./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array17_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array17_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:27:46,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:27:46,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:27:46,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:27:46,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:27:46,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:27:47,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:27:47,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:27:47,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:27:47,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:27:47,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:27:47,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:27:47,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:27:47,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:27:47,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:27:47,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:27:47,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:27:47,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:27:47,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:27:47,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:27:47,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:27:47,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:27:47,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:27:47,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:27:47,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:27:47,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:27:47,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:27:47,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:27:47,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:27:47,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:27:47,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:27:47,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:27:47,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:27:47,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:27:47,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:27:47,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:27:47,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:27:47,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:27:47,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:27:47,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:27:47,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:27:47,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 01:27:47,130 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:27:47,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:27:47,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:27:47,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:27:47,132 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:27:47,132 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:27:47,132 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:27:47,132 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:27:47,139 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:27:47,139 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:27:47,140 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:27:47,140 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:27:47,141 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:27:47,141 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:27:47,141 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:27:47,142 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:27:47,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:27:47,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:27:47,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:27:47,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:27:47,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:27:47,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:27:47,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:27:47,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:27:47,144 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:27:47,144 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:27:47,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:27:47,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:27:47,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:27:47,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:27:47,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:27:47,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:27:47,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:27:47,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:27:47,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:27:47,148 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:27:47,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:27:47,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:27:47,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:27:47,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:27:47,149 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 [2021-11-13 01:27:47,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:27:47,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:27:47,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:27:47,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:27:47,497 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:27:47,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-patterns/array17_pattern.c [2021-11-13 01:27:47,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/data/62fd4610d/37940ea1f3e84c32af884409e672ba47/FLAGf7cec2a3d [2021-11-13 01:27:48,052 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:27:48,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/sv-benchmarks/c/array-patterns/array17_pattern.c [2021-11-13 01:27:48,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/data/62fd4610d/37940ea1f3e84c32af884409e672ba47/FLAGf7cec2a3d [2021-11-13 01:27:48,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/data/62fd4610d/37940ea1f3e84c32af884409e672ba47 [2021-11-13 01:27:48,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:27:48,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:27:48,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:27:48,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:27:48,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:27:48,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eaba8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48, skipping insertion in model container [2021-11-13 01:27:48,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:27:48,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:27:48,742 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2021-11-13 01:27:48,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:27:48,771 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:27:48,783 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2021-11-13 01:27:48,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:27:48,810 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:27:48,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48 WrapperNode [2021-11-13 01:27:48,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:27:48,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:27:48,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:27:48,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:27:48,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:27:48,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:27:48,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:27:48,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:27:48,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:27:48,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:27:48,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:27:48,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:27:48,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (1/1) ... [2021-11-13 01:27:48,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:27:48,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:27:48,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:27:48,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:27:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 01:27:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 01:27:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:27:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:27:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:27:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:27:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:27:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:27:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:27:49,283 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:27:49,283 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 01:27:49,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:27:49 BoogieIcfgContainer [2021-11-13 01:27:49,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:27:49,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:27:49,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:27:49,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:27:49,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:27:48" (1/3) ... [2021-11-13 