./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array23_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-patterns/array23_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc --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 e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:35:37,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:35:37,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:35:37,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:35:37,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:35:37,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:35:37,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:35:37,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:35:37,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:35:37,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:35:37,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:35:37,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:35:37,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:35:37,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:35:37,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:35:37,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:35:37,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:35:37,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:35:37,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:35:37,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:35:37,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:35:37,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:35:37,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:35:37,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:35:37,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:35:37,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:35:37,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:35:37,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:35:37,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:35:37,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:35:37,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:35:37,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:35:37,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:35:37,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:35:37,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:35:37,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:35:37,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:35:37,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:35:37,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:35:37,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:35:37,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:35:37,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:35:37,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:35:37,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:35:37,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:35:37,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:35:37,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:35:37,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:35:37,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:35:37,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:35:37,123 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:35:37,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:35:37,125 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:35:37,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:35:37,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:35:37,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:35:37,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:35:37,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:35:37,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:35:37,126 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:35:37,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:35:37,127 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:35:37,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:35:37,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:35:37,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:35:37,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:35:37,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:37,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:35:37,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:35:37,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:35:37,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:35:37,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:35:37,129 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:35:37,129 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:35:37,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:35:37,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2022-11-02 20:35:37,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:35:37,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:35:37,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:35:37,443 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:35:37,444 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:35:37,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/array-patterns/array23_pattern.c [2022-11-02 20:35:37,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/data/606156914/fb926bd90d954ac189d0b6b76e74984b/FLAGd71273679 [2022-11-02 20:35:37,997 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:35:37,997 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/sv-benchmarks/c/array-patterns/array23_pattern.c [2022-11-02 20:35:38,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/data/606156914/fb926bd90d954ac189d0b6b76e74984b/FLAGd71273679 [2022-11-02 20:35:38,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/data/606156914/fb926bd90d954ac189d0b6b76e74984b [2022-11-02 20:35:38,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:35:38,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:35:38,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:38,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:35:38,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:35:38,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61658d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38, skipping insertion in model container [2022-11-02 20:35:38,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:35:38,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:38,620 WARN L230 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_3bafe25e-abce-4e18-a395-237d036a95a1/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2022-11-02 20:35:38,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:38,680 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:35:38,703 WARN L230 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_3bafe25e-abce-4e18-a395-237d036a95a1/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2022-11-02 20:35:38,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:38,753 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:35:38,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38 WrapperNode [2022-11-02 20:35:38,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:38,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:38,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:35:38,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:35:38,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,818 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-11-02 20:35:38,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:38,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:35:38,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:35:38,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:35:38,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,866 