./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/pcomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/pcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a --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 1472da9c0a8f011e4f758f37d66a1227b497d4a96142a431b3f2f304a275b1b7 --- 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-b5237d8 [2022-11-21 17:00:20,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:00:20,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:00:20,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:00:20,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:00:20,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:00:20,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:00:20,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:00:20,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:00:20,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:00:20,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:00:20,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:00:20,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:00:20,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:00:20,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:00:20,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:00:20,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:00:20,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:00:20,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:00:20,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:00:20,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:00:20,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:00:20,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:00:20,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:00:20,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:00:20,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:00:20,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:00:20,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:00:20,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:00:20,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:00:20,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:00:20,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:00:20,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:00:20,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:00:20,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:00:20,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:00:20,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:00:20,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:00:20,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:00:20,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:00:20,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:00:20,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 17:00:20,697 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:00:20,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:00:20,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:00:20,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:00:20,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:00:20,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:00:20,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:00:20,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:00:20,705 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:00:20,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:00:20,706 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:00:20,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:00:20,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:00:20,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:00:20,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:00:20,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:00:20,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:00:20,708 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:00:20,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:00:20,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:00:20,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:00:20,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:00:20,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:00:20,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:00:20,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:00:20,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:00:20,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:00:20,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:00:20,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:00:20,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:00:20,712 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:00:20,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:00:20,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:00:20,713 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_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1472da9c0a8f011e4f758f37d66a1227b497d4a96142a431b3f2f304a275b1b7 [2022-11-21 17:00:21,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:00:21,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:00:21,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:00:21,092 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:00:21,092 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:00:21,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/array-fpi/pcomp.c [2022-11-21 17:00:24,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:00:24,486 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:00:24,486 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/sv-benchmarks/c/array-fpi/pcomp.c [2022-11-21 17:00:24,493 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/data/964fcbf41/9cb5fcb356104cc5a740a4d875bcc3b9/FLAG6814c965a [2022-11-21 17:00:24,515 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/data/964fcbf41/9cb5fcb356104cc5a740a4d875bcc3b9 [2022-11-21 17:00:24,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:00:24,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:00:24,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:00:24,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:00:24,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:00:24,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7ad69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24, skipping insertion in model container [2022-11-21 17:00:24,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:00:24,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:00:24,770 WARN L237 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_2c319bc1-df62-4d42-a8f7-4f52e761e57e/sv-benchmarks/c/array-fpi/pcomp.c[588,601] [2022-11-21 17:00:24,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:00:24,840 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:00:24,861 WARN L237 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_2c319bc1-df62-4d42-a8f7-4f52e761e57e/sv-benchmarks/c/array-fpi/pcomp.c[588,601] [2022-11-21 17:00:24,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:00:24,907 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:00:24,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24 WrapperNode [2022-11-21 17:00:24,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:00:24,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:00:24,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:00:24,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:00:24,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,954 INFO L138 Inliner]: procedures = 16, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2022-11-21 17:00:24,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:00:24,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:00:24,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:00:24,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:00:24,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,981 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:00:24,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:00:24,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:00:24,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:00:24,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (1/1) ... [2022-11-21 17:00:24,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:00:25,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:25,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:00:25,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:00:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:00:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:00:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:00:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:00:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:00:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:00:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:00:25,184 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:00:25,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:00:25,487 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:00:25,493 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:00:25,493 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 17:00:25,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:25 BoogieIcfgContainer [2022-11-21 17:00:25,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:00:25,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:00:25,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:00:25,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:00:25,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:00:24" (1/3) ... [2022-11-21 17:00:25,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673e7bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:00:25, skipping insertion in model container [2022-11-21 17:00:25,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:24" (2/3) ... [2022-11-21 17:00:25,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673e7bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:00:25, skipping insertion in model container [2022-11-21 17:00:25,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:25" (3/3) ... [2022-11-21 17:00:25,520 INFO L112 eAbstractionObserver]: Analyzing ICFG pcomp.c [2022-11-21 17:00:25,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:00:25,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:00:25,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:00:25,620 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;@32defd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:00:25,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:00:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 17:00:25,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:25,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:25,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:25,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:25,641 INFO L85 PathProgramCache]: Analyzing trace with hash -592971038, now seen corresponding path program 1 times [2022-11-21 17:00:25,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:25,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707150004] [2022-11-21 17:00:25,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:25,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:25,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707150004] [2022-11-21 17:00:25,907 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-21 17:00:25,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604658155] [2022-11-21 17:00:25,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:25,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:25,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:25,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:25,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:00:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 17:00:26,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:26,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:26,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604658155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:26,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:26,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:00:26,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235945942] [2022-11-21 17:00:26,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:26,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 17:00:26,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:26,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 17:00:26,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:00:26,165 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:26,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:26,190 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2022-11-21 17:00:26,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 17:00:26,193 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-21 17:00:26,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:26,203 INFO L225 Difference]: With dead ends: 44 [2022-11-21 17:00:26,204 INFO L226 Difference]: Without dead ends: 20 [2022-11-21 17:00:26,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:00:26,212 INFO L413 NwaCegarLoop]: 28 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, 28 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 [2022-11-21 17:00:26,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:26,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-21 17:00:26,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-21 17:00:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-11-21 17:00:26,278 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14 [2022-11-21 17:00:26,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:26,279 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-21 17:00:26,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-21 17:00:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 17:00:26,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:26,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:26,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:26,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-21 17:00:26,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:26,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:26,489 INFO L85 PathProgramCache]: Analyzing trace with hash 108093540, now seen corresponding path program 1 times [2022-11-21 17:00:26,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:26,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304792061] [2022-11-21 17:00:26,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:26,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:26,557 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:00:26,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [940887902] [2022-11-21 17:00:26,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:26,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:26,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:26,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:26,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:00:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 