01:27:49,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9435c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:27:49, skipping insertion in model container [2021-11-13 01:27:49,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:48" (2/3) ... [2021-11-13 01:27:49,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9435c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:27:49, skipping insertion in model container [2021-11-13 01:27:49,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:27:49" (3/3) ... [2021-11-13 01:27:49,294 INFO L111 eAbstractionObserver]: Analyzing ICFG array17_pattern.c [2021-11-13 01:27:49,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:27:49,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:27:49,350 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:27:49,357 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:27:49,357 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:27:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 01:27:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:27:49,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:27:49,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:27:49,422 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:27:49,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:27:49,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2071670553, now seen corresponding path program 1 times [2021-11-13 01:27:49,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:27:49,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243851851] [2021-11-13 01:27:49,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:49,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:27:49,588 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:27:49,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [705025540] [2021-11-13 01:27:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:49,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:27:49,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:27:49,594 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:27:49,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 01:27:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:27:49,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 01:27:49,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:27:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:27:49,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:27:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:27:49,848 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:27:49,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243851851] [2021-11-13 01:27:49,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:27:49,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705025540] [2021-11-13 01:27:49,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705025540] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:27:49,850 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:27:49,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 01:27:49,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585342854] [2021-11-13 01:27:49,853 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:27:49,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:27:49,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:27:49,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:27:49,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:27:49,901 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 01:27:49,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:27:49,942 INFO L93 Difference]: Finished difference Result 28 states and 38 transitions. [2021-11-13 01:27:49,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:27:49,945 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-13 01:27:49,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:27:49,952 INFO L225 Difference]: With dead ends: 28 [2021-11-13 01:27:49,953 INFO L226 Difference]: Without dead ends: 18 [2021-11-13 01:27:49,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:27:49,960 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.66ms IncrementalHoareTripleChecker+Time [2021-11-13 01:27:49,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 10 Unknown, 0 Unchecked, 0.74ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 21.66ms Time] [2021-11-13 01:27:49,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-13 01:27:49,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-13 01:27:49,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 01:27:49,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-11-13 01:27:49,998 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 11 [2021-11-13 01:27:50,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:27:50,000 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-13 01:27:50,000 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 01:27:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-13 01:27:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 01:27:50,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:27:50,003 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:27:50,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:27:50,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:27:50,227 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:27:50,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:27:50,228 INFO L85 PathProgramCache]: Analyzing trace with hash 916633033, now seen corresponding path program 1 times [2021-11-13 01:27:50,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:27:50,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961041755] [2021-11-13 01:27:50,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:50,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:27:50,244 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:27:50,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445850879] [2021-11-13 01:27:50,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:50,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:27:50,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:27:50,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:27:50,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 01:27:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:27:50,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:27:50,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:27:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 01:27:50,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:27:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 01:27:50,586 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:27:50,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961041755] [2021-11-13 01:27:50,586 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:27:50,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445850879] [2021-11-13 01:27:50,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445850879] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:27:50,587 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:27:50,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-13 01:27:50,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184743698] [2021-11-13 01:27:50,588 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:27:50,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:27:50,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:27:50,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:27:50,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:27:50,591 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-13 01:27:50,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:27:50,640 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2021-11-13 01:27:50,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:27:50,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 19 [2021-11-13 01:27:50,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:27:50,642 INFO L225 Difference]: With dead ends: 23 [2021-11-13 01:27:50,642 INFO L226 Difference]: Without dead ends: 20 [2021-11-13 01:27:50,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:27:50,644 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.67ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.11ms IncrementalHoareTripleChecker+Time [2021-11-13 01:27:50,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 43 Invalid, 29 Unknown, 0 Unchecked, 1.67ms Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 33.11ms Time] [2021-11-13 01:27:50,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-13 01:27:50,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-13 01:27:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 01:27:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-11-13 01:27:50,652 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 27 transitions. Word has length 19 [2021-11-13 01:27:50,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:27:50,652 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-11-13 01:27:50,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-13 01:27:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-13 01:27:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 01:27:50,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:27:50,654 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:27:50,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:27:50,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:27:50,878 