./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94a3c9718d8b0819c3a22a45f77fd4dac96406e3aa7eff964888695d6121efac --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:46:01,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:46:01,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:46:01,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:46:01,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:46:01,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:46:01,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:46:01,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:46:01,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:46:01,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:46:01,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:46:01,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:46:01,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:46:01,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:46:01,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:46:01,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:46:01,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:46:01,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:46:01,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:46:01,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:46:01,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:46:01,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:46:01,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:46:01,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:46:01,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:46:01,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:46:01,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:46:01,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:46:01,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:46:01,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:46:01,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:46:01,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:46:01,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:46:01,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:46:01,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:46:01,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:46:01,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:46:01,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:46:01,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:46:01,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:46:01,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:46:01,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 08:46:01,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:46:01,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:46:01,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:46:01,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:46:01,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:46:01,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:46:01,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:46:01,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:46:01,727 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:46:01,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:46:01,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:46:01,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 08:46:01,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:46:01,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:46:01,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:46:01,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:46:01,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:46:01,729 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:46:01,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:46:01,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:46:01,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:46:01,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:46:01,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:46:01,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:46:01,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:46:01,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:46:01,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:46:01,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:46:01,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 08:46:01,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 08:46:01,732 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:46:01,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:46:01,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:46:01,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:46:01,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94a3c9718d8b0819c3a22a45f77fd4dac96406e3aa7eff964888695d6121efac [2021-12-15 08:46:01,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:46:02,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:46:02,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:46:02,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:46:02,009 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:46:02,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c [2021-12-15 08:46:02,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed1cfe57/fe0328d41bc64e1f83f9e48386f4cfb6/FLAG872c094d6 [2021-12-15 08:46:02,530 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:46:02,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c [2021-12-15 08:46:02,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed1cfe57/fe0328d41bc64e1f83f9e48386f4cfb6/FLAG872c094d6 [2021-12-15 08:46:02,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed1cfe57/fe0328d41bc64e1f83f9e48386f4cfb6 [2021-12-15 08:46:02,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:46:02,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:46:02,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:46:02,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:46:02,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:46:02,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be25d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02, skipping insertion in model container [2021-12-15 08:46:02,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:46:02,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:46:02,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c[414,427] [2021-12-15 08:46:02,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:46:02,743 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:46:02,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c[414,427] [2021-12-15 08:46:02,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:46:02,770 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:46:02,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02 WrapperNode [2021-12-15 08:46:02,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:46:02,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:46:02,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:46:02,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:46:02,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,800 INFO L137 Inliner]: procedures = 15, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2021-12-15 08:46:02,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:46:02,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:46:02,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:46:02,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:46:02,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:46:02,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:46:02,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:46:02,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:46:02,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (1/1) ... [2021-12-15 08:46:02,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:46:02,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:46:02,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 08:46:02,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 08:46:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:46:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 08:46:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 08:46:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 08:46:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:46:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:46:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 08:46:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 08:46:02,939 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:46:02,941 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:46:03,084 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:46:03,090 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:46:03,090 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-15 08:46:03,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:46:03 BoogieIcfgContainer [2021-12-15 08:46:03,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:46:03,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:46:03,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:46:03,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:46:03,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:46:02" (1/3) ... [2021-12-15 08:46:03,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659535dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:46:03, skipping insertion in model container [2021-12-15 08:46:03,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:02" (2/3) ... [2021-12-15 08:46:03,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659535dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:46:03, skipping insertion in model container [2021-12-15 08:46:03,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:46:03" (3/3) ... [2021-12-15 08:46:03,099 INFO L111 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr.c [2021-12-15 08:46:03,104 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:46:03,104 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:46:03,168 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:46:03,174 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 08:46:03,187 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:46:03,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 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) [2021-12-15 08:46:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-15 08:46:03,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:46:03,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:46:03,223 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:46:03,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:46:03,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1143788744, now seen corresponding path program 1 times [2021-12-15 08:46:03,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:46:03,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44863033] [2021-12-15 08:46:03,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:46:03,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:46:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:46:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 08:46:03,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:46:03,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44863033] [2021-12-15 08:46:03,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44863033] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:46:03,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:46:03,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 08:46:03,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554123927] [2021-12-15 08:46:03,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:46:03,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 08:46:03,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:46:03,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 08:46:03,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 08:46:03,457 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-12-15 08:46:03,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:46:03,470 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-12-15 08:46:03,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 08:46:03,472 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-12-15 08:46:03,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:46:03,478 INFO L225 Difference]: With dead ends: 38 [2021-12-15 08:46:03,478 INFO L226 Difference]: Without dead ends: 16 [2021-12-15 08:46:03,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 08:46:03,485 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:46:03,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:46:03,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-15 08:46:03,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-15 08:46:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 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) [2021-12-15 08:46:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-12-15 08:46:03,517 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 9 [2021-12-15 08:46:03,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:46:03,518 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-12-15 08:46:03,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-12-15 08:46:03,518 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-12-15 08:46:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-15 08:46:03,519 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:46:03,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:46:03,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 08:46:03,520 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:46:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:46:03,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1809365643, now seen corresponding path program 1 times [2021-12-15 08:46:03,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:46:03,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79497722] [2021-12-15 08:46:03,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:46:03,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:46:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:46:03,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 08:46:03,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:46:03,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79497722] [2021-12-15 08:46:03,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79497722] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:46:03,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:46:03,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:46:03,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065731189] [2021-12-15 08:46:03,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:46:03,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 08:46:03,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:46:03,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 08:46:03,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 08:46:03,626 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-12-15 08:46:03,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:46:03,674 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2021-12-15 08:46:03,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 08:46:03,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-12-15 08:46:03,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:46:03,676 INFO L225 Difference]: With dead ends: 32 [2021-12-15 08:46:03,676 INFO L226 Difference]: Without dead ends: 22 [2021-12-15 08:46:03,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 08:46:03,682 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 20 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:46:03,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 14 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:46:03,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-15 08:46:03,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2021-12-15 08:46:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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) [2021-12-15 08:46:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-12-15 08:46:03,693 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 9 [2021-12-15 08:46:03,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:46:03,694 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-12-15 08:46:03,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-12-15 08:46:03,696 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-12-15 08:46:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-15 08:46:03,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:46:03,697 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:46:03,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 08:46:03,698 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:46:03,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:46:03,699 INFO L85 PathProgramCache]: Analyzing trace with hash 129067660, now seen corresponding path program 1 times [2021-12-15 08:46:03,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:46:03,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171697573] [2021-12-15 08:46:03,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:46:03,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:46:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:46:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 08:46:03,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:46:03,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171697573] [2021-12-15 08:46:03,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171697573] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 08:46:03,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593507777] [2021-12-15 08:46:03,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:46:03,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:46:03,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:46:03,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 08:46:03,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 08:46:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:46:03,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 08:46:03,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:46:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 08:46:04,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:46:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 08:46:04,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593507777] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:46:04,064 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 08:46:04,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2021-12-15 08:46:04,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260548375] [2021-12-15 08:46:04,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 08:46:04,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-15 08:46:04,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:46:04,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-15 08:46:04,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-12-15 08:46:04,067 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 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) [2021-12-15 08:46:04,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:46:04,155 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2021-12-15 08:46:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 08:46:04,156 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-12-15 08:46:04,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:46:04,157 INFO L225 Difference]: With dead ends: 60 [2021-12-15 08:46:04,157 INFO L226 Difference]: Without dead ends: 49 [2021-12-15 08:46:04,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-12-15 08:46:04,159 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 98 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:46:04,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 28 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:46:04,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-12-15 08:46:04,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2021-12-15 08:46:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 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) [2021-12-15 08:46:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2021-12-15 08:46:04,165 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 15 [2021-12-15 08:46:04,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:46:04,165 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2021-12-15 08:46:04,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 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) [2021-12-15 08:46:04,166 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2021-12-15 08:46:04,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-15 08:46:04,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:46:04,167 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:46:04,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 08:46:04,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:46:04,384 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:46:04,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:46:04,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1998403887, now seen corresponding path program 2 times [2021-12-15 08:46:04,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:46:04,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629466718] [2021-12-15 08:46:04,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:46:04,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:46:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:46:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:46:04,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:46:04,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629466718] [2021-12-15 08:46:04,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629466718] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 08:46:04,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050155463] [2021-12-15 08:46:04,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-15 08:46:04,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:46:04,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:46:04,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 08:46:04,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 08:46:04,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-15 08:46:04,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-15 08:46:04,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-15 08:46:04,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:46:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:46:04,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:46:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:46:04,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050155463] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:46:04,882 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 08:46:04,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2021-12-15 08:46:04,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34359205] [2021-12-15 08:46:04,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 08:46:04,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-15 08:46:04,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:46:04,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-15 08:46:04,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=195, Unknown=0, NotChecked=0, Total=342 [2021-12-15 08:46:04,884 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 18 states have internal predecessors, (64), 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) [2021-12-15 08:46:05,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:46:05,136 INFO L93 Difference]: Finished difference Result 138 states and 153 transitions. [2021-12-15 08:46:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-15 08:46:05,137 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-12-15 08:46:05,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:46:05,140 INFO L225 Difference]: With dead ends: 138 [2021-12-15 08:46:05,141 INFO L226 Difference]: Without dead ends: 121 [2021-12-15 08:46:05,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=330, Unknown=0, NotChecked=0, Total=552 [2021-12-15 08:46:05,144 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 277 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:46:05,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 73 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:46:05,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-12-15 08:46:05,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2021-12-15 08:46:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.0422535211267605) internal successors, (74), 71 states have internal predecessors, (74), 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) [2021-12-15 08:46:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2021-12-15 08:46:05,168 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 33 [2021-12-15 08:46:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:46:05,168 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2021-12-15 08:46:05,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 18 states have internal predecessors, (64), 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) [2021-12-15 08:46:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2021-12-15 08:46:05,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-15 08:46:05,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:46:05,177 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:46:05,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 08:46:05,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-15 08:46:05,393 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:46:05,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:46:05,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1388546523, now seen corresponding path program 3 times [2021-12-15 08:46:05,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:46:05,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551371738] [2021-12-15 08:46:05,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:46:05,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:46:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:46:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-15 08:46:05,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:46:05,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551371738] [2021-12-15 08:46:05,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551371738] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 08:46:05,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409826227] [2021-12-15 08:46:05,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-15 08:46:05,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:46:05,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:46:05,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 08:46:05,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 08:46:07,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-15 08:46:07,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-15 08:46:07,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-15 08:46:07,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:46:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-15 08:46:07,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:46:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-15 08:46:08,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409826227] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:46:08,049 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 08:46:08,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 36 [2021-12-15 08:46:08,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823517640] [2021-12-15 08:46:08,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 08:46:08,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-12-15 08:46:08,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:46:08,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-12-15 08:46:08,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2021-12-15 08:46:08,052 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 37 states, 37 states have (on average 2.918918918918919) internal successors, (108), 36 states have internal predecessors, (108), 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) [2021-12-15 08:46:08,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:46:08,604 INFO L93 Difference]: Finished difference Result 294 states and 321 transitions. [2021-12-15 08:46:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-15 08:46:08,605 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.918918918918919) internal successors, (108), 36 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-12-15 08:46:08,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:46:08,607 INFO L225 Difference]: With dead ends: 294 [2021-12-15 08:46:08,607 INFO L226 Difference]: Without dead ends: 265 [2021-12-15 08:46:08,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2021-12-15 08:46:08,608 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 723 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 08:46:08,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [723 Valid, 143 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 08:46:08,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-12-15 08:46:08,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 144. [2021-12-15 08:46:08,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.020979020979021) internal successors, (146), 143 states have internal predecessors, (146), 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) [2021-12-15 08:46:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2021-12-15 08:46:08,620 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 69 [2021-12-15 08:46:08,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:46:08,621 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2021-12-15 08:46:08,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.918918918918919) internal successors, (108), 36 states have internal predecessors, (108), 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) [2021-12-15 08:46:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2021-12-15 08:46:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-15 08:46:08,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:46:08,623 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:46:08,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-15 08:46:08,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:46:08,847 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:46:08,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:46:08,848 INFO L85 PathProgramCache]: Analyzing trace with hash 552270319, now seen corresponding path program 4 times [2021-12-15 08:46:08,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:46:08,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327755260] [2021-12-15 08:46:08,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:46:08,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:46:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:46:09,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2021-12-15 08:46:09,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:46:09,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327755260] [2021-12-15 08:46:09,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327755260] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 08:46:09,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93889283] [2021-12-15 08:46:09,338 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-15 08:46:09,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:46:09,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:46:09,340 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 08:46:09,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-15 08:46:09,544 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-15 08:46:09,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-15 08:46:09,555 WARN L261 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 276 conjunts are in the unsatisfiable core [2021-12-15 08:46:09,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:46:09,628 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-15 08:46:09,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-12-15 08:46:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-15 08:46:09,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2021-12-15 08:46:09,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-15 08:46:09,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-12-15 08:46:09,913 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:09,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:10,039 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:10,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:10,148 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:10,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:10,263 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:10,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:10,407 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:10,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:10,546 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:10,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:10,672 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:10,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:10,771 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:10,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:10,895 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:10,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:11,006 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:11,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:11,112 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:11,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:11,224 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:11,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:11,339 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:11,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:11,460 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:11,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:11,578 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:11,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:11,722 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:11,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:11,843 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:11,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:12,017 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:12,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:12,146 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:12,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:12,272 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-15 08:46:12,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2021-12-15 08:46:12,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 29 [2021-12-15 08:46:12,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-12-15 08:46:12,650 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:12,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:12,877 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:12,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:13,095 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:13,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:13,310 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:13,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:13,476 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:13,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:13,678 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:13,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:13,844 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:13,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:14,068 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:14,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:14,285 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:14,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:14,509 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:14,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:14,736 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:14,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:14,963 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:14,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:15,139 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:15,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:15,371 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:15,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:15,592 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:15,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:15,792 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:15,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:16,038 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:16,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:16,205 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:16,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:16,431 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:16,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:16,660 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-15 08:46:16,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-12-15 08:46:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 1102 proven. 328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 08:46:16,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:46:21,214 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_117| Int)) (or (forall ((v_ArrVal_852 Int)) (= 0 (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-15 08:46:45,941 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_118| Int)) (or (forall ((v_ArrVal_852 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (= 0 (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))))) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-15 08:46:47,974 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (v_ArrVal_851 Int) (v_ArrVal_849 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int)) (or (= 0 (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-15 08:46:50,049 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (forall ((v_ArrVal_852 Int) (v_ArrVal_851 Int) (v_ArrVal_849 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int)) (or (= 0 (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))))) is different from false [2021-12-15 08:46:52,109 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (v_ArrVal_851 Int) (v_ArrVal_849 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (= 0 (select (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))) is different from false [2021-12-15 08:46:54,241 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_120| Int)) (or (forall ((v_ArrVal_852 Int) (v_ArrVal_851 Int) (v_ArrVal_849 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (= 0 (select (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-15 08:46:56,333 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (v_ArrVal_849 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (v_ArrVal_844 Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (= 0 (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_844) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-15 08:46:58,491 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_121| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (forall ((v_ArrVal_852 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (v_ArrVal_849 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (v_ArrVal_844 Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (= 0 (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_121| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_844) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))))) is different from false [2021-12-15 08:47:00,588 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (v_ArrVal_849 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (v_ArrVal_844 Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_842 Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (= 0 (select (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_842) (+ (* |v_ULTIMATE.start_main_~i~0#1_121| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_844) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))) is different from false [2021-12-15 08:47:02,795 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_122| Int)) (or (forall ((v_ArrVal_852 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (v_ArrVal_849 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (v_ArrVal_844 Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_842 Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (= 0 (select (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_122| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_842) (+ (* |v_ULTIMATE.start_main_~i~0#1_121| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_844) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-15 08:47:04,926 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_849 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_842 Int) (v_ArrVal_841 Int) (v_ArrVal_852 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (= 0 (select (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_841) (+ (* |v_ULTIMATE.start_main_~i~0#1_122| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_842) (+ (* |v_ULTIMATE.start_main_~i~0#1_121| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_844) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))) is different from false [2021-12-15 08:47:07,167 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_123| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_123| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (forall ((v_ArrVal_849 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_842 Int) (v_ArrVal_841 Int) (v_ArrVal_852 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (= 0 (select (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_123| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_841) (+ (* |v_ULTIMATE.start_main_~i~0#1_122| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_842) (+ (* |v_ULTIMATE.start_main_~i~0#1_121| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_844) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |v_ULTIMATE.start_main_~i~0#1_123| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))))) is different from false [2021-12-15 08:47:09,339 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_839 Int) (v_ArrVal_849 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_842 Int) (v_ArrVal_841 Int) (v_ArrVal_852 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (= 0 (select (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_839) (+ (* |v_ULTIMATE.start_main_~i~0#1_123| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_841) (+ (* |v_ULTIMATE.start_main_~i~0#1_122| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_842) (+ (* |v_ULTIMATE.start_main_~i~0#1_121| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_844) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_123| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |v_ULTIMATE.start_main_~i~0#1_123| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))) is different from false [2021-12-15 08:47:11,642 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_124| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_124| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (forall ((v_ArrVal_839 Int) (v_ArrVal_849 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_842 Int) (v_ArrVal_841 Int) (v_ArrVal_852 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (= 0 (select (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_124| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_839) (+ (* |v_ULTIMATE.start_main_~i~0#1_123| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_841) (+ (* |v_ULTIMATE.start_main_~i~0#1_122| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_842) (+ (* |v_ULTIMATE.start_main_~i~0#1_121| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_844) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_123| (+ |v_ULTIMATE.start_main_~i~0#1_124| 1)) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |v_ULTIMATE.start_main_~i~0#1_123| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))))) is different from false [2021-12-15 08:47:13,808 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_839 Int) (v_ArrVal_849 Int) (v_ArrVal_836 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_842 Int) (v_ArrVal_841 Int) (v_ArrVal_852 Int) (|v_ULTIMATE.start_main_~i~0#1_124| Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_124| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (= 0 (select (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_836) (+ (* |v_ULTIMATE.start_main_~i~0#1_124| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_839) (+ (* |v_ULTIMATE.start_main_~i~0#1_123| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_841) (+ (* |v_ULTIMATE.start_main_~i~0#1_122| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_842) (+ (* |v_ULTIMATE.start_main_~i~0#1_121| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_844) (+ (* |v_ULTIMATE.start_main_~i~0#1_120| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_846) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_849) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ (* |v_ULTIMATE.start_main_~i~0#1_117| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_123| (+ |v_ULTIMATE.start_main_~i~0#1_124| 1)) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |v_ULTIMATE.start_main_~i~0#1_123| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)))) is different from false