17:00:26,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:26,992 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-21 17:00:26,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-11-21 17:00:27,034 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:00:27,062 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:00:27,089 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:00:28,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-21 17:00:28,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:00:28,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 71 treesize of output 59 [2022-11-21 17:00:28,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-21 17:00:28,159 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-21 17:00:28,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 98 treesize of output 57 [2022-11-21 17:00:28,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-21 17:00:28,203 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 17:00:28,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-21 17:00:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:28,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:28,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:28,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304792061] [2022-11-21 17:00:28,343 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:00:28,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940887902] [2022-11-21 17:00:28,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940887902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:28,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:28,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:00:28,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363170538] [2022-11-21 17:00:28,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:28,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:00:28,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:28,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:00:28,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:00:28,346 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:28,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:28,475 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-11-21 17:00:28,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:00:28,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-21 17:00:28,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:28,478 INFO L225 Difference]: With dead ends: 39 [2022-11-21 17:00:28,479 INFO L226 Difference]: Without dead ends: 37 [2022-11-21 17:00:28,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:00:28,480 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 15 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:28,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 65 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:28,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-21 17:00:28,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28. [2022-11-21 17:00:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2022-11-21 17:00:28,488 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 14 [2022-11-21 17:00:28,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:28,488 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-11-21 17:00:28,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-21 17:00:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 17:00:28,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:28,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:28,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:28,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:28,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:28,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:28,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1850906398, now seen corresponding path program 1 times [2022-11-21 17:00:28,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:28,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902789687] [2022-11-21 17:00:28,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:28,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:28,734 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:00:28,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [681203691] [2022-11-21 17:00:28,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:28,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:28,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:28,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:28,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:00:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:28,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:00:28,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:28,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:28,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:28,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902789687] [2022-11-21 17:00:28,887 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:00:28,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681203691] [2022-11-21 17:00:28,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681203691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:28,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:28,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:00:28,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784580911] [2022-11-21 17:00:28,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:28,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:00:28,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:28,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:00:28,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:00:28,890 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:29,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:29,041 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2022-11-21 17:00:29,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:00:29,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-21 17:00:29,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:29,044 INFO L225 Difference]: With dead ends: 62 [2022-11-21 17:00:29,045 INFO L226 Difference]: Without dead ends: 50 [2022-11-21 17:00:29,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:00:29,049 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 31 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:29,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 32 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:29,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-21 17:00:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 31. [2022-11-21 17:00:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-11-21 17:00:29,061 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 16 [2022-11-21 17:00:29,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:29,061 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-11-21 17:00:29,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-11-21 17:00:29,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 17:00:29,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:29,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:29,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:29,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:29,270 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:29,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:29,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1060218526, now seen corresponding path program 1 times [2022-11-21 17:00:29,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:29,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222659891] [2022-11-21 17:00:29,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:29,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:29,300 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:00:29,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2112201053] [2022-11-21 17:00:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:29,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:29,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:29,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:29,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 17:00:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:00:29,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:29,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:00:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:29,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:29,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222659891] [2022-11-21 17:00:29,465 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:00:29,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112201053] [2022-11-21 17:00:29,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112201053] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:00:29,466 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:00:29,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-11-21 17:00:29,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207128676] [2022-11-21 17:00:29,466 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:00:29,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:00:29,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:29,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:00:29,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:29,468 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:29,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:29,606 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2022-11-21 17:00:29,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 17:00:29,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-21 17:00:29,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:29,607 INFO L225 Difference]: With dead ends: 53 [2022-11-21 17:00:29,607 INFO L226 Difference]: Without dead ends: 44 [2022-11-21 17:00:29,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:00:29,609 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 44 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:29,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 44 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:29,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-21 17:00:29,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 30. [2022-11-21 17:00:29,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-11-21 17:00:29,614 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 16 [2022-11-21 17:00:29,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:29,615 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-11-21 17:00:29,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:29,616 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-21 17:00:29,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 17:00:29,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:29,617 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:29,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:29,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:29,822 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:29,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:29,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1120615462, now seen corresponding path program 1 times [2022-11-21 17:00:29,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:29,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519262755] [2022-11-21 17:00:29,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:29,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:29,845 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:00:29,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672486068] [2022-11-21 17:00:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:29,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:29,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:29,847 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:29,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 17:00:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:00:29,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:30,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:30,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:30,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519262755] [2022-11-21 17:00:30,002 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:00:30,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672486068] [2022-11-21 17:00:30,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672486068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:30,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:30,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:00:30,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713114333] [2022-11-21 17:00:30,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:30,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:00:30,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:30,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:00:30,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:30,006 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:30,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:30,120 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-11-21 17:00:30,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 17:00:30,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-21 17:00:30,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:30,122 INFO L225 Difference]: With dead ends: 48 [2022-11-21 17:00:30,122 INFO L226 Difference]: Without dead ends: 32 [2022-11-21 17:00:30,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:00:30,123 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 22 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:30,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 34 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:30,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-21 17:00:30,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2022-11-21 17:00:30,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-11-21 17:00:30,132 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 18 [2022-11-21 17:00:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:30,132 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-11-21 17:00:30,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 17:00:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 17:00:30,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:30,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:30,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:30,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:30,334 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:30,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:30,335 INFO L85 PathProgramCache]: Analyzing trace with hash 615941150, now seen corresponding path program 1 times [2022-11-21 17:00:30,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:30,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945366429] [2022-11-21 17:00:30,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:30,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:30,379 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:00:30,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651986121] [2022-11-21 17:00:30,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:30,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:30,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:30,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 17:00:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:30,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-21 17:00:30,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:30,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2022-11-21 17:00:30,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:30,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:30,614 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-21 17:00:30,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2022-11-21 17:00:30,621 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:00:30,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-21 17:00:30,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-21 17:00:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:30,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-21 17:00:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:30,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:00:31,042 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_312) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) is different from false [2022-11-21 17:00:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-21 17:00:31,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:31,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945366429] [2022-11-21 17:00:31,135 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:00:31,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651986121] [2022-11-21 17:00:31,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651986121] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:00:31,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:00:31,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-21 17:00:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454754425] [2022-11-21 17:00:31,137 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:00:31,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-21 17:00:31,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:31,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-21 17:00:31,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=113, Unknown=7, NotChecked=22, Total=182 [2022-11-21 17:00:31,139 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:31,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:31,754 INFO L93 Difference]: Finished difference Result 62 states and 69 transitions. [2022-11-21 17:00:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 17:00:31,757 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-21 17:00:31,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:31,758 INFO L225 Difference]: With dead ends: 62 [2022-11-21 17:00:31,758 INFO L226 Difference]: Without dead ends: 60 [2022-11-21 17:00:31,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=287, Unknown=8, NotChecked=38, Total=462 [2022-11-21 17:00:31,760 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 110 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:31,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 96 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 110 Invalid, 0 Unknown, 35 Unchecked, 0.3s Time] [2022-11-21 17:00:31,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-21 17:00:31,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 30. [2022-11-21 17:00:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2022-11-21 17:00:31,768 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 20 [2022-11-21 17:00:31,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:31,774 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2022-11-21 17:00:31,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2022-11-21 17:00:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 17:00:31,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:31,776 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:31,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:31,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:31,977 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:31,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:31,977 INFO L85 PathProgramCache]: Analyzing trace with hash 678263444, now seen corresponding path program 1 times [2022-11-21 17:00:31,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:31,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629033799] [2022-11-21 17:00:31,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:31,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:32,018 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:00:32,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600245719] [2022-11-21 17:00:32,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:32,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:32,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:32,039 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:32,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 17:00:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:32,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-21 17:00:32,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:32,251 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:32,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-21 17:00:32,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:32,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:32,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:32,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-21 17:00:32,273 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:00:32,282 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:00:32,331 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:32,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-11-21 17:00:32,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:32,428 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:32,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-21 17:00:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:32,497 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:32,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-21 17:00:32,739 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-21 17:00:32,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 32 [2022-11-21 17:00:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:32,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:00:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:00:34,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:34,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629033799] [2022-11-21 17:00:34,258 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:00:34,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600245719] [2022-11-21 17:00:34,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600245719] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:00:34,259 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:00:34,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2022-11-21 17:00:34,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293581261] [2022-11-21 17:00:34,260 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:00:34,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-21 17:00:34,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:34,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-21 17:00:34,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=304, Unknown=7, NotChecked=0, Total=380 [2022-11-21 17:00:34,262 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 20 states, 20 states have (on average 2.15) internal successors, (43), 20 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:39,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:39,517 INFO L93 Difference]: Finished difference Result 90 states and 102 transitions. [2022-11-21 17:00:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-21 17:00:39,517 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.15) internal successors, (43), 20 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-21 17:00:39,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:39,518 INFO L225 Difference]: With dead ends: 90 [2022-11-21 17:00:39,518 INFO L226 Difference]: Without dead ends: 88 [2022-11-21 17:00:39,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=352, Invalid=1279, Unknown=9, NotChecked=0, Total=1640 [2022-11-21 17:00:39,520 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 208 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:39,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 156 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-21 17:00:39,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-21 17:00:39,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 50. [2022-11-21 17:00:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 49 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2022-11-21 17:00:39,533 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 24 [2022-11-21 17:00:39,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:39,533 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2022-11-21 17:00:39,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.15) internal successors, (43), 20 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-11-21 17:00:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 17:00:39,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:39,535 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:39,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:39,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-21 17:00:39,747 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:39,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:39,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1455292262, now seen corresponding path program 2 times [2022-11-21 17:00:39,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:39,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846927546] [2022-11-21 17:00:39,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:39,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:39,801 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:00:39,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263653548] [2022-11-21 17:00:39,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:00:39,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:39,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:39,813 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:39,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-21 17:00:39,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:00:39,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:00:39,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 17:00:39,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:40,027 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 17:00:40,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:00:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 17:00:40,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:40,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846927546] [2022-11-21 17:00:40,097 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:00:40,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263653548] [2022-11-21 17:00:40,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263653548] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:00:40,097 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:00:40,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-11-21 17:00:40,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577054789] [2022-11-21 17:00:40,098 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:00:40,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 17:00:40,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:40,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 17:00:40,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:00:40,101 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:40,488 INFO L93 Difference]: Finished difference Result 154 states and 178 transitions. [2022-11-21 17:00:40,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 17:00:40,489 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-21 17:00:40,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:40,490 INFO L225 Difference]: With dead ends: 154 [2022-11-21 17:00:40,490 INFO L226 Difference]: Without dead ends: 96 [2022-11-21 17:00:40,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2022-11-21 17:00:40,491 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 113 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:40,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 80 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:00:40,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-21 17:00:40,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 62. [2022-11-21 17:00:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2022-11-21 17:00:40,508 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 24 [2022-11-21 17:00:40,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:40,508 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2022-11-21 17:00:40,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2022-11-21 17:00:40,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 17:00:40,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:40,510 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:40,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:40,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:40,719 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:40,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:40,720 INFO L85 PathProgramCache]: Analyzing trace with hash 628001548, now seen corresponding path program 2 times [2022-11-21 17:00:40,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:40,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246947771] [2022-11-21 17:00:40,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:40,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:40,752 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:00:40,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224432515] [2022-11-21 17:00:40,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:00:40,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:40,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:40,754 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:40,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-21 17:00:40,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:00:40,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:00:40,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 17:00:40,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:40,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 17:00:40,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:00:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 17:00:41,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:41,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246947771] [2022-11-21 17:00:41,037 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:00:41,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224432515] [2022-11-21 17:00:41,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224432515] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:00:41,037 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:00:41,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-21 17:00:41,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176284326] [2022-11-21 17:00:41,041 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:00:41,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 17:00:41,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:41,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 17:00:41,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:00:41,044 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:41,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:41,218 INFO L93 Difference]: Finished difference Result 78 states and 84 transitions. [2022-11-21 17:00:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 17:00:41,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-21 17:00:41,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:41,219 INFO L225 Difference]: With dead ends: 78 [2022-11-21 17:00:41,219 INFO L226 Difference]: Without dead ends: 69 [2022-11-21 17:00:41,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:00:41,220 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 77 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:41,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 38 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:00:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-21 17:00:41,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 55. [2022-11-21 17:00:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 54 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2022-11-21 17:00:41,235 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 32 [2022-11-21 17:00:41,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:41,235 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2022-11-21 17:00:41,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:00:41,235 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2022-11-21 17:00:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 17:00:41,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:41,236 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:41,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:41,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:41,442 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:41,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:41,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1505554158, now seen corresponding path program 3 times [2022-11-21 17:00:41,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:41,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049041726] [2022-11-21 17:00:41,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:41,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:41,512 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:00:41,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1223526459] [2022-11-21 17:00:41,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 17:00:41,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:41,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:41,523 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:41,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-21 17:00:42,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-21 17:00:42,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:00:42,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-21 17:00:42,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:42,739 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:42,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-21 17:00:42,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:42,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:42,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:42,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-21 17:00:42,758 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:00:42,771 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:00:42,841 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:42,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-11-21 17:00:42,929 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:42,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-11-21 17:00:42,979 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:42,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-11-21 17:00:43,106 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-21 17:00:43,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 60 [2022-11-21 17:00:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-21 17:00:43,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 20 [2022-11-21 17:00:43,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,237 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:43,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-21 17:00:43,300 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-21 17:00:43,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 64 [2022-11-21 17:00:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,315 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-21 17:00:43,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 95 [2022-11-21 17:00:43,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 12 [2022-11-21 17:00:43,674 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-21 17:00:43,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 139 treesize of output 127 [2022-11-21 17:00:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:00:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 194 [2022-11-21 17:00:43,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:43,879 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:00:43,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 44 [2022-11-21 17:00:43,998 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-21 17:00:43,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 77 [2022-11-21 17:00:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:44,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:44,020 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-21 17:00:44,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 107 [2022-11-21 17:00:44,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 12 [2022-11-21 17:00:46,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 142 treesize of output 124 [2022-11-21 17:00:46,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:00:46,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 89 treesize of output 77 [2022-11-21 17:00:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 17:00:46,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:00:48,886 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store .cse0 (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse1 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 0 (select (store .cse0 (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1) c_~N~0)))))) is different from false [2022-11-21 17:00:51,147 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse10 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse6 (<= .cse10 2147483647)) (.cse9 (* .cse10 8))) (let ((.cse5 (+ .cse9 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse3 (not .cse6)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse1 (+ .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse0 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1) c_~N~0)))) .cse3) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse4 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4 1) c_~N~0) (= (select (store (store .cse0 .cse5 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)))) .cse6) (or .cse6 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse7 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse0 .cse5 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7 1) c_~N~0))))) (or .cse3 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (= (select (store (store .cse0 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~N~0))))))))) is different from false [2022-11-21 17:00:53,320 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse10 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse0 (<= .cse10 2147483647)) (.cse9 (* .cse10 8))) (let ((.cse5 (+ .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse6 (not .cse0)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse2 (+ .cse9 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)))) (and (or .cse0 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse3 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse1 .cse2 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3 1) c_~N~0))))) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse4 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4)) (= (select (store (store .cse1 .cse5 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4 1) c_~N~0)))) .cse6) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse7 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse1 .cse5 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7 1) c_~N~0)))) .cse6) (or .cse0 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse1 .cse2 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~N~0))))))))) is different from false [2022-11-21 17:00:56,258 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse33 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse34 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse8 (<= .cse34 2147483647)) (.cse32 (* .cse34 8)) (.cse31 (* .cse33 8)) (.cse7 (<= .cse33 2147483647)) (.cse30 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse20 (<= .cse30 2147483647)) (.cse17 (not .cse7)) (.cse16 (+ .cse31 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse1 (+ .cse32 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse11 (not .cse8)) (.cse12 (+ .cse32 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse5 (+ .cse31 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse18 (* 8 .cse30))) (and (or (let ((.cse6 (+ (select .cse4 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse18)) (select .cse19 (+ .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse0 (store .cse4 .cse5 .cse6))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse0 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse3 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3 1) c_~N~0) (= (select (store (store .cse0 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)))))) .cse7) (or (let ((.cse10 (store .cse4 .cse16 .cse6))) (and (or .cse8 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~N~0) (= (select (store (store .cse10 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))))) (or .cse11 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse13 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store .cse10 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13 1) c_~N~0))))) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse14 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse10 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14 1) c_~N~0)))) .cse11) (or .cse8 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse15 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse10 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15 1) c_~N~0))))))) .cse17))) (not .cse20)) (or .cse20 (let ((.cse24 (+ (select .cse4 (+ |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368) .cse18)) (select .cse19 (+ (- 34359738368) .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse17 (let ((.cse21 (store .cse4 .cse16 .cse24))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse22 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse21 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse22)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse22 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse23 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse21 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse23)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse23 1) c_~N~0))))))) (or (let ((.cse26 (store .cse4 .cse5 .cse24))) (and (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse25 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse25)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= (select (store (store .cse26 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse25 1) c_~N~0)))) .cse11) (or .cse8 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse27 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse26 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse27)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse27 1) c_~N~0))))) (or .cse8 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse28 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse26 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse28)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse28 1) c_~N~0))))) (or .cse11 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse29 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse26 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse29)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse29 1) c_~N~0))))))) .cse7)))))))) is different from false [2022-11-21 17:01:22,352 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:01:24,570 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse5 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse6 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (let ((.cse4 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse2 (store .cse3 (+ .cse4 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse0 .cse1 (+ (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse5 v_ArrVal_633) (+ .cse4 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6 1) c_~N~0)))) (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse10 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (let ((.cse9 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse8 (store .cse3 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse7 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse7 .cse1 (+ (select .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse5 v_ArrVal_633) (+ .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10 1) c_~N~0)))))) is different from false [2022-11-21 17:02:28,819 WARN L233 SmtUtils]: Spent 18.41s on a formula simplification that was a NOOP. DAG size: 103 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:02:31,023 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse24 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse0 (<= .cse24 2147483647)) (.cse23 (* .cse24 8))) (let ((.cse5 (+ .cse23 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse13 (+ .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse9 (not .cse0))) (and (or .cse0 (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (let ((.cse6 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse3 (store (store .cse4 .cse5 v_ArrVal_628) (+ .cse6 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse1 .cse2 (+ (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~N~0))))) (or .cse9 (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse10 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10)) (= (select (let ((.cse14 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse12 (store (store .cse4 .cse13 v_ArrVal_628) (+ .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse11 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse11 .cse2 (+ (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse11 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse14 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10 1) c_~N~0))))) (or .cse0 (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse18 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (let ((.cse17 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse16 (store (store .cse4 .cse5 v_ArrVal_628) (+ .cse17 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse15 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse15 .cse2 (+ (select .cse15 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse16 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse17 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse18)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse18 1) c_~N~0))))) (or (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse19 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse19)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse19 1) c_~N~0) (= (select (let ((.cse22 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse21 (store (store .cse4 .cse13 v_ArrVal_628) (+ .cse22 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse20 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse20 .cse2 (+ (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse20 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse22 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)))) .cse9))))) is different from false [2022-11-21 17:02:33,767 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse45 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse46 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse44 (* .cse46 8)) (.cse9 (<= .cse46 2147483647)) (.cse26 (<= .cse45 2147483647)) (.cse43 (* .cse45 8))) (let ((.cse20 (+ .cse43 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (not .cse26)) (.cse10 (not .cse9)) (.cse13 (+ .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse1 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse4 (+ .cse44 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (or (and (or (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (let ((.cse6 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse2 (store (store (store .cse3 .cse4 v_ArrVal_625) .cse5 v_ArrVal_628) (+ .cse6 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse0 .cse1 (+ (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse6 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~N~0)))) .cse9) (or .cse10 (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse15 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (let ((.cse14 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse12 (store (store (store .cse3 .cse13 v_ArrVal_625) .cse5 v_ArrVal_628) (+ .cse14 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse11 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse11 .cse1 (+ (select .cse11 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse14 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15 1) c_~N~0)))))) .cse16) (or (and (or .cse9 (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse17 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse17)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse17 1) c_~N~0) (= (select (let ((.cse21 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse19 (store (store (store .cse3 .cse4 v_ArrVal_625) .cse20 v_ArrVal_628) (+ .cse21 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse18 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse18 .cse1 (+ (select .cse18 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse21 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))))) (or (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse25 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (let ((.cse24 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse23 (store (store (store .cse3 .cse13 v_ArrVal_625) .cse20 v_ArrVal_628) (+ .cse24 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse22 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse22 .cse1 (+ (select .cse22 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse24 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse25)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse25 1) c_~N~0)))) .cse10)) .cse26) (or .cse26 (and (or .cse10 (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse30 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (let ((.cse29 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse28 (store (store (store .cse3 .cse13 v_ArrVal_625) .cse20 v_ArrVal_628) (+ .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse27 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse27 .cse1 (+ (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse29 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse30)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse30 1) c_~N~0))))) (or (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse34 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (let ((.cse33 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse32 (store (store (store .cse3 .cse4 v_ArrVal_625) .cse20 v_ArrVal_628) (+ .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse31 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse32) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse31 .cse1 (+ (select .cse31 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse33 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34 1) c_~N~0)))) .cse9))) (or .cse16 (and (or .cse10 (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse38 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (let ((.cse37 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse36 (store (store (store .cse3 .cse13 v_ArrVal_625) .cse5 v_ArrVal_628) (+ .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse35 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse35 .cse1 (+ (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse35 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse37 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse38)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse38 1) c_~N~0))))) (or (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse42 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= 0 (select (let ((.cse41 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse40 (store (store (store .cse3 .cse4 v_ArrVal_625) .cse5 v_ArrVal_628) (+ .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse39 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse40) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse39 .cse1 (+ (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse39 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse41 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42 1) c_~N~0)))) .cse9))))))) is different from false [2022-11-21 17:02:36,972 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (let ((.cse6 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse2 (store (store (store .cse3 .cse4 v_ArrVal_625) .cse5 v_ArrVal_628) (+ .cse6 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse0 .cse1 (+ (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse6 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~N~0)))) (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse12 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (let ((.cse11 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse10 (store (store (store .cse3 .cse4 v_ArrVal_625) .cse5 v_ArrVal_628) (+ .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse9 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse9 .cse1 (+ (select .cse10 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse7 v_ArrVal_633) (+ .cse11 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12 1) c_~N~0)))))) is different from false [2022-11-21 17:02:37,269 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (forall ((v_ArrVal_630 Int) (v_ArrVal_624 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse0 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse0)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse0 1) c_~N~0) (= (select (let ((.cse7 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_624))) (let ((.cse3 (store (store (store (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|) .cse5 v_ArrVal_625) .cse6 v_ArrVal_628) (+ .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse1 (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse1 .cse2 (+ (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) .cse8 v_ArrVal_633) (+ .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)))) (forall ((v_ArrVal_630 Int) (v_ArrVal_624 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~N~0) (= (select (let ((.cse13 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_624))) (let ((.cse11 (store (store (store (select .cse12 |c_ULTIMATE.start_main_~b~0#1.base|) .cse5 v_ArrVal_625) .cse6 v_ArrVal_628) (+ .cse13 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse10 (select (store .cse12 |c_ULTIMATE.start_main_~b~0#1.base| .cse11) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse10 .cse2 (+ (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|)))))) .cse8 v_ArrVal_633) (+ .cse13 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)))))) is different from false [2022-11-21 17:02:37,624 WARN L837 $PredicateComparison]: unable to prove that (or (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (let ((.cse2 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (forall ((v_ArrVal_630 Int) (v_ArrVal_624 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse0 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse0)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse0 1) c_~N~0) (= (select (let ((.cse7 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_624))) (let ((.cse3 (store (store (store (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|) .cse5 v_ArrVal_625) .cse6 v_ArrVal_628) (+ .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse1 (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse1 .cse2 (+ (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) .cse8 v_ArrVal_633) (+ .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)))) (forall ((v_ArrVal_630 Int) (v_ArrVal_624 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_628 Int) (v_ArrVal_625 Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~N~0) (= (select (let ((.cse13 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_624))) (let ((.cse11 (store (store (store (select .cse12 |c_ULTIMATE.start_main_~b~0#1.base|) .cse5 v_ArrVal_625) .cse6 v_ArrVal_628) (+ .cse13 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse10 (select (store .cse12 |c_ULTIMATE.start_main_~b~0#1.base| .cse11) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse10 .cse2 (+ (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|)))))) .cse8 v_ArrVal_633) (+ .cse13 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))))))) is different from false [2022-11-21 17:02:37,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:02:37,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:02:37,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:02:37,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:02:37,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 135 treesize of output 127 [2022-11-21 17:02:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 24 not checked. [2022-11-21 17:02:37,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:02:37,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049041726] [2022-11-21 17:02:37,853 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:02:37,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223526459] [2022-11-21 17:02:37,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223526459] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:02:37,853 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:02:37,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 38 [2022-11-21 17:02:37,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106978402] [2022-11-21 17:02:37,854 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:02:37,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-21 17:02:37,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:02:37,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-21 17:02:37,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=543, Unknown=31, NotChecked=610, Total=1406 [2022-11-21 17:02:37,856 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand has 38 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 38 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:02:40,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:02:43,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:02:51,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:03:21,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:03:23,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:03:25,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:04:31,207 WARN L233 SmtUtils]: Spent 40.68s on a formula simplification. DAG size of input: 87 DAG size of output: 71 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:04:47,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:04:49,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:04:51,582 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse15 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse1 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse7 (select .cse15 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse8 (store .cse15 .cse1 (+ .cse7 (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (.cse5 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse6 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (let ((.cse4 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse2 (store .cse3 (+ .cse4 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse0 .cse1 (+ (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse5 v_ArrVal_633) (+ .cse4 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6 1) c_~N~0)))) (or (= .cse7 0) (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse8 .cse5 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~N~0)))) (forall ((v_ArrVal_630 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse13 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (let ((.cse12 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8))) (store (store (let ((.cse11 (store .cse3 (+ .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_630))) (let ((.cse10 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse11) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse10 .cse1 (+ (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse5 v_ArrVal_633) (+ .cse12 |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635)) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse14 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store .cse8 .cse5 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14 1) c_~N~0)))) (<= c_~N~0 2147483647))))) is different from false [2022-11-21 17:04:53,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:04:55,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:06:10,889 WARN L233 SmtUtils]: Spent 36.43s on a formula simplification. DAG size of input: 88 DAG size of output: 50 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:06:12,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:06:14,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-21 17:06:16,920 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse15 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse7 (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse6 (<= .cse15 2147483647)) (.cse14 (* .cse15 8))) (let ((.cse5 (+ .cse14 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse3 (not .cse6)) (.cse1 (+ .cse14 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse10 (store .cse0 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|) (+ .cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) (.cse11 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse0 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1) c_~N~0)))) .cse3) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse4 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4 1) c_~N~0) (= (select (store (store .cse0 .cse5 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)))) .cse6) (or (= .cse7 0) (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (or .cse6 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse0 .cse5 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~N~0))))) (or .cse3 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (= (select (store (store .cse0 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~N~0))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse12 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse10 .cse11 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse13 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store .cse10 .cse11 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13 1) c_~N~0)))) (<= c_~N~0 2147483647))))) is different from false [2022-11-21 17:06:18,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:06:20,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:06:22,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:06:24,979 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse37 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse38 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse8 (<= .cse38 2147483647)) (.cse36 (* .cse38 8)) (.cse35 (* .cse37 8)) (.cse7 (<= .cse37 2147483647)) (.cse34 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse21 (store .cse4 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|) (+ (select .cse4 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (.cse22 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse20 (<= .cse34 2147483647)) (.cse17 (not .cse7)) (.cse16 (+ .cse35 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse1 (+ .cse36 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse11 (not .cse8)) (.cse12 (+ .cse36 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse5 (+ .cse35 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse18 (* 8 .cse34))) (and (or (let ((.cse6 (+ (select .cse4 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse18)) (select .cse19 (+ .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse0 (store .cse4 .cse5 .cse6))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse0 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse3 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3 1) c_~N~0) (= (select (store (store .cse0 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)))))) .cse7) (or (let ((.cse10 (store .cse4 .cse16 .cse6))) (and (or .cse8 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~N~0) (= (select (store (store .cse10 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))))) (or .cse11 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse13 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store .cse10 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13 1) c_~N~0))))) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse14 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse10 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14 1) c_~N~0)))) .cse11) (or .cse8 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse15 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse10 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15 1) c_~N~0))))))) .cse17))) (not .cse20)) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse23 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse21 .cse22 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse23)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse23 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse24 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store .cse21 .cse22 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24 1) c_~N~0)))) (or .cse20 (let ((.cse28 (+ (select .cse4 (+ |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368) .cse18)) (select .cse19 (+ (- 34359738368) .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse17 (let ((.cse25 (store .cse4 .cse16 .cse28))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse26 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse25 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse26)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse26 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse27 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse25 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse27)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse27 1) c_~N~0))))))) (or (let ((.cse30 (store .cse4 .cse5 .cse28))) (and (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse29 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse29)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= (select (store (store .cse30 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse29 1) c_~N~0)))) .cse11) (or .cse8 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse31 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse30 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse31)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse31 1) c_~N~0))))) (or .cse8 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse32 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse30 .cse1 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse32)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse32 1) c_~N~0))))) (or .cse11 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_635 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_633 Int)) (let ((.cse33 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse30 .cse12 v_ArrVal_633) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_635) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse33)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse33 1) c_~N~0))))))) .cse7)))))))) is different from false [2022-11-21 17:06:27,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:06:29,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:06:31,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:06:33,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:06:35,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:07:20,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:20,641 INFO L93 Difference]: Finished difference Result 155 states and 172 transitions. [2022-11-21 17:07:20,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-21 17:07:20,641 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 38 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-21 17:07:20,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:20,645 INFO L225 Difference]: With dead ends: 155 [2022-11-21 17:07:20,645 INFO L226 Difference]: Without dead ends: 153 [2022-11-21 17:07:20,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 24 SyntacticMatches, 17 SemanticMatches, 80 ConstructedPredicates, 13 IntricatePredicates, 2 DeprecatedPredicates, 1470 ImplicationChecksByTransitivity, 349.2s TimeCoverageRelationStatistics Valid=1373, Invalid=3298, Unknown=73, NotChecked=1898, Total=6642 [2022-11-21 17:07:20,653 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 474 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 197 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 686 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:20,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 131 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 348 Invalid, 19 Unknown, 686 Unchecked, 43.5s Time] [2022-11-21 17:07:20,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-11-21 17:07:20,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 75. [2022-11-21 17:07:20,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 74 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:07:20,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2022-11-21 17:07:20,696 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 32 [2022-11-21 17:07:20,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:20,697 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2022-11-21 17:07:20,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 38 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:07:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-11-21 17:07:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 17:07:20,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:20,698 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:20,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-21 17:07:20,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-21 17:07:20,908 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:20,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:20,908 INFO L85 PathProgramCache]: Analyzing trace with hash 505093188, now seen corresponding path program 3 times [2022-11-21 17:07:20,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:20,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638733016] [2022-11-21 17:07:20,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:20,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:20,932 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:07:20,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [923686088] [2022-11-21 17:07:20,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 17:07:20,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:20,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:07:20,934 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:07:20,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-21 17:07:21,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-21 17:07:21,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:07:21,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 80 conjunts are in the unsatisfiable core [2022-11-21 17:07:21,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:07:21,465 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:07:21,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-21 17:07:21,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2022-11-21 17:07:21,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 34 [2022-11-21 17:07:21,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-21 17:07:21,504 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:07:21,514 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:07:21,524 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:07:21,614 INFO L321 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-21 17:07:21,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 70 [2022-11-21 17:07:21,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-21 17:07:21,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,730 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-21 17:07:21,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2022-11-21 17:07:21,867 INFO L321 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-21 17:07:21,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 137 [2022-11-21 17:07:21,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:07:21,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:21,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 194 [2022-11-21 17:07:22,097 INFO L321 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-21 17:07:22,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 188 treesize of output 177 [2022-11-21 17:07:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 157 [2022-11-21 17:07:22,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 63 [2022-11-21 17:07:22,508 INFO L321 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-21 17:07:22,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 153 [2022-11-21 17:07:22,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:07:22,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 197 [2022-11-21 17:07:22,593 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 17:07:22,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:07:22,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:07:22,825 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-21 17:07:22,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 83 treesize of output 68 [2022-11-21 17:07:23,470 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-21 17:07:23,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 97 treesize of output 53 [2022-11-21 17:07:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:23,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:08:07,828 WARN L233 SmtUtils]: Spent 7.23s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:08:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:08:07,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:08:07,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638733016] [2022-11-21 17:08:07,860 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:08:07,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923686088] [2022-11-21 17:08:07,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923686088] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:08:07,860 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:08:07,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 37 [2022-11-21 17:08:07,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553576467] [2022-11-21 17:08:07,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:08:07,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-21 17:08:07,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:08:07,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-21 17:08:07,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1136, Unknown=6, NotChecked=0, Total=1332 [2022-11-21 17:08:07,863 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand has 37 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 37 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:08:12,290 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse70 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse71 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse21 (<= .cse71 2147483647)) (.cse69 (* .cse71 8)) (.cse0 (<= .cse70 2147483647)) (.cse68 (* .cse70 8))) (let ((.cse12 (+ .cse68 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse38 (not .cse0)) (.cse20 (+ .cse69 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse22 (not .cse21)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse30 (+ .cse69 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (+ .