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:27:50,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:27:50,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1792495404, now seen corresponding path program 1 times [2021-11-13 01:27:50,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:27:50,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589235144] [2021-11-13 01:27:50,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:50,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:27:50,894 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:27:50,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033399934] [2021-11-13 01:27:50,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:50,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:27:50,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:27:50,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:27:50,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 01:27:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:27:50,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:27:50,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:27:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 01:27:51,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:27:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 01:27:51,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:27:51,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589235144] [2021-11-13 01:27:51,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:27:51,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033399934] [2021-11-13 01:27:51,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033399934] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:27:51,131 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:27:51,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-13 01:27:51,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716953109] [2021-11-13 01:27:51,132 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:27:51,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:27:51,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:27:51,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:27:51,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:27:51,137 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:27:51,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:27:51,259 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2021-11-13 01:27:51,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:27:51,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 22 [2021-11-13 01:27:51,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:27:51,263 INFO L225 Difference]: With dead ends: 41 [2021-11-13 01:27:51,263 INFO L226 Difference]: Without dead ends: 25 [2021-11-13 01:27:51,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:27:51,268 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 21 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.12ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.30ms IncrementalHoareTripleChecker+Time [2021-11-13 01:27:51,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 35 Invalid, 73 Unknown, 0 Unchecked, 3.12ms Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 77.30ms Time] [2021-11-13 01:27:51,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-13 01:27:51,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2021-11-13 01:27:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 01:27:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-11-13 01:27:51,287 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 28 transitions. Word has length 22 [2021-11-13 01:27:51,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:27:51,287 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-11-13 01:27:51,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:27:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-13 01:27:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:27:51,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:27:51,291 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:27:51,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:27:51,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:27:51,506 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:27:51,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:27:51,506 INFO L85 PathProgramCache]: Analyzing trace with hash -957199016, now seen corresponding path program 1 times [2021-11-13 01:27:51,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:27:51,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490394104] [2021-11-13 01:27:51,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:51,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:27:51,533 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:27:51,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [615619437] [2021-11-13 01:27:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:51,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:27:51,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:27:51,550 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:27:51,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 01:27:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:27:51,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:27:51,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:27:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 01:27:51,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:27:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 01:27:51,767 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:27:51,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490394104] [2021-11-13 01:27:51,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:27:51,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615619437] [2021-11-13 01:27:51,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615619437] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:27:51,768 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:27:51,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-13 01:27:51,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332060078] [2021-11-13 01:27:51,768 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:27:51,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:27:51,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:27:51,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:27:51,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:27:51,772 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:27:51,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:27:51,863 INFO L93 Difference]: Finished difference Result 40 states and 55 transitions. [2021-11-13 01:27:51,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:27:51,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2021-11-13 01:27:51,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:27:51,865 INFO L225 Difference]: With dead ends: 40 [2021-11-13 01:27:51,865 INFO L226 Difference]: Without dead ends: 23 [2021-11-13 01:27:51,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:27:51,866 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.15ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.35ms IncrementalHoareTripleChecker+Time [2021-11-13 01:27:51,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 41 Invalid, 40 Unknown, 0 Unchecked, 3.15ms Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 68.35ms Time] [2021-11-13 01:27:51,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-13 01:27:51,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-13 01:27:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 01:27:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-11-13 01:27:51,872 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 24 [2021-11-13 01:27:51,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:27:51,873 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-13 01:27:51,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:27:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-11-13 01:27:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 01:27:51,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:27:51,880 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:27:51,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:27:52,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:27:52,094 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:27:52,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:27:52,094 INFO L85 PathProgramCache]: Analyzing trace with hash 566593900, now seen corresponding path program 1 times [2021-11-13 01:27:52,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:27:52,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335296038] [2021-11-13 01:27:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:52,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:27:52,132 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:27:52,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665854104] [2021-11-13 01:27:52,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:27:52,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:27:52,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:27:52,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:27:52,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a546864c-d6f5-4d18-ae79-6e16cc96e92b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 01:27:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:27:52,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 01:27:52,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:27:52,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2021-11-13 01:27:52,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2021-11-13 01:27:53,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 576 treesize of output 562 [2021-11-13 01:27:54,256 INFO L354 Elim1Store]: treesize reduction 5461, result has 8.2 percent of original size [2021-11-13 01:27:54,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 49 case distinctions, treesize of input 806 treesize of output 1111 [2021-11-13 01:27:55,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:55,552 INFO L354 Elim1Store]: treesize reduction 36, result has 58.6 percent of original size [2021-11-13 01:27:55,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 169 treesize of output 151 [2021-11-13 01:27:55,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:55,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:55,763 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:27:55,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 134 treesize of output 109 [2021-11-13 01:27:56,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:27:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,083 INFO L354 Elim1Store]: treesize reduction 41, result has 52.9 percent of original size [2021-11-13 01:27:56,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 409 treesize of output 362 [2021-11-13 01:27:56,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,320 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:27:56,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 271 treesize of output 244 [2021-11-13 01:27:56,479 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:27:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:56,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 187 [2021-11-13 01:27:56,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:27:56,960 INFO L354 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2021-11-13 01:27:56,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 97 treesize of output 34 [2021-11-13 01:27:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:57,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:57,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:57,042 INFO L354 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2021-11-13 01:27:57,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 50 [2021-11-13 01:27:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:27:57,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:27:57,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 37 [2021-11-13 01:27:57,518 INFO L354 Elim1Store]: treesize reduction 28, result has 9.7 percent of original size [2021-11-13 01:27:57,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 75 treesize of output 39 [2021-11-13 01:27:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:27:57,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:28:28,212 WARN L227 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 01:35:48,159 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4| Int)) (or (let ((.cse6 (mod c_~ARR_SIZE~0 4294967296))) (let ((.cse21 (mod (+ 4294967295 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_4| 4294967295) c_~ARR_SIZE~0) 4294967296)) (.cse16 (* .cse6 4))) (let ((.cse15 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_4| 4)) (.cse19 (* |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_3| (+ (- 17179869184) .cse16))) (.cse10 (* .cse21 4))) (let ((.cse1 (= |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_4| |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_3|)) (.cse3 (+ .cse19 .cse10 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) (.cse4 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4|)) (.cse5 (+ .cse19 .cse15 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|))) (and (let ((.cse0 (+ |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| (select (let ((.cse2 (store .cse4 .cse5 (select .cse4 .cse5)))) (store .cse2 .cse3 (select .cse2 .cse3))) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)))) (or (= .cse0 0) (= .cse0 1) .cse1)) (or (not .cse1) (let ((.cse14 (<= .cse21 2147483647)) (.cse8 (< 2147483647 .cse21)) (.cse12 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4|))) (and (or (< 2147483647 .cse6) (let ((.cse11 (* |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_3| .cse16))) (let ((.cse9 (store .cse4 (+ .cse11 .cse15 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4|))) (and (let ((.cse7 (+ |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| (select (store .cse9 (+ .cse10 .cse11 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) .cse12) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)))) (or (= .cse7 1) .cse8 (= .cse7 0))) (let ((.cse13 (+ (select (store .cse9 (+ (- 17179869184) .cse10 .cse11 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) .cse12) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8|))) (or (= .cse13 1) .cse14 (= .cse13 0))))))) (or (<= .cse6 2147483647) (let ((.cse18 (store .cse4 .cse5 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4|))) (and (let ((.cse17 (+ (select (store .cse18 (+ .cse19 (- 17179869184) .cse10 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) .cse12) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8|))) (or (= .cse17 1) .cse14 (= .cse17 0))) (let ((.cse20 (+ (select (store .cse18 .cse3 .cse12) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8|))) (or (= .cse20 1) (= .cse20 0) .cse8))))))))))))) (exists ((|ULTIMATE.start_main_~index1~0#1| Int)) (and (let ((.cse34 (mod c_~ARR_SIZE~0 4294967296))) (let ((.cse40 (* .cse34 4)) (.cse41 (mod (+ 4294967295 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_4| 4294967295) c_~ARR_SIZE~0) 4294967296))) (let ((.cse39 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_4| 4)) (.cse26 (* .cse41 4)) (.cse27 (* |ULTIMATE.start_main_~index1~0#1| (+ (- 17179869184) .cse40)))) (let ((.cse22 (= |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_4| |ULTIMATE.start_main_~index1~0#1|)) (.cse31 (+ .cse26 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4| .cse27)) (.cse32 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4|)) (.cse33 (+ .cse39 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4| .cse27))) (or (and .cse22 (let ((.cse24 (< 2147483647 .cse41)) (.cse29 (<= .cse41 2147483647)) (.cse28 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4|))) (or (and (let ((.cse25 (store .cse32 .cse33 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4|))) (or (let ((.cse23 (+ (select (store .cse25 (+ (- 17179869184) .cse26 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4| .cse27) .cse28) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8|))) (and (not (= .cse23 1)) .cse24 (not (= .cse23 0)))) (let ((.cse30 (+ (select (store .cse25 .cse31 .cse28) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8|))) (and .cse29 (not (= .cse30 1)) (not (= .cse30 0)))))) (< 2147483647 .cse34)) (and (<= .cse34 2147483647) (let ((.cse37 (* |ULTIMATE.start_main_~index1~0#1| .cse40))) (let ((.cse36 (store .cse32 (+ .cse37 .cse39 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_4|))) (or (let ((.cse35 (+ |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| (select (store .cse36 (+ (- 17179869184) .cse26 .cse37 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) .cse28) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)))) (and (not (= .cse35 1)) .cse24 (not (= .cse35 0)))) (let ((.cse38 (+ (select (store .cse36 (+ .cse26 .cse37 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) .cse28) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8|))) (and (not (= .cse38 1)) .cse29 (not (= .cse38 0))))))))))) (let ((.cse42 (+ |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| (select (let ((.cse43 (store .cse32 .cse33 (select .cse32 .cse33)))) (store .cse43 .cse31 (select .cse43 .cse31))) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)))) (and (not .cse22) (not (= .cse42 0)) (not (= .cse42 1))))))))) (<= 0 |ULTIMATE.start_main_~index1~0#1|) (< |ULTIMATE.start_main_~index1~0#1| c_~ARR_SIZE~0))) (and (or (< |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_3| 0) (<= c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_3|) (not (= |c_assume_abort_if_not_#in~cond| 1))) (or (not (= |c_assume_abort_if_not_#in~cond| 0)) (and (<= 0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_3|) (< |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_3| c_~ARR_SIZE~0)))))) is different from true [2021-11-13 01:38:00,809 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:00,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 795 treesize of output 795 [2021-11-13 01:38:12,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 4 [2021-11-13 01:38:13,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 4 [2021-11-13 01:38:25,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 771 treesize of output 735 [2021-11-13 01:38:34,860 WARN L227 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 01:38:34,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:34,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2915 treesize of output 2989