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:35:38,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:35:38,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:35:38,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:35:38,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:38,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:38,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:38,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:35:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-11-02 20:35:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-11-02 20:35:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:35:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:35:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:35:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:35:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:35:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:35:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:35:38,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:35:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:35:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:35:39,074 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:35:39,077 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:35:39,399 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:35:39,405 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:35:39,406 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-02 20:35:39,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:39 BoogieIcfgContainer [2022-11-02 20:35:39,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:35:39,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:35:39,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:35:39,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:35:39,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:35:38" (1/3) ... [2022-11-02 20:35:39,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ada2086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:39, skipping insertion in model container [2022-11-02 20:35:39,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (2/3) ... [2022-11-02 20:35:39,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ada2086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:39, skipping insertion in model container [2022-11-02 20:35:39,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:39" (3/3) ... [2022-11-02 20:35:39,433 INFO L112 eAbstractionObserver]: Analyzing ICFG array23_pattern.c [2022-11-02 20:35:39,456 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:35:39,457 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:35:39,544 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:35:39,554 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ea5fab3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:35:39,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:35:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 32 states have (on average 1.53125) internal successors, (49), 33 states have internal predecessors, (49), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:35:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-02 20:35:39,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:39,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:39,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:39,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:39,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1798908762, now seen corresponding path program 1 times [2022-11-02 20:35:39,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:39,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805029917] [2022-11-02 20:35:39,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:39,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:39,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805029917] [2022-11-02 20:35:39,749 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-02 20:35:39,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806690033] [2022-11-02 20:35:39,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:39,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:39,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:39,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:39,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:35:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 20:35:39,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:35:39,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:39,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806690033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:39,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:39,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:35:39,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543408348] [2022-11-02 20:35:39,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:39,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:35:39,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:39,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:35:39,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:35:39,956 INFO L87 Difference]: Start difference. First operand has 41 states, 32 states have (on average 1.53125) internal successors, (49), 33 states have internal predecessors, (49), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-02 20:35:39,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:39,995 INFO L93 Difference]: Finished difference Result 79 states and 117 transitions. [2022-11-02 20:35:39,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:35:40,001 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 15 [2022-11-02 20:35:40,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:40,013 INFO L225 Difference]: With dead ends: 79 [2022-11-02 20:35:40,013 INFO L226 Difference]: Without dead ends: 37 [2022-11-02 20:35:40,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:35:40,023 INFO L413 NwaCegarLoop]: 51 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, 51 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 [2022-11-02 20:35:40,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:40,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-02 20:35:40,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-02 20:35:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:35:40,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2022-11-02 20:35:40,077 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 15 [2022-11-02 20:35:40,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:40,078 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2022-11-02 20:35:40,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-02 20:35:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2022-11-02 20:35:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-02 20:35:40,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:40,084 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:40,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:40,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:40,299 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:40,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:40,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1909329698, now seen corresponding path program 1 times [2022-11-02 20:35:40,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:40,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406957481] [2022-11-02 20:35:40,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:40,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:40,334 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:40,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1363259607] [2022-11-02 20:35:40,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:40,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:40,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:40,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:40,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:35:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:40,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:35:40,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-02 20:35:40,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:40,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:40,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406957481] [2022-11-02 20:35:40,549 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:35:40,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363259607] [2022-11-02 20:35:40,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363259607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:40,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:40,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:35:40,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258075056] [2022-11-02 20:35:40,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:40,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:35:40,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:40,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:35:40,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:35:40,552 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:35:40,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:40,580 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2022-11-02 20:35:40,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:35:40,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2022-11-02 20:35:40,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:40,582 INFO L225 Difference]: With dead ends: 44 [2022-11-02 20:35:40,582 INFO L226 Difference]: Without dead ends: 40 [2022-11-02 20:35:40,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:40,584 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 12 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:40,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 110 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:40,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-02 20:35:40,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-02 20:35:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:35:40,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2022-11-02 20:35:40,593 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 42 [2022-11-02 20:35:40,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:40,594 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2022-11-02 20:35:40,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:35:40,595 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-11-02 20:35:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-02 20:35:40,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:40,596 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:40,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:40,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-02 20:35:40,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:40,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:40,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1786751912, now seen corresponding path program 1 times [2022-11-02 20:35:40,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:40,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12820805] [2022-11-02 20:35:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:40,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:40,832 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:40,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051207215] [2022-11-02 20:35:40,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:40,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:40,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:40,834 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:40,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:35:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:40,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:40,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 20:35:41,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:41,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:41,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12820805] [2022-11-02 20:35:41,069 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:35:41,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051207215] [2022-11-02 20:35:41,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051207215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:41,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:41,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:35:41,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250551893] [2022-11-02 20:35:41,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:41,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:41,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:41,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:41,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:41,072 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-11-02 20:35:41,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:41,201 INFO L93 Difference]: Finished difference Result 83 states and 106 transitions. [2022-11-02 20:35:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:35:41,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 47 [2022-11-02 20:35:41,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:41,204 INFO L225 Difference]: With dead ends: 83 [2022-11-02 20:35:41,207 INFO L226 Difference]: Without dead ends: 50 [2022-11-02 20:35:41,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:41,209 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 25 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:41,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 114 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:41,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-02 20:35:41,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2022-11-02 20:35:41,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:35:41,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2022-11-02 20:35:41,229 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 47 [2022-11-02 20:35:41,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:41,230 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2022-11-02 20:35:41,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-11-02 20:35:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-11-02 20:35:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 20:35:41,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:41,234 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:41,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:41,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:41,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:41,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:41,454 INFO L85 PathProgramCache]: Analyzing trace with hash -2075657686, now seen corresponding path program 1 times [2022-11-02 20:35:41,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:41,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360958230] [2022-11-02 20:35:41,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:41,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:41,487 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:41,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715951728] [2022-11-02 