10) no Hoare annotation was computed.
[2021-11-13 18:43:44,554 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed.
[2021-11-13 18:43:44,559 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:43:44,561 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:43:44,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:43:44 BoogieIcfgContainer
[2021-11-13 18:43:44,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:43:44,585 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:43:44,586 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:43:44,586 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:43:44,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:43:31" (3/4) ...
[2021-11-13 18:43:44,590 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 18:43:44,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2021-11-13 18:43:44,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2021-11-13 18:43:44,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2021-11-13 18:43:44,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2021-11-13 18:43:44,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:43:44,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:43:44,669 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:43:44,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:43:44,670 INFO L158 Benchmark]: Toolchain (without parser) took 15934.72ms. Allocated memory was 109.1MB in the beginning and 205.5MB in the end (delta: 96.5MB). Free memory was 72.1MB in the beginning and 154.7MB in the end (delta: -82.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB.
[2021-11-13 18:43:44,671 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:43:44,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1428.40ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 71.9MB in the beginning and 82.7MB in the end (delta: -10.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
[2021-11-13 18:43:44,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.99ms. Allocated memory is still 157.3MB. Free memory was 82.7MB in the beginning and 78.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:43:44,672 INFO L158 Benchmark]: Boogie Preprocessor took 64.69ms. Allocated memory is still 157.3MB. Free memory was 78.8MB in the beginning and 76.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:43:44,673 INFO L158 Benchmark]: RCFGBuilder took 837.17ms. Allocated memory is still 157.3MB. Free memory was 76.4MB in the beginning and 56.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2021-11-13 18:43:44,673 INFO L158 Benchmark]: TraceAbstraction took 13411.21ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 55.7MB in the beginning and 158.8MB in the end (delta: -103.1MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB.
[2021-11-13 18:43:44,674 INFO L158 Benchmark]: Witness Printer took 84.20ms. Allocated memory is still 205.5MB. Free memory was 158.8MB in the beginning and 154.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:43:44,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1428.40ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 71.9MB in the beginning and 82.7MB in the end (delta: -10.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 97.99ms. Allocated memory is still 157.3MB. Free memory was 82.7MB in the beginning and 78.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 64.69ms. Allocated memory is still 157.3MB. Free memory was 78.8MB in the beginning and 76.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 837.17ms. Allocated memory is still 157.3MB. Free memory was 76.4MB in the beginning and 56.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 13411.21ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 55.7MB in the beginning and 158.8MB in the end (delta: -103.1MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB.
* Witness Printer took 84.20ms. Allocated memory is still 205.5MB. Free memory was 158.8MB in the beginning and 154.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* 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: 1879]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1879]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1886]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1886]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1887]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1887]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1894]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1894]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1889]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1889]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1898]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1898]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 47 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 17, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 219 SdHoareTripleChecker+Valid, 719.29ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 1551 SdHoareTripleChecker+Invalid, 581.47ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 955 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 408 IncrementalHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 596 mSDtfsCounter, 408 mSolverCounterSat, 34.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1106 GetRequests, 1024 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=13, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 68 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 13 PreInvPairs, 59 NumberOfFragments, 180 HoareAnnotationTreeSize, 13 FomulaSimplifications, 310 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 10 FomulaSimplificationsInter, 1162 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1473 NumberOfCodeBlocks, 1297 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1813 ConstructedInterpolants, 0 QuantifiedInterpolants, 3129 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2489 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 34 InterpolantComputations, 11 PerfectInterpolantSequences, 5461/6887 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
12 specifications checked. All of them hold
- InvariantResult [Line: 1771]: Loop Invariant
Derived loop invariant: (1 <= argc && argc <= 10000) && 1 <= i
- InvariantResult [Line: 1791]: Loop Invariant
Derived loop invariant: (1 <= argc && argc <= 10000) && 1 <= i
- InvariantResult [Line: 1879]: Loop Invariant
Derived loop invariant: i == 0 || 1 <= i
- InvariantResult [Line: 1889]: Loop Invariant
Derived loop invariant: (((((1 <= j && 1 <= argc) && i <= 2147483646) && 1 <= i) && argc <= 10000) && 1 <= i) || (((i == 0 && 1 <= argc) && argc <= 10000) && 1 <= i)
- InvariantResult [Line: 1780]: Loop Invariant
Derived loop invariant: (1 <= argc && argc <= 10000) && 1 <= i
- InvariantResult [Line: 1894]: Loop Invariant
Derived loop invariant: (((((((1 <= argc && 1 <= i) && j == 0) && argc <= 10000) && i < 2147483646) && 1 <= i) || ((((i == 0 && 1 <= j) && 1 <= argc) && argc <= 10000) && 1 <= i)) || (((((1 <= j && 1 <= argc) && 1 <= i) && argc <= 10000) && i < 2147483646) && 1 <= i)) || ((((i == 0 && 1 <= argc) && j == 0) && argc <= 10000) && 1 <= i)
- InvariantResult [Line: 1875]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 1898]: Loop Invariant
Derived loop invariant: (((1 <= argc && i == 0) && argc <= 10000) && 1 <= i) || ((((1 <= argc && i <= 2147483646) && argc <= 10000) && 1 <= i) && 1 <= i)
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:43:44,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d932ea6-4050-4d71-ada0-80761e53732e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE