/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_unwindbound1.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-1a84f73
[2021-05-01 05:16:14,476 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-05-01 05:16:14,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-05-01 05:16:14,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-05-01 05:16:14,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-05-01 05:16:14,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-05-01 05:16:14,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-05-01 05:16:14,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-05-01 05:16:14,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-05-01 05:16:14,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-05-01 05:16:14,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-05-01 05:16:14,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-05-01 05:16:14,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-05-01 05:16:14,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-05-01 05:16:14,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-05-01 05:16:14,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-05-01 05:16:14,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-05-01 05:16:14,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-05-01 05:16:14,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-05-01 05:16:14,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-05-01 05:16:14,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-05-01 05:16:14,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-05-01 05:16:14,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-05-01 05:16:14,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-05-01 05:16:14,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-05-01 05:16:14,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-05-01 05:16:14,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-05-01 05:16:14,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-05-01 05:16:14,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-05-01 05:16:14,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-05-01 05:16:14,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-05-01 05:16:14,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-05-01 05:16:14,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-05-01 05:16:14,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-05-01 05:16:14,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-05-01 05:16:14,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-05-01 05:16:14,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-05-01 05:16:14,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-05-01 05:16:14,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-05-01 05:16:14,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-05-01 05:16:14,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-05-01 05:16:14,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf
[2021-05-01 05:16:14,610 INFO L113 SettingsManager]: Loading preferences was successful
[2021-05-01 05:16:14,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-05-01 05:16:14,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-05-01 05:16:14,612 INFO L138 SettingsManager]: * sizeof long=4
[2021-05-01 05:16:14,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-05-01 05:16:14,613 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-05-01 05:16:14,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-05-01 05:16:14,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-05-01 05:16:14,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-05-01 05:16:14,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-05-01 05:16:14,614 INFO L138 SettingsManager]: * sizeof long double=12
[2021-05-01 05:16:14,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-05-01 05:16:14,614 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-05-01 05:16:14,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-05-01 05:16:14,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-05-01 05:16:14,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-05-01 05:16:14,615 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-05-01 05:16:14,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-05-01 05:16:14,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-05-01 05:16:14,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-05-01 05:16:14,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-05-01 05:16:14,616 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-05-01 05:16:14,617 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-05-01 05:16:14,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-05-01 05:16:14,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-05-01 05:16:14,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-05-01 05:16:14,915 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-05-01 05:16:14,915 INFO L275 PluginConnector]: CDTParser initialized
[2021-05-01 05:16:14,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_unwindbound1.c
[2021-05-01 05:16:14,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16da7a01/897b9777ece44ff5aecc4abefe8b3858/FLAGdbf3c98ff
[2021-05-01 05:16:15,399 INFO L306 CDTParser]: Found 1 translation units.
[2021-05-01 05:16:15,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_unwindbound1.c
[2021-05-01 05:16:15,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16da7a01/897b9777ece44ff5aecc4abefe8b3858/FLAGdbf3c98ff
[2021-05-01 05:16:15,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16da7a01/897b9777ece44ff5aecc4abefe8b3858
[2021-05-01 05:16:15,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-05-01 05:16:15,770 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-05-01 05:16:15,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-05-01 05:16:15,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-05-01 05:16:15,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-05-01 05:16:15,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 05:16:15" (1/1) ...
[2021-05-01 05:16:15,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fe5a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15, skipping insertion in model container
[2021-05-01 05:16:15,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 05:16:15" (1/1) ...
[2021-05-01 05:16:15,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-05-01 05:16:15,797 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-05-01 05:16:15,908 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538]
[2021-05-01 05:16:15,919 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 05:16:15,926 INFO L203 MainTranslator]: Completed pre-run
[2021-05-01 05:16:15,958 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538]
[2021-05-01 05:16:15,976 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 05:16:15,987 INFO L208 MainTranslator]: Completed translation
[2021-05-01 05:16:15,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15 WrapperNode
[2021-05-01 05:16:15,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-05-01 05:16:15,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-05-01 05:16:15,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-05-01 05:16:15,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-05-01 05:16:16,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15" (1/1) ...
[2021-05-01 05:16:16,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15" (1/1) ...
[2021-05-01 05:16:16,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15" (1/1) ...
[2021-05-01 05:16:16,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15" (1/1) ...
[2021-05-01 05:16:16,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15" (1/1) ...
[2021-05-01 05:16:16,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15" (1/1) ...
[2021-05-01 05:16:16,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15" (1/1) ...
[2021-05-01 05:16:16,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-05-01 05:16:16,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-05-01 05:16:16,025 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-05-01 05:16:16,026 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-05-01 05:16:16,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-05-01 05:16:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-05-01 05:16:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-05-01 05:16:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-05-01 05:16:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-05-01 05:16:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-05-01 05:16:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-05-01 05:16:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-05-01 05:16:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-05-01 05:16:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-05-01 05:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-05-01 05:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-05-01 05:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-05-01 05:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-05-01 05:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-05-01 05:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-05-01 05:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-05-01 05:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-05-01 05:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-05-01 05:16:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-05-01 05:16:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-05-01 05:16:16,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-05-01 05:16:16,276 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-05-01 05:16:16,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:16:16 BoogieIcfgContainer
[2021-05-01 05:16:16,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-05-01 05:16:16,278 INFO L113 PluginConnector]: ------------------------IcfgTransformer----------------------------
[2021-05-01 05:16:16,278 INFO L271 PluginConnector]: Initializing IcfgTransformer...
[2021-05-01 05:16:16,279 INFO L275 PluginConnector]: IcfgTransformer initialized
[2021-05-01 05:16:16,281 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:16:16" (1/1) ...
[2021-05-01 05:16:16,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 05:16:16 BasicIcfg
[2021-05-01 05:16:16,295 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2021-05-01 05:16:16,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-05-01 05:16:16,297 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-05-01 05:16:16,299 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-05-01 05:16:16,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 05:16:15" (1/4) ...
[2021-05-01 05:16:16,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1c0678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 05:16:16, skipping insertion in model container
[2021-05-01 05:16:16,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:16:15" (2/4) ...
[2021-05-01 05:16:16,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1c0678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 05:16:16, skipping insertion in model container
[2021-05-01 05:16:16,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:16:16" (3/4) ...
[2021-05-01 05:16:16,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1c0678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 05:16:16, skipping insertion in model container
[2021-05-01 05:16:16,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 05:16:16" (4/4) ...
[2021-05-01 05:16:16,301 INFO L111 eAbstractionObserver]: Analyzing ICFG geo3-ll_unwindbound1.cJordan
[2021-05-01 05:16:16,306 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION
[2021-05-01 05:16:16,310 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-05-01 05:16:16,324 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-05-01 05:16:16,341 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-05-01 05:16:16,341 INFO L377 AbstractCegarLoop]: Hoare is false
[2021-05-01 05:16:16,341 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates
[2021-05-01 05:16:16,341 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-05-01 05:16:16,341 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-05-01 05:16:16,341 INFO L381 AbstractCegarLoop]: Difference is false
[2021-05-01 05:16:16,341 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-05-01 05:16:16,341 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-05-01 05:16:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2021-05-01 05:16:16,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-05-01 05:16:16,358 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 05:16:16,358 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 05:16:16,359 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 05:16:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 05:16:16,363 INFO L82 PathProgramCache]: Analyzing trace with hash -630084848, now seen corresponding path program 1 times
[2021-05-01 05:16:16,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 05:16:16,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283766502]
[2021-05-01 05:16:16,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 05:16:16,494 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-05-01 05:16:16,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1231941399]
[2021-05-01 05:16:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 05:16:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:16:16,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-05-01 05:16:16,605 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-05-01 05:16:16,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:16,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 05:16:16,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 05:16:16,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283766502]
[2021-05-01 05:16:16,658 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-05-01 05:16:16,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231941399]
[2021-05-01 05:16:16,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231941399] provided 1 perfect and 0 imperfect interpolant sequences
[2021-05-01 05:16:16,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-05-01 05:16:16,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-05-01 05:16:16,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986468579]
[2021-05-01 05:16:16,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-05-01 05:16:16,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 05:16:16,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-05-01 05:16:16,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-05-01 05:16:16,690 INFO L87 Difference]: Start difference. First operand has 22 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 05:16:16,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 05:16:16,701 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions.
[2021-05-01 05:16:16,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-05-01 05:16:16,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2021-05-01 05:16:16,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 05:16:16,715 INFO L225 Difference]: With dead ends: 22
[2021-05-01 05:16:16,715 INFO L226 Difference]: Without dead ends: 17
[2021-05-01 05:16:16,716 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-05-01 05:16:16,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2021-05-01 05:16:16,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2021-05-01 05:16:16,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-05-01 05:16:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2021-05-01 05:16:16,744 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11
[2021-05-01 05:16:16,744 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 05:16:16,744 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2021-05-01 05:16:16,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 05:16:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2021-05-01 05:16:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-05-01 05:16:16,746 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 05:16:16,746 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 05:16:16,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2021-05-01 05:16:16,961 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 05:16:16,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 05:16:16,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1971636769, now seen corresponding path program 1 times
[2021-05-01 05:16:16,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 05:16:16,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518436117]
[2021-05-01 05:16:16,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 05:16:16,984 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-05-01 05:16:16,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [373230853]
[2021-05-01 05:16:16,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 05:16:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:16:17,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-05-01 05:16:17,089 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-05-01 05:16:17,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,149 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:17,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,165 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:17,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,169 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:17,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:17,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-05-01 05:16:17,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,207 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:17,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:17,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-05-01 05:16:17,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,215 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:17,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:17,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-05-01 05:16:17,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,232 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size
[2021-05-01 05:16:17,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 05:16:17,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 05:16:17,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518436117]
[2021-05-01 05:16:17,249 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-05-01 05:16:17,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373230853]
[2021-05-01 05:16:17,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373230853] provided 1 perfect and 0 imperfect interpolant sequences
[2021-05-01 05:16:17,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-05-01 05:16:17,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-05-01 05:16:17,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406565826]
[2021-05-01 05:16:17,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-05-01 05:16:17,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 05:16:17,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-05-01 05:16:17,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-05-01 05:16:17,252 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 05:16:17,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 05:16:17,262 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions.
[2021-05-01 05:16:17,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-05-01 05:16:17,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2021-05-01 05:16:17,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 05:16:17,263 INFO L225 Difference]: With dead ends: 19
[2021-05-01 05:16:17,263 INFO L226 Difference]: Without dead ends: 19
[2021-05-01 05:16:17,263 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-05-01 05:16:17,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-05-01 05:16:17,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2021-05-01 05:16:17,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-05-01 05:16:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2021-05-01 05:16:17,267 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 12
[2021-05-01 05:16:17,267 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 05:16:17,267 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2021-05-01 05:16:17,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 05:16:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2021-05-01 05:16:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-05-01 05:16:17,268 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 05:16:17,268 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 05:16:17,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 05:16:17,489 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 05:16:17,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 05:16:17,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1972709245, now seen corresponding path program 1 times
[2021-05-01 05:16:17,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 05:16:17,490 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795878382]
[2021-05-01 05:16:17,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 05:16:17,503 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-05-01 05:16:17,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760672893]
[2021-05-01 05:16:17,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 05:16:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:16:17,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjunts are in the unsatisfiable core
[2021-05-01 05:16:17,566 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-05-01 05:16:17,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:17,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,608 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:17,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:17,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-05-01 05:16:17,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,611 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:17,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:17,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-05-01 05:16:17,614 INFO L142 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size
[2021-05-01 05:16:17,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:17,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:17,651 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-05-01 05:16:17,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 05:16:17,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 05:16:17,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795878382]
[2021-05-01 05:16:17,654 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-05-01 05:16:17,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760672893]
[2021-05-01 05:16:17,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760672893] provided 1 perfect and 0 imperfect interpolant sequences
[2021-05-01 05:16:17,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-05-01 05:16:17,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-05-01 05:16:17,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317239054]
[2021-05-01 05:16:17,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-05-01 05:16:17,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 05:16:17,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-05-01 05:16:17,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-05-01 05:16:17,655 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 05:16:17,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 05:16:17,684 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions.
[2021-05-01 05:16:17,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-05-01 05:16:17,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2021-05-01 05:16:17,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 05:16:17,685 INFO L225 Difference]: With dead ends: 26
[2021-05-01 05:16:17,685 INFO L226 Difference]: Without dead ends: 25
[2021-05-01 05:16:17,685 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.8ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-05-01 05:16:17,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2021-05-01 05:16:17,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2021-05-01 05:16:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-05-01 05:16:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions.
[2021-05-01 05:16:17,689 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 12
[2021-05-01 05:16:17,689 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 05:16:17,689 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions.
[2021-05-01 05:16:17,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 05:16:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions.
[2021-05-01 05:16:17,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-05-01 05:16:17,690 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 05:16:17,690 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 05:16:17,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 05:16:17,891 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 05:16:17,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 05:16:17,891 INFO L82 PathProgramCache]: Analyzing trace with hash -832305310, now seen corresponding path program 1 times
[2021-05-01 05:16:17,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 05:16:17,892 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803769006]
[2021-05-01 05:16:17,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 05:16:17,907 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-05-01 05:16:17,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449479182]
[2021-05-01 05:16:17,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 05:16:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:16:17,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 25 conjunts are in the unsatisfiable core
[2021-05-01 05:16:17,979 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-05-01 05:16:17,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:17,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:17,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-05-01 05:16:18,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 05:16:18,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 05:16:18,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 05:16:18,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 05:16:18,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 05:16:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 05:16:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 05:16:18,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33
[2021-05-01 05:16:18,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33
[2021-05-01 05:16:18,088 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size
[2021-05-01 05:16:18,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-05-01 05:16:18,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-05-01 05:16:18,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-05-01 05:16:18,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,162 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27
[2021-05-01 05:16:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28
[2021-05-01 05:16:18,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,164 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27
[2021-05-01 05:16:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28
[2021-05-01 05:16:18,167 INFO L142 QuantifierPusher]: treesize reduction 52, result has 5.5 percent of original size
[2021-05-01 05:16:18,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:18,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,189 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-05-01 05:16:18,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 05:16:18,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 05:16:18,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803769006]
[2021-05-01 05:16:18,193 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-05-01 05:16:18,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449479182]
[2021-05-01 05:16:18,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449479182] provided 0 perfect and 1 imperfect interpolant sequences
[2021-05-01 05:16:18,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2021-05-01 05:16:18,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2021-05-01 05:16:18,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831801363]
[2021-05-01 05:16:18,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-05-01 05:16:18,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 05:16:18,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-05-01 05:16:18,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-05-01 05:16:18,195 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-05-01 05:16:18,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 05:16:18,289 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions.
[2021-05-01 05:16:18,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-05-01 05:16:18,290 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20
[2021-05-01 05:16:18,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 05:16:18,291 INFO L225 Difference]: With dead ends: 34
[2021-05-01 05:16:18,292 INFO L226 Difference]: Without dead ends: 33
[2021-05-01 05:16:18,295 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 73.9ms TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2021-05-01 05:16:18,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2021-05-01 05:16:18,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2021-05-01 05:16:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2021-05-01 05:16:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions.
[2021-05-01 05:16:18,309 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 20
[2021-05-01 05:16:18,309 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 05:16:18,309 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions.
[2021-05-01 05:16:18,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-05-01 05:16:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions.
[2021-05-01 05:16:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2021-05-01 05:16:18,311 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 05:16:18,312 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 05:16:18,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 05:16:18,535 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 05:16:18,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 05:16:18,535 INFO L82 PathProgramCache]: Analyzing trace with hash -870943837, now seen corresponding path program 2 times
[2021-05-01 05:16:18,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 05:16:18,535 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87652094]
[2021-05-01 05:16:18,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 05:16:18,565 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-05-01 05:16:18,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822674451]
[2021-05-01 05:16:18,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 05:16:18,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-05-01 05:16:18,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-05-01 05:16:18,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-05-01 05:16:18,670 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-05-01 05:16:18,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,803 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,807 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,810 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12
[2021-05-01 05:16:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-05-01 05:16:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,824 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:18,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-05-01 05:16:18,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,827 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,829 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:18,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-05-01 05:16:18,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15
[2021-05-01 05:16:18,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,868 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:18,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-05-01 05:16:18,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,871 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 05:16:18,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 05:16:18,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-05-01 05:16:18,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:16:18,880 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size
[2021-05-01 05:16:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:16:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:16:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-05-01 05:16:18,906 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 05:16:18,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87652094]
[2021-05-01 05:16:18,906 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-05-01 05:16:18,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822674451]
[2021-05-01 05:16:18,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822674451] provided 0 perfect and 1 imperfect interpolant sequences
[2021-05-01 05:16:18,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2021-05-01 05:16:18,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5
[2021-05-01 05:16:18,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891089382]
[2021-05-01 05:16:18,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-05-01 05:16:18,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 05:16:18,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-05-01 05:16:18,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-05-01 05:16:18,913 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-05-01 05:16:18,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 05:16:18,937 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions.
[2021-05-01 05:16:18,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-05-01 05:16:18,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 28
[2021-05-01 05:16:18,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 05:16:18,937 INFO L225 Difference]: With dead ends: 16
[2021-05-01 05:16:18,937 INFO L226 Difference]: Without dead ends: 0
[2021-05-01 05:16:18,938 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2021-05-01 05:16:18,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-05-01 05:16:18,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-05-01 05:16:18,938 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)
[2021-05-01 05:16:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-05-01 05:16:18,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28
[2021-05-01 05:16:18,938 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 05:16:18,938 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-05-01 05:16:18,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-05-01 05:16:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-05-01 05:16:18,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-05-01 05:16:19,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 05:16:19,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 05:16:19 BasicIcfg
[2021-05-01 05:16:19,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-05-01 05:16:19,158 INFO L168 Benchmark]: Toolchain (without parser) took 3387.28 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 146.9 MB in the beginning and 131.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB.
[2021-05-01 05:16:19,158 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 181.4 MB. Free memory is still 163.2 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-05-01 05:16:19,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.89 ms. Allocated memory is still 181.4 MB. Free memory was 146.6 MB in the beginning and 164.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 8.0 GB.
[2021-05-01 05:16:19,158 INFO L168 Benchmark]: Boogie Preprocessor took 35.81 ms. Allocated memory is still 181.4 MB. Free memory was 164.7 MB in the beginning and 163.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-05-01 05:16:19,159 INFO L168 Benchmark]: RCFGBuilder took 251.82 ms. Allocated memory is still 181.4 MB. Free memory was 163.2 MB in the beginning and 148.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
[2021-05-01 05:16:19,159 INFO L168 Benchmark]: IcfgTransformer took 17.62 ms. Allocated memory is still 181.4 MB. Free memory was 148.9 MB in the beginning and 147.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-05-01 05:16:19,159 INFO L168 Benchmark]: TraceAbstraction took 2859.75 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 147.1 MB in the beginning and 131.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 52.8 MB. Max. memory is 8.0 GB.
[2021-05-01 05:16:19,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.11 ms. Allocated memory is still 181.4 MB. Free memory is still 163.2 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 213.89 ms. Allocated memory is still 181.4 MB. Free memory was 146.6 MB in the beginning and 164.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 35.81 ms. Allocated memory is still 181.4 MB. Free memory was 164.7 MB in the beginning and 163.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 251.82 ms. Allocated memory is still 181.4 MB. Free memory was 163.2 MB in the beginning and 148.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
* IcfgTransformer took 17.62 ms. Allocated memory is still 181.4 MB. Free memory was 148.9 MB in the beginning and 147.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 2859.75 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 147.1 MB in the beginning and 131.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 52.8 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 17]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2814.5ms, OverallIterations: 5, TraceHistogramMax: 3, EmptinessCheckTime: 12.2ms, AutomataDifference: 219.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 24 SDslu, 172 SDs, 0 SdLazy, 88 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 79.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 139.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 37.3ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 63.3ms SsaConstructionTime, 168.6ms SatisfiabilityAnalysisTime, 767.5ms InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 6 NumberOfNonLiveVariables, 634 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 16/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
Received shutdown request...