20:35:41,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:41,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:41,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:41,492 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:41,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:35:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:41,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:35:41,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-02 20:35:41,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:41,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:41,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360958230] [2022-11-02 20:35:41,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:35:41,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715951728] [2022-11-02 20:35:41,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715951728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:41,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:41,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:35:41,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273649651] [2022-11-02 20:35:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:41,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:35:41,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:41,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:35:41,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:35:41,651 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-02 20:35:41,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:41,745 INFO L93 Difference]: Finished difference Result 80 states and 103 transitions. [2022-11-02 20:35:41,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:35:41,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 50 [2022-11-02 20:35:41,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:41,746 INFO L225 Difference]: With dead ends: 80 [2022-11-02 20:35:41,747 INFO L226 Difference]: Without dead ends: 44 [2022-11-02 20:35:41,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:41,748 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:41,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 77 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:41,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-02 20:35:41,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2022-11-02 20:35:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:35:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2022-11-02 20:35:41,756 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 50 [2022-11-02 20:35:41,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:41,756 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2022-11-02 20:35:41,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-02 20:35:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-02 20:35:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-02 20:35:41,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:41,758 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:41,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:41,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:41,967 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:41,968 INFO L85 PathProgramCache]: Analyzing trace with hash 874891816, now seen corresponding path program 1 times [2022-11-02 20:35:41,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:41,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958991056] [2022-11-02 20:35:41,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:41,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:41,991 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:41,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446843352] [2022-11-02 20:35:41,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:41,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:41,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:42,007 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:42,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:35:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:42,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:35:42,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-02 20:35:42,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:35:42,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:42,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958991056] [2022-11-02 20:35:42,300 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:35:42,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446843352] [2022-11-02 20:35:42,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446843352] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:35:42,300 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:35:42,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-02 20:35:42,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906615971] [2022-11-02 20:35:42,301 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:35:42,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:35:42,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:42,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:35:42,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:35:42,303 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:35:42,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:42,453 INFO L93 Difference]: Finished difference Result 87 states and 107 transitions. [2022-11-02 20:35:42,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:35:42,454 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-02 20:35:42,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:42,455 INFO L225 Difference]: With dead ends: 87 [2022-11-02 20:35:42,455 INFO L226 Difference]: Without dead ends: 51 [2022-11-02 20:35:42,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:35:42,456 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 56 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:42,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 89 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:42,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-02 20:35:42,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2022-11-02 20:35:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:35:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2022-11-02 20:35:42,466 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 52 [2022-11-02 20:35:42,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:42,467 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2022-11-02 20:35:42,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:35:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-11-02 20:35:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-02 20:35:42,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:42,469 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:42,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:42,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:42,685 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:42,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:42,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1211966936, now seen corresponding path program 2 times [2022-11-02 20:35:42,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:42,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401373168] [2022-11-02 20:35:42,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:42,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:42,703 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:42,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1719045438] [2022-11-02 20:35:42,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:35:42,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:42,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:42,708 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:42,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:35:42,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:35:42,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:35:42,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:35:42,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-02 20:35:42,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-02 20:35:42,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:42,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401373168] [2022-11-02 20:35:42,993 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:35:42,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719045438] [2022-11-02 20:35:42,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719045438] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:35:42,993 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:35:42,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-02 20:35:42,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564131064] [2022-11-02 20:35:42,994 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:35:42,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:35:42,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:42,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:35:42,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:35:42,999 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:35:43,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:43,238 INFO L93 Difference]: Finished difference Result 108 states and 130 transitions. [2022-11-02 20:35:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:35:43,239 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 56 [2022-11-02 20:35:43,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:43,242 INFO L225 Difference]: With dead ends: 108 [2022-11-02 20:35:43,242 INFO L226 Difference]: Without dead ends: 75 [2022-11-02 20:35:43,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:35:43,245 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:43,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 186 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:43,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-02 20:35:43,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 63. [2022-11-02 20:35:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:35:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2022-11-02 20:35:43,276 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 56 [2022-11-02 20:35:43,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:43,278 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2022-11-02 20:35:43,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:35:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-11-02 20:35:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-02 20:35:43,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:43,294 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:43,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:43,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:43,508 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:43,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:43,508 INFO L85 PathProgramCache]: Analyzing trace with hash -511912674, now seen corresponding path program 3 times [2022-11-02 20:35:43,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:43,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704243638] [2022-11-02 20:35:43,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:43,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:43,533 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:43,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1567784663] [2022-11-02 20:35:43,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 20:35:43,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:43,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:43,536 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:43,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafe25e-abce-4e18-a395-237d036a95a1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 20:35:44,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-11-02 20:35:44,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:35:44,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 97 conjunts are in the unsatisfiable core [2022-11-02 20:35:44,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:44,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 61 treesize of output 56 [2022-11-02 20:35:44,820 INFO L390 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 19 treesize of output 18 [2022-11-02 20:35:44,833 INFO L390 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 21 treesize of output 20 [2022-11-02 20:35:44,975 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 74 treesize of output 67 [2022-11-02 20:35:44,994 INFO L356 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-02 20:35:44,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-02 20:35:45,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:45,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:35:45,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:35:45,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 24 [2022-11-02 20:35:45,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 77 treesize of output 68 [2022-11-02 20:35:45,376 INFO L356 Elim1Store]: treesize reduction 152, result has 14.1 percent of original size [2022-11-02 20:35:45,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 150 [2022-11-02 20:35:45,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:45,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:35:45,472 INFO L356 Elim1Store]: treesize reduction 245, result has 0.4 percent of original size [2022-11-02 20:35:45,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 101 treesize of output 19 [2022-11-02 20:35:45,844 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 269 treesize of output 244 [2022-11-02 20:35:46,003 INFO L356 Elim1Store]: treesize reduction 356, result has 3.5 percent of original size [2022-11-02 20:35:46,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 624 treesize of output 671 [2022-11-02 20:35:46,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:46,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:46,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:46,402 INFO L356 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2022-11-02 20:35:46,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 26 [2022-11-02 20:36:12,289 WARN L234 SmtUtils]: Spent 14.13s 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) [2022-11-02 20:36:26,747 WARN L234 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 76 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:36:58,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 114 treesize of output 101 [2022-11-02 20:36:58,487 INFO L356 Elim1Store]: treesize reduction 467, result has 17.9 percent of original size [2022-11-02 20:36:58,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 100 treesize of output 237 [2022-11-02 20:36:58,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:36:58,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:36:58,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:36:58,873 INFO L356 Elim1Store]: treesize reduction 582, result has 17.7 percent of original size [2022-11-02 20:36:58,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 189 treesize of output 202 [2022-11-02 20:37:34,548 WARN L234 SmtUtils]: Spent 20.99s on a formula simplification. DAG size of input: 103 DAG size of output: 84 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:37:51,505 WARN L234 SmtUtils]: Spent 10.44s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:37:58,068 WARN L234 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:38:11,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 364 treesize of output 341 [2022-11-02 20:38:26,304 WARN L234 SmtUtils]: Spent 14.93s on a formula simplification. DAG size of input: 354 DAG size of output: 77 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-02 20:38:26,306 INFO L356 Elim1Store]: treesize reduction 2682, result has 8.8 percent of original size [2022-11-02 20:38:26,306 INFO L390 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 11 new quantified variables, introduced 49 case distinctions, treesize of input 344 treesize of output 1107 [2022-11-02 20:38:36,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:38:36,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:38:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:38:36,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:38:36,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:38:36,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:38:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:38:37,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:38:37,056 INFO L244 Elim1Store]: Index analysis took 492 ms [2022-11-02 20:38:37,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 442 [2022-11-02 20:38:52,547 WARN L833 $PredicateComparison]: unable to prove that (and (let ((.cse10 (mod c_~ARR_SIZE~0 4294967296))) (let ((.cse56 (mod 0 4294967296)) (.cse15 (* .cse10 4)) (.cse53 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296))) (let ((.cse55 (+ .cse53 (- 4294967296))) (.cse54 (+ (- 17179869184) .cse15)) (.cse57 (+ .cse56 (- 4294967296))) (.cse58 (+ (- 1) c_~ARR_SIZE~0))) (let ((.cse22 (* c_~ARR_SIZE~0 .cse10)) (.cse38 (+ (* .cse10 2) c_~ARR_SIZE~0)) (.cse12 (* .cse58 .cse15)) (.cse18 (* (* .cse10 .cse58) 4)) (.cse20 (* .cse15 .cse57)) (.cse19 (* .cse54 .cse57)) (.cse21 (* .cse56 .cse15)) (.cse7 (+ c_~ARR_SIZE~0 .cse10)) (.cse26 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| 4)) (.cse6 (* .cse15 .cse55)) (.cse5 (* .cse54 .cse55)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0#1.base|)) (.cse8 (* .cse53 .cse15))) (or (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse3 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse1 (+ .cse8 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse3))) (and (= (+ (select .cse0 .cse1) 1) 0) (< |ULTIMATE.start_main_~index2~0#1| c_~ARR_SIZE~0) (<= 0 |ULTIMATE.start_main_~index2~0#1|) (exists ((v_DerPreprocessor_11 Int) (v_prenex_2 Int)) (let ((.cse4 (+ .cse6 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse3))) (let ((.cse2 (store (store (store .cse0 .cse1 v_DerPreprocessor_11) (+ .cse5 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse3) v_prenex_2) .cse4 (- 1)))) (and (= (select .cse2 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse3)) 1) (= (store (store .cse0 .cse1 (select .cse2 .cse1)) .cse4 (- 1)) .cse2) (= (select .cse2 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| 4 .cse3)) 0))))) (<= .cse7 (+ |ULTIMATE.start_main_~index2~0#1| 2)))))) (let ((.cse13 (* 4 (* (- 1) c_~ARR_SIZE~0 .cse10))) (.cse14 (* 17179869184 c_~ARR_SIZE~0))) (let ((.cse9 (+ .cse22 4294967296)) (.cse16 (+ (- 17179869184) .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15 .cse21))) (and (<= .cse9 (+ .cse10 (* c_~ARR_SIZE~0 4294967296))) (exists ((v_DerPreprocessor_11 Int) (v_prenex_2 Int)) (let ((.cse17 (+ .cse20 (- 17179869184) .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15))) (let ((.cse11 (store (store (store .cse0 .cse16 v_DerPreprocessor_11) (+ (- 17179869184) .cse19 .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15) v_prenex_2) .cse17 (- 1)))) (and (= (select .cse11 (+ .cse12 (- 17179869184) .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15)) 1) (= (store (store .cse0 .cse16 (select .cse11 .cse16)) .cse17 (- 1)) .cse11) (= (select .cse11 (+ .cse18 .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15 (- 17179869180))) 0))))) (< (+ .cse10 (* c_~ARR_SIZE~0 4294967295)) .cse9) (= 0 (+ (select .cse0 .cse16) 1))))) (let ((.cse27 (+ .cse8 |c_ULTIMATE.start_main_~#array~0#1.offset| 4))) (and (exists ((v_DerPreprocessor_11 Int) (v_prenex_1 Int) (|v_ULTIMATE.start_main_~column~0#1_29| Int)) (let ((.cse28 (+ .cse6 |c_ULTIMATE.start_main_~#array~0#1.offset| 4)) (.cse29 (store .cse0 .cse27 v_DerPreprocessor_11)) (.cse30 (+ .cse5 |c_ULTIMATE.start_main_~#array~0#1.offset| 4))) (let ((.cse24 (* |v_ULTIMATE.start_main_~column~0#1_29| 4)) (.cse23 (store .cse29 .cse30 (- 1))) (.cse25 (store (store .cse29 .cse30 v_prenex_1) .cse28 (- 1)))) (and (= (select .cse23 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15 .cse24)) 0) (< |v_ULTIMATE.start_main_~column~0#1_29| c_~ARR_SIZE~0) (= (select .cse0 (+ (- 4) |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15 .cse24)) 0) (= (select .cse23 |c_ULTIMATE.start_main_~#array~0#1.offset|) 0) (= (select .cse25 .cse26) 1) (= .cse25 (store (store .cse0 .cse27 (select .cse25 .cse27)) .cse28 (- 1))) (<= c_~ARR_SIZE~0 (+ |v_ULTIMATE.start_main_~column~0#1_29| 1)))))) (< 1 c_~ARR_SIZE~0) (= (+ (select .cse0 .cse27) 1) 0))) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse33 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse34 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33 .cse21))) (and (exists ((v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int)) (let ((.cse35 (+ .cse20 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33)) (.cse36 (store .cse0 .cse34 v_DerPreprocessor_11)) (.cse37 (+ .cse19 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33))) (let ((.cse32 (store .cse36 .cse37 (- 1))) (.cse31 (store (store .cse36 .cse37 v_DerPreprocessor_9) .cse35 (- 1)))) (and (= (select .cse31 .cse26) 0) (= (select .cse32 (+ .cse18 (- 4) |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33)) 0) (= (select .cse32 |c_ULTIMATE.start_main_~#array~0#1.offset|) 0) (= (select .cse31 (+ .cse12 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33)) 1) (= .cse31 (store (store .cse0 .cse34 (select .cse31 .cse34)) .cse35 (- 1))))))) (<= .cse38 (+ |ULTIMATE.start_main_~index2~0#1| .cse22 1)) (= (+ (select .cse0 .cse34) 1) 0) (< |ULTIMATE.start_main_~index2~0#1| c_~ARR_SIZE~0) (<= 0 |ULTIMATE.start_main_~index2~0#1|))))) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse41 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse39 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse41 .cse21))) (and (= (+ (select .cse0 .cse39) 1) 0) (< |ULTIMATE.start_main_~index2~0#1| c_~ARR_SIZE~0) (<= 0 |ULTIMATE.start_main_~index2~0#1|) (< (+ |ULTIMATE.start_main_~index2~0#1| .cse22 1) .cse38) (exists ((v_DerPreprocessor_11 Int) (v_prenex_2 Int)) (let ((.cse42 (store .cse0 .cse39 v_DerPreprocessor_11)) (.cse43 (+ .cse19 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse41)) (.cse44 (+ .cse20 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse41))) (let ((.cse40 (store (store .cse42 .cse43 v_prenex_2) .cse44 (- 1)))) (and (= (select .cse40 (+ .cse12 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse41)) 1) (= (select .cse40 (+ .cse18 |c_ULTIMATE.start_main_~#array~0#1.offset| 4 .cse41)) 0) (= (select (store .cse42 .cse43 (- 1)) |c_ULTIMATE.start_main_~#array~0#1.offset|) 0) (= (select .cse40 .cse26) 0) (= (store (store .cse0 .cse39 (select .cse40 .cse39)) .cse44 (- 1)) .cse40))))))))) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse52 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse46 (* .cse53 .cse10)) (.cse45 (+ .cse8 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52))) (and (= (+ (select .cse0 .cse45) 1) 0) (< (+ |ULTIMATE.start_main_~index2~0#1| .cse46 1) .cse7) (<= 0 |ULTIMATE.start_main_~index2~0#1|) (exists ((v_DerPreprocessor_11 Int) (v_prenex_3 Int)) (let ((.cse49 (store .cse0 .cse45 