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or .cse0 (forall ((v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse9 (store .cse11 .cse12 v_ArrVal_722))) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9))) (let ((.cse8 (select .cse7 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse2 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse3 (store .cse7 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse8 .cse6 (+ (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse2)) .cse10 v_ArrVal_727)))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse1 (select .cse4 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse1 .cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse4 .cse5 (+ .cse1 .cse2))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))))))) 8))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (or (forall ((v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse19 (store .cse11 .cse20 v_ArrVal_722))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse19))) (let ((.cse18 (select .cse17 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse13 (select .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse15 (store .cse17 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse18 .cse6 (+ .cse13 (select .cse19 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse10 v_ArrVal_727)))) (let ((.cse16 (select .cse15 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse14 (select .cse16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse13 .cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse16 .cse5 (+ .cse13 .cse14))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))))))) 8)) .cse21) (or .cse0 (and (or .cse22 (forall ((v_ArrVal_720 Int) (v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse29 (store (store .cse11 .cse30 v_ArrVal_720) .cse12 v_ArrVal_722))) (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29))) (let ((.cse28 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse26 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse23 (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse28 .cse6 (+ .cse26 (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse10 v_ArrVal_727)))) (let ((.cse24 (select .cse23 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse25 (select .cse24 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse23 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse24 .cse5 (+ .cse25 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse25 .cse26)))))))) 8))) (or (forall ((v_ArrVal_720 Int) (v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse37 (store (store .cse11 .cse20 v_ArrVal_720) .cse12 v_ArrVal_722))) (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse37))) (let ((.cse36 (select .cse35 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse32 (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse36 .cse6 (+ .cse31 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse10 v_ArrVal_727)))) (let ((.cse33 (select .cse32 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse31 (select (select (store .cse32 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse33 .cse5 (+ .cse31 .cse34))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse34)))))))) 8)) .cse21))) (or .cse38 (forall ((v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse45 (store .cse11 .cse46 v_ArrVal_722))) (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45))) (let ((.cse44 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse42 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse40 (store .cse43 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse44 .cse6 (+ (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse42)) .cse10 v_ArrVal_727)))) (let ((.cse41 (select .cse40 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse39 (select .cse41 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse39 (select (select (store .cse40 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse41 .cse5 (+ .cse39 .cse42))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse42)))))))) 8))) (or .cse22 (forall ((v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= 8 (let ((.cse53 (store .cse11 .cse30 v_ArrVal_722))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53))) (let ((.cse52 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse50 (select .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse47 (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse52 .cse6 (+ (select .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse50)) .cse10 v_ArrVal_727)))) (let ((.cse48 (select .cse47 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse49 (select .cse48 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse47 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse48 .cse5 (+ .cse49 .cse50))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse49 .cse50))))))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)) (or .cse38 (and (or (forall ((v_ArrVal_720 Int) (v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= 8 (let ((.cse60 (store (store .cse11 .cse20 v_ArrVal_720) .cse46 v_ArrVal_722))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse60))) (let ((.cse59 (select .cse58 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse57 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse54 (store .cse58 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse59 .cse6 (+ (select .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse57)) .cse10 v_ArrVal_727)))) (let ((.cse55 (select .cse54 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse56 (select .cse55 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse55 .cse5 (+ .cse56 .cse57))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse56 .cse57)))))))))) .cse21) (or .cse22 (forall ((v_ArrVal_720 Int) (v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= 8 (let ((.cse67 (store (store .cse11 .cse30 v_ArrVal_720) .cse46 v_ArrVal_722))) (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse67))) (let ((.cse66 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse63 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse61 (store .cse65 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse66 .cse6 (+ (select .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse63)) .cse10 v_ArrVal_727)))) (let ((.cse62 (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse64 (select .cse62 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse61 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse62 .cse5 (+ .cse63 .cse64))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse63 .cse64))))))))))))) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0))))) is different from true [2022-11-21 17:08:14,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:08:15,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:08:18,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:08:20,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:08:34,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:08:36,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:08:38,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:08:41,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:08:44,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2022-11-21 17:08:56,463 WARN L233 SmtUtils]: Spent 10.09s on a formula simplification. DAG size of input: 164 DAG size of output: 125 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:08:57,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:09:00,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:09:02,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-21 17:09:13,601 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse77 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse78 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse21 (<= .cse78 2147483647)) (.cse76 (* .cse78 8)) (.cse0 (<= .cse77 2147483647)) (.cse75 (* .cse77 8))) (let ((.cse12 (+ .cse75 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse38 (not .cse0)) (.cse20 (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse22 (not .cse21)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse30 (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (+ .cse75 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse54 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and (or .cse0 (forall ((v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse9 (store .cse11 .cse12 v_ArrVal_722))) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9))) (let ((.cse8 (select .cse7 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse2 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse3 (store .cse7 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse8 .cse6 (+ (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse2)) .cse10 v_ArrVal_727)))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse1 (select .cse4 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse1 .cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse4 .cse5 (+ .cse1 .cse2))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))))))) 8))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (or (forall ((v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse19 (store .cse11 .cse20 v_ArrVal_722))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse19))) (let ((.cse18 (select .cse17 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse13 (select .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse15 (store .cse17 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse18 .cse6 (+ .cse13 (select .cse19 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse10 v_ArrVal_727)))) (let ((.cse16 (select .cse15 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse14 (select .cse16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse13 .cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse16 .cse5 (+ .cse13 .cse14))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))))))) 8)) .cse21) (or .cse0 (and (or .cse22 (forall ((v_ArrVal_720 Int) (v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse29 (store (store .cse11 .cse30 v_ArrVal_720) .cse12 v_ArrVal_722))) (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29))) (let ((.cse28 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse26 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse23 (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse28 .cse6 (+ .cse26 (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse10 v_ArrVal_727)))) (let ((.cse24 (select .cse23 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse25 (select .cse24 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse23 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse24 .cse5 (+ .cse25 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse25 .cse26)))))))) 8))) (or (forall ((v_ArrVal_720 Int) (v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse37 (store (store .cse11 .cse20 v_ArrVal_720) .cse12 v_ArrVal_722))) (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse37))) (let ((.cse36 (select .cse35 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse32 (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse36 .cse6 (+ .cse31 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse10 v_ArrVal_727)))) (let ((.cse33 (select .cse32 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse31 (select (select (store .cse32 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse33 .cse5 (+ .cse31 .cse34))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse34)))))))) 8)) .cse21))) (or .cse38 (forall ((v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= (let ((.cse45 (store .cse11 .cse46 v_ArrVal_722))) (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45))) (let ((.cse44 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse42 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse40 (store .cse43 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse44 .cse6 (+ (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse42)) .cse10 v_ArrVal_727)))) (let ((.cse41 (select .cse40 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse39 (select .cse41 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse39 (select (select (store .cse40 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse41 .cse5 (+ .cse39 .cse42))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse42)))))))) 8))) (or .cse22 (forall ((v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= 8 (let ((.cse53 (store .cse11 .cse30 v_ArrVal_722))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53))) (let ((.cse52 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse50 (select .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse47 (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse52 .cse6 (+ (select .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse50)) .cse10 v_ArrVal_727)))) (let ((.cse48 (select .cse47 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse49 (select .cse48 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse47 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse48 .cse5 (+ .cse49 .cse50))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse49 .cse50))))))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select .cse54 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)) (or .cse38 (and (or (forall ((v_ArrVal_720 Int) (v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= 8 (let ((.cse61 (store (store .cse11 .cse20 v_ArrVal_720) .cse46 v_ArrVal_722))) (let ((.cse59 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse61))) (let ((.cse60 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse58 (select .cse60 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse55 (store .cse59 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse60 .cse6 (+ (select .cse61 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse58)) .cse10 v_ArrVal_727)))) (let ((.cse56 (select .cse55 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse57 (select .cse56 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse55 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse56 .cse5 (+ .cse57 .cse58))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse57 .cse58)))))))))) .cse21) (or .cse22 (forall ((v_ArrVal_720 Int) (v_ArrVal_727 Int) (v_ArrVal_722 Int)) (= 8 (let ((.cse68 (store (store .cse11 .cse30 v_ArrVal_720) .cse46 v_ArrVal_722))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse68))) (let ((.cse67 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse64 (select .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse62 (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse67 .cse6 (+ (select .