v_DerPreprocessor_11)) (.cse50 (+ .cse5 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52)) (.cse48 (+ .cse6 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52))) (let ((.cse51 (* .cse46 4)) (.cse47 (store (store .cse49 .cse50 v_prenex_3) .cse48 (- 1)))) (and (= (store (store .cse0 .cse45 (select .cse47 .cse45)) .cse48 (- 1)) .cse47) (= (select (store .cse49 .cse50 (- 1)) (+ .cse51 |c_ULTIMATE.start_main_~#array~0#1.offset| 4 .cse52)) 0) (= (select .cse47 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52)) 1) (= (select .cse47 (+ .cse51 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52)) 0) (= (select .cse47 .cse26) 0)))))))))))))) (<= c_~ARR_SIZE~0 2) (= |c_ULTIMATE.start_main_~sum~0#1| 0)) is different from false [2022-11-02 20:38:56,843 WARN L833 $PredicateComparison]: unable to prove that (and (let ((.cse10 (mod c_~ARR_SIZE~0 4294967296))) (let ((.cse56 (mod 0 4294967296)) (.cse15 (* .cse10 4)) (.cse53 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296))) (let ((.cse55 (+ .cse53 (- 4294967296))) (.cse54 (+ (- 17179869184) .cse15)) (.cse57 (+ .cse56 (- 4294967296))) (.cse58 (+ (- 1) c_~ARR_SIZE~0))) (let ((.cse22 (* c_~ARR_SIZE~0 .cse10)) (.cse38 (+ (* .cse10 2) c_~ARR_SIZE~0)) (.cse12 (* .cse58 .cse15)) (.cse18 (* (* .cse10 .cse58) 4)) (.cse20 (* .cse15 .cse57)) (.cse19 (* .cse54 .cse57)) (.cse21 (* .cse56 .cse15)) (.cse7 (+ c_~ARR_SIZE~0 .cse10)) (.cse26 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| 4)) (.cse6 (* .cse15 .cse55)) (.cse5 (* .cse54 .cse55)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0#1.base|)) (.cse8 (* .cse53 .cse15))) (or (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse3 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse1 (+ .cse8 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse3))) (and (= (+ (select .cse0 .cse1) 1) 0) (< |ULTIMATE.start_main_~index2~0#1| c_~ARR_SIZE~0) (<= 0 |ULTIMATE.start_main_~index2~0#1|) (exists ((v_DerPreprocessor_11 Int) (v_prenex_2 Int)) (let ((.cse4 (+ .cse6 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse3))) (let ((.cse2 (store (store (store .cse0 .cse1 v_DerPreprocessor_11) (+ .cse5 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse3) v_prenex_2) .cse4 (- 1)))) (and (= (select .cse2 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse3)) 1) (= (store (store .cse0 .cse1 (select .cse2 .cse1)) .cse4 (- 1)) .cse2) (= (select .cse2 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| 4 .cse3)) 0))))) (<= .cse7 (+ |ULTIMATE.start_main_~index2~0#1| 2)))))) (let ((.cse13 (* 4 (* (- 1) c_~ARR_SIZE~0 .cse10))) (.cse14 (* 17179869184 c_~ARR_SIZE~0))) (let ((.cse9 (+ .cse22 4294967296)) (.cse16 (+ (- 17179869184) .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15 .cse21))) (and (<= .cse9 (+ .cse10 (* c_~ARR_SIZE~0 4294967296))) (exists ((v_DerPreprocessor_11 Int) (v_prenex_2 Int)) (let ((.cse17 (+ .cse20 (- 17179869184) .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15))) (let ((.cse11 (store (store (store .cse0 .cse16 v_DerPreprocessor_11) (+ (- 17179869184) .cse19 .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15) v_prenex_2) .cse17 (- 1)))) (and (= (select .cse11 (+ .cse12 (- 17179869184) .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15)) 1) (= (store (store .cse0 .cse16 (select .cse11 .cse16)) .cse17 (- 1)) .cse11) (= (select .cse11 (+ .cse18 .cse13 .cse14 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15 (- 17179869180))) 0))))) (< (+ .cse10 (* c_~ARR_SIZE~0 4294967295)) .cse9) (= 0 (+ (select .cse0 .cse16) 1))))) (let ((.cse27 (+ .cse8 |c_ULTIMATE.start_main_~#array~0#1.offset| 4))) (and (exists ((v_DerPreprocessor_11 Int) (v_prenex_1 Int) (|v_ULTIMATE.start_main_~column~0#1_29| Int)) (let ((.cse28 (+ .cse6 |c_ULTIMATE.start_main_~#array~0#1.offset| 4)) (.cse29 (store .cse0 .cse27 v_DerPreprocessor_11)) (.cse30 (+ .cse5 |c_ULTIMATE.start_main_~#array~0#1.offset| 4))) (let ((.cse24 (* |v_ULTIMATE.start_main_~column~0#1_29| 4)) (.cse23 (store .cse29 .cse30 (- 1))) (.cse25 (store (store .cse29 .cse30 v_prenex_1) .cse28 (- 1)))) (and (= (select .cse23 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15 .cse24)) 0) (< |v_ULTIMATE.start_main_~column~0#1_29| c_~ARR_SIZE~0) (= (select .cse0 (+ (- 4) |c_ULTIMATE.start_main_~#array~0#1.offset| .cse15 .cse24)) 0) (= (select .cse23 |c_ULTIMATE.start_main_~#array~0#1.offset|) 0) (= (select .cse25 .cse26) 1) (= .cse25 (store (store .cse0 .cse27 (select .cse25 .cse27)) .cse28 (- 1))) (<= c_~ARR_SIZE~0 (+ |v_ULTIMATE.start_main_~column~0#1_29| 1)))))) (< 1 c_~ARR_SIZE~0) (= (+ (select .cse0 .cse27) 1) 0))) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse33 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse34 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33 .cse21))) (and (exists ((v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int)) (let ((.cse35 (+ .cse20 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33)) (.cse36 (store .cse0 .cse34 v_DerPreprocessor_11)) (.cse37 (+ .cse19 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33))) (let ((.cse32 (store .cse36 .cse37 (- 1))) (.cse31 (store (store .cse36 .cse37 v_DerPreprocessor_9) .cse35 (- 1)))) (and (= (select .cse31 .cse26) 0) (= (select .cse32 (+ .cse18 (- 4) |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33)) 0) (= (select .cse32 |c_ULTIMATE.start_main_~#array~0#1.offset|) 0) (= (select .cse31 (+ .cse12 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse33)) 1) (= .cse31 (store (store .cse0 .cse34 (select .cse31 .cse34)) .cse35 (- 1))))))) (<= .cse38 (+ |ULTIMATE.start_main_~index2~0#1| .cse22 1)) (= (+ (select .cse0 .cse34) 1) 0) (< |ULTIMATE.start_main_~index2~0#1| c_~ARR_SIZE~0) (<= 0 |ULTIMATE.start_main_~index2~0#1|))))) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse41 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse39 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse41 .cse21))) (and (= (+ (select .cse0 .cse39) 1) 0) (< |ULTIMATE.start_main_~index2~0#1| c_~ARR_SIZE~0) (<= 0 |ULTIMATE.start_main_~index2~0#1|) (< (+ |ULTIMATE.start_main_~index2~0#1| .cse22 1) .cse38) (exists ((v_DerPreprocessor_11 Int) (v_prenex_2 Int)) (let ((.cse42 (store .cse0 .cse39 v_DerPreprocessor_11)) (.cse43 (+ .cse19 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse41)) (.cse44 (+ .cse20 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse41))) (let ((.cse40 (store (store .cse42 .cse43 v_prenex_2) .cse44 (- 1)))) (and (= (select .cse40 (+ .cse12 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse41)) 1) (= (select .cse40 (+ .cse18 |c_ULTIMATE.start_main_~#array~0#1.offset| 4 .cse41)) 0) (= (select (store .cse42 .cse43 (- 1)) |c_ULTIMATE.start_main_~#array~0#1.offset|) 0) (= (select .cse40 .cse26) 0) (= (store (store .cse0 .cse39 (select .cse40 .cse39)) .cse44 (- 1)) .cse40))))))))) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse52 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse46 (* .cse53 .cse10)) (.cse45 (+ .cse8 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52))) (and (= (+ (select .cse0 .cse45) 1) 0) (< (+ |ULTIMATE.start_main_~index2~0#1| .cse46 1) .cse7) (<= 0 |ULTIMATE.start_main_~index2~0#1|) (exists ((v_DerPreprocessor_11 Int) (v_prenex_3 Int)) (let ((.cse49 (store .cse0 .cse45 v_DerPreprocessor_11)) (.cse50 (+ .cse5 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52)) (.cse48 (+ .cse6 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52))) (let ((.cse51 (* .cse46 4)) (.cse47 (store (store .cse49 .cse50 v_prenex_3) .cse48 (- 1)))) (and (= (store (store .cse0 .cse45 (select .cse47 .cse45)) .cse48 (- 1)) .cse47) (= (select (store .cse49 .cse50 (- 1)) (+ .cse51 |c_ULTIMATE.start_main_~#array~0#1.offset| 4 .cse52)) 0) (= (select .cse47 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52)) 1) (= (select .cse47 (+ .cse51 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse52)) 0) (= (select .cse47 .cse26) 0)))))))))))))) (<= c_~ARR_SIZE~0 2) (= |c_ULTIMATE.start_main_~row~0#1| 0) (= |c_ULTIMATE.start_main_~sum~0#1| 0)) is different from false [2022-11-02 20:39:00,006 WARN L833 $PredicateComparison]: unable to prove that (and (let ((.cse37 (mod c_~ARR_SIZE~0 4294967296))) (let ((.cse55 (mod 0 4294967296)) (.cse25 (* .cse37 4)) (.cse52 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296))) (let ((.cse54 (+ .cse52 (- 4294967296))) (.cse53 (+ (- 17179869184) .cse25)) (.cse56 (+ .cse55 (- 4294967296))) (.cse57 (+ (- 1) c_~ARR_SIZE~0))) (let ((.cse14 (* c_~ARR_SIZE~0 .cse37)) (.cse13 (+ (* .cse37 2) c_~ARR_SIZE~0)) (.cse5 (* .cse57 .cse25)) (.cse3 (* (* .cse37 .cse57) 4)) (.cse12 (* .cse25 .cse56)) (.cse11 (* .cse53 .cse56)) (.cse15 (* .cse55 .cse25)) (.cse22 (+ c_~ARR_SIZE~0 .cse37)) (.cse1 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| 4)) (.cse21 (* .cse25 .cse54)) (.cse20 (* .cse53 .cse54)) (.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0#1.base|)) (.cse23 (* .cse52 .cse25))) (or (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse4 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse7 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse4 .cse15))) (and (exists ((v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int)) (let ((.cse8 (+ .cse12 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse4)) (.cse9 (store .cse6 .cse7 v_DerPreprocessor_11)) (.cse10 (+ .cse11 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse4))) (let ((.cse2 (store .cse9 .cse10 (- 1))) (.cse0 (store (store .cse9 .cse10 v_DerPreprocessor_9) .cse8 (- 1)))) (and (= (select .cse0 .cse1) 0) (= (select .cse2 (+ .cse3 (- 4) |c_ULTIMATE.start_main_~#array~0#1.offset| .cse4)) 0) (= (select .cse2 |c_ULTIMATE.start_main_~#array~0#1.offset|) 0) (= (select .cse0 (+ .cse5 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse4)) 1) (= .cse0 (store (store .cse6 .cse7 (select .cse0 .cse7)) .cse8 (- 1))))))) (<= .cse13 (+ |ULTIMATE.start_main_~index2~0#1| .cse14 1)) (= (+ (select .cse6 .cse7) 1) 0) (< |ULTIMATE.start_main_~index2~0#1| c_~ARR_SIZE~0))))) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse18 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse16 (+ .cse23 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse18))) (and (= (+ (select .cse6 .cse16) 1) 0) (< |ULTIMATE.start_main_~index2~0#1| c_~ARR_SIZE~0) (exists ((v_DerPreprocessor_11 Int) (v_prenex_2 Int)) (let ((.cse19 (+ .cse21 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse18))) (let ((.cse17 (store (store (store .cse6 .cse16 v_DerPreprocessor_11) (+ .cse20 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse18) v_prenex_2) .cse19 (- 1)))) (and (= (select .cse17 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse18)) 1) (= (store (store .cse6 .cse16 (select .cse17 .cse16)) .cse19 (- 1)) .cse17) (= (select .cse17 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| 4 .cse18)) 0))))) (<= .cse22 (+ |ULTIMATE.start_main_~index2~0#1| 2)))))) (let ((.cse28 (+ .cse23 |c_ULTIMATE.start_main_~#array~0#1.offset| 4))) (and (exists ((v_DerPreprocessor_11 Int) (v_prenex_1 Int) (|v_ULTIMATE.start_main_~column~0#1_29| Int)) (let ((.cse29 (+ .cse21 |c_ULTIMATE.start_main_~#array~0#1.offset| 4)) (.cse30 (store .cse6 .cse28 v_DerPreprocessor_11)) (.cse31 (+ .cse20 |c_ULTIMATE.start_main_~#array~0#1.offset| 4))) (let ((.cse26 (* |v_ULTIMATE.start_main_~column~0#1_29| 4)) (.cse24 (store .cse30 .cse31 (- 1))) (.cse27 (store (store .cse30 .cse31 v_prenex_1) .cse29 (- 1)))) (and (= (select .cse24 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse25 .cse26)) 0) (< |v_ULTIMATE.start_main_~column~0#1_29| c_~ARR_SIZE~0) (= (select .cse6 (+ (- 4) |c_ULTIMATE.start_main_~#array~0#1.offset| .cse25 .cse26)) 0) (= (select .cse24 |c_ULTIMATE.start_main_~#array~0#1.offset|) 0) (= (select .cse27 .cse1) 1) (= .cse27 (store (store .cse6 .cse28 (select .cse27 .cse28)) .cse29 (- 1))) (<= c_~ARR_SIZE~0 (+ |v_ULTIMATE.start_main_~column~0#1_29| 1)))))) (< 1 c_~ARR_SIZE~0) (= (+ (select .cse6 .cse28) 1) 0))) (let ((.cse33 (* 4 (* (- 1) c_~ARR_SIZE~0 .cse37))) (.cse34 (* 17179869184 c_~ARR_SIZE~0))) (let ((.cse35 (+ (- 17179869184) .cse33 .cse34 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse25 .cse15))) (and (exists ((v_DerPreprocessor_11 Int) (v_prenex_2 Int)) (let ((.cse36 (+ .cse12 (- 17179869184) .cse33 .cse34 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse25))) (let ((.cse32 (store (store (store .cse6 .cse35 v_DerPreprocessor_11) (+ (- 17179869184) .cse11 .cse33 .cse34 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse25) v_prenex_2) .cse36 (- 1)))) (and (= (select .cse32 (+ .cse5 (- 17179869184) .cse33 .cse34 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse25)) 1) (= (store (store .cse6 .cse35 (select .cse32 .cse35)) .cse36 (- 1)) .cse32) (= (select .cse32 (+ .cse3 .cse33 .cse34 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse25 (- 17179869180))) 0))))) (< (+ .cse37 (* c_~ARR_SIZE~0 4294967295)) (+ .cse14 4294967296)) (= 0 (+ (select .cse6 .cse35) 1))))) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse40 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse38 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse40 .cse15))) (and (= (+ (select .cse6 .cse38) 1) 0) (<= 0 |ULTIMATE.start_main_~index2~0#1|) (< (+ |ULTIMATE.start_main_~index2~0#1| .cse14 1) .cse13) (exists ((v_DerPreprocessor_11 Int) (v_prenex_2 Int)) (let ((.cse41 (store .cse6 .cse38 v_DerPreprocessor_11)) (.cse42 (+ .cse11 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse40)) (.cse43 (+ .cse12 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse40))) (let ((.cse39 (store (store .cse41 .cse42 v_prenex_2) .cse43 (- 1)))) (and (= (select .cse39 (+ .cse5 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse40)) 1) (= (select .cse39 (+ .cse3 |c_ULTIMATE.start_main_~#array~0#1.offset| 4 .cse40)) 0) (= (select (store .cse41 .cse42 (- 1)) |c_ULTIMATE.start_main_~#array~0#1.offset|) 0) (= (select .cse39 .cse1) 0) (= (store (store .cse6 .cse38 (select .cse39 .cse38)) .cse43 (- 1)) .cse39))))))))) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (let ((.cse51 (* |ULTIMATE.start_main_~index2~0#1| 4))) (let ((.cse45 (* .cse52 .cse37)) (.cse44 (+ .cse23 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse51))) (and (= (+ (select .cse6 .cse44) 1) 0) (< (+ |ULTIMATE.start_main_~index2~0#1| .cse45 1) .cse22) (<= 0 |ULTIMATE.start_main_~index2~0#1|) (exists ((v_DerPreprocessor_11 Int) (v_prenex_3 Int)) (let ((.cse48 (store .cse6 .cse44 v_DerPreprocessor_11)) (.cse49 (+ .cse20 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse51)) (.cse47 (+ .cse21 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse51))) (let ((.cse50 (* .cse45 4)) (.cse46 (store (store .cse48 .cse49 v_prenex_3) .cse47 (- 1)))) (and (= (store (store .cse6 .cse44 (select .cse46 .cse44)) .cse47 (- 1)) .cse46) (= (select (store .cse48 .cse49 (- 1)) (+ .cse50 |c_ULTIMATE.start_main_~#array~0#1.offset| 4 .cse51)) 0) (= (select .cse46 (+ |c_ULTIMATE.start_main_~#array~0#1.offset| .cse51)) 1) (= (select .cse46 (+ .cse50 |c_ULTIMATE.start_main_~#array~0#1.offset| .cse51)) 0) (= (select .cse46 .cse1) 0)))))))))))))) (<= c_~ARR_SIZE~0 2) (= |c_ULTIMATE.start_main_~row~0#1| 0) (= |c_ULTIMATE.start_main_~sum~0#1| 0) (< |c_ULTIMATE.start_main_~row~0#1| c_~ARR_SIZE~0) (= |c_ULTIMATE.start_main_~column~0#1| 0)) is different from false [2022-11-02 20:40:07,354 WARN L234 SmtUtils]: Spent 38.21s on a formula simplification. DAG size of input: 223 DAG size of output: 205 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)