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse64)) .cse10 v_ArrVal_727)))) (let ((.cse63 (select .cse62 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse65 (select .cse63 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse62 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse63 .cse5 (+ .cse64 .cse65))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse64 .cse65))))))))))))) (exists ((|ULTIMATE.start_main_~a~0#1.base| Int) (v_DerPreprocessor_18 Int)) (let ((.cse74 (* (mod (+ 4294967294 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (let ((.cse73 (+ .cse74 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse70 (select .cse54 .cse73)) (.cse72 (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4294967293) 4294967296) 8))) (let ((.cse69 (select (store (store .cse54 .cse73 v_DerPreprocessor_18) (+ .cse74 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) .cse70) (+ .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse71 (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|))) (and (= .cse69 1) (= .cse70 (+ (select .cse71 .cse72) .cse69)) (= 6 (select .cse71 0)))))))) (= 3 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0))))) is different from true [2022-11-21 17:09:53,119 WARN L233 SmtUtils]: Spent 34.88s on a formula simplification. DAG size of input: 182 DAG size of output: 143 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:12:20,040 WARN L233 SmtUtils]: Spent 2.02m on a formula simplification. DAG size of input: 248 DAG size of output: 177 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:12:22,977 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse77 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse79 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse63 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse18 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse50 (* 8 .cse63)) (.cse78 (* .cse79 8)) (.cse80 (mod .cse77 4294967296))) (let ((.cse75 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse36 (<= .cse80 2147483647)) (.cse76 (* .cse80 8)) (.cse20 (<= .cse79 2147483647)) (.cse64 (+ .cse78 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse3 (select .cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse50))) (.cse4 (select .cse18 (+ .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse0 (store .cse7 .cse64 (+ .cse3 .cse4))) (.cse19 (+ .cse78 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse21 (not .cse20)) (.cse1 (+ .cse76 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse2 (+ .cse78 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (not (< .cse77 c_~N~0))) (.cse27 (< |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse42 (+ .cse76 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse35 (not .cse36)) (.cse15 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse16 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse34 (+ .cse76 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (<= .cse75 2147483647)) (.cse8 (* 8 .cse75)) (.cse9 (+ (* 6 (* |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1|)) (* |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1|) 8 (* 12 |c_ULTIMATE.start_main_~i~0#1|))) (.cse5 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (or (= 8 (select (store .cse0 .cse1 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse0) |c_ULTIMATE.start_main_~b~0#1.base|) .cse2) .cse3 .cse4)) .cse5)) .cse6) (or (= (select .cse7 (+ .cse8 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) .cse9) .cse10) (or (< |c_ULTIMATE.start_main_~i~0#1| 2) (and (or (forall ((v_ArrVal_727 Int)) (= (let ((.cse17 (store .cse18 .cse19 v_ArrVal_727))) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse17))) (let ((.cse14 (select .cse13 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse11 (select .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (select .cse14 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse11 .cse12 (select (select (store .cse13 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse14 .cse15 (+ .cse11 .cse12))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse16)))))) 8)) .cse20) (or .cse21 (forall ((v_ArrVal_727 Int)) (= (let ((.cse26 (store .cse18 .cse2 v_ArrVal_727))) (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse26))) (let ((.cse24 (select .cse23 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse22 (select .cse24 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse25 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse22 (select (select (store .cse23 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse24 .cse15 (+ .cse22 .cse25))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse16) .cse25))))) 8))))) (or (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (= (select .cse0 .cse5) 8)) (not (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (or .cse27 (let ((.cse49 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse51 (<= .cse63 2147483647))) (and (or (let ((.cse43 (+ .cse4 (select .cse49 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse50))))) (and (or (let ((.cse33 (store .cse18 .cse2 .cse43))) (and (or (forall ((v_ArrVal_727 Int)) (= 8 (let ((.cse32 (store .cse33 .cse34 v_ArrVal_727))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse32))) (let ((.cse30 (select .cse29 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse28 (select .cse30 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse31 (select .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse28 (select (select (store .cse29 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse30 .cse15 (+ .cse28 .cse31))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse16) .cse31))))))) .cse35) (or .cse36 (forall ((v_ArrVal_727 Int)) (= (let ((.cse41 (store .cse33 .cse42 v_ArrVal_727))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse41))) (let ((.cse39 (select .cse38 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse37 (select .cse39 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse40 (select .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse37 (select (select (store .cse38 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse39 .cse15 (+ .cse37 .cse40))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse16) .cse40))))) 8))))) .cse21) (or .cse20 (forall ((v_ArrVal_727 Int)) (= (let ((.cse48 (store (store .cse18 .cse19 .cse43) .cse42 v_ArrVal_727))) (let ((.cse45 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse48))) (let ((.cse46 (select .cse45 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse44 (select .cse46 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse47 (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse44 (select (select (store .cse45 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse46 .cse15 (+ .cse44 .cse47))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse16) .cse47))))) 8))))) (not .cse51)) (or (let ((.cse57 (+ (select .cse49 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse50)) (select .cse18 (+ (- 34359738368) .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (and .cse35 (forall ((v_ArrVal_727 Int)) (= (let ((.cse56 (store (store .cse18 .cse19 .cse57) .cse42 v_ArrVal_727))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse56))) (let ((.cse53 (select .cse52 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse54 (select .cse53 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse55 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse53 .cse15 (+ .cse54 .cse55))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse16) .cse54 .cse55))))) 8))) .cse20) (or .cse21 (forall ((v_ArrVal_727 Int)) (= (let ((.cse62 (store (store .cse18 .cse2 .cse57) .cse34 v_ArrVal_727))) (let ((.cse59 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse62))) (let ((.cse60 (select .cse59 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse58 (select .cse60 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse61 (select .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse58 (select (select (store .cse59 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse60 .cse15 (+ .cse58 .cse61))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse16) .cse61))))) 8))))) .cse51)))) (or (= (select (store .cse7 .cse1 (+ (select .cse7 .cse64) (select .cse18 .cse2))) .cse5) 8) .cse6) (or .cse27 (and (or .cse36 (forall ((v_ArrVal_727 Int)) (= 8 (let ((.cse69 (store .cse18 .cse42 v_ArrVal_727))) (let ((.cse67 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse69))) (let ((.cse68 (select .cse67 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse65 (select .cse68 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse66 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse65 .cse66 (select (select (store .cse67 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse68 .cse15 (+ .cse65 .cse66))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse16))))))))) (or .cse35 (forall ((v_ArrVal_727 Int)) (= 8 (let ((.cse74 (store .cse18 .cse34 v_ArrVal_727))) (let ((.cse72 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse74))) (let ((.cse73 (select .cse72 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse70 (select .cse73 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse71 (select .cse74 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse70 .cse71 (select (select (store .cse72 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse73 .cse15 (+ .cse70 .cse71))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse16))))))))))) (or (not .cse10) (= (select .cse7 (+ .cse8 |c_ULTIMATE.start_main_~c~0#1.offset|)) .cse9)) (= (select .cse7 .cse5) 8)))))) is different from true [2022-11-21 17:12:49,490 WARN L233 SmtUtils]: Spent 21.56s on a formula simplification. DAG size of input: 194 DAG size of output: 137 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:13:22,188 WARN L233 SmtUtils]: Spent 28.46s on a formula simplification. DAG size of input: 198 DAG size of output: 124 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:13:57,991 WARN L233 SmtUtils]: Spent 23.55s on a formula simplification. DAG size of input: 220 DAG size of output: 163 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:14:08,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:14:08,197 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2022-11-21 17:14:08,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-21 17:14:08,197 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 37 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-21 17:14:08,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:14:08,198 INFO L225 Difference]: With dead ends: 153 [2022-11-21 17:14:08,199 INFO L226 Difference]: Without dead ends: 121 [2022-11-21 17:14:08,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 362.5s TimeCoverageRelationStatistics Valid=634, Invalid=3649, Unknown=19, NotChecked=390, Total=4692 [2022-11-21 17:14:08,201 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 155 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 131 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:14:08,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 260 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 749 Invalid, 10 Unknown, 8 Unchecked, 41.3s Time] [2022-11-21 17:14:08,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-21 17:14:08,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 90. [2022-11-21 17:14:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.1685393258426966) internal successors, (104), 89 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:14:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2022-11-21 17:14:08,234 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 34 [2022-11-21 17:14:08,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:14:08,235 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2022-11-21 17:14:08,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 37 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:14:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2022-11-21 17:14:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 17:14:08,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:14:08,236 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:14:08,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-21 17:14:08,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:14:08,444 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:14:08,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:14:08,444 INFO L85 PathProgramCache]: Analyzing trace with hash -2083150320, now seen corresponding path program 4 times [2022-11-21 17:14:08,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:14:08,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79774451] [2022-11-21 17:14:08,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:14:08,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:14:08,477 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:14:08,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227982510] [2022-11-21 17:14:08,478 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-21 17:14:08,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:14:08,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:14:08,479 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:14:08,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-21 17:14:08,637 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-21 17:14:08,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:14:08,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 17:14:08,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:14:08,842 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 17:14:08,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:14:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 17:14:09,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:14:09,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79774451] [2022-11-21 17:14:09,038 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:14:09,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227982510] [2022-11-21 17:14:09,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227982510] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:14:09,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:14:09,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-11-21 17:14:09,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132783400] [2022-11-21 17:14:09,038 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:14:09,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-21 17:14:09,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:14:09,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-21 17:14:09,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:14:09,040 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:14:09,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:14:09,979 INFO L93 Difference]: Finished difference Result 210 states and 236 transitions. [2022-11-21 17:14:09,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-21 17:14:09,980 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-21 17:14:09,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:14:09,981 INFO L225 Difference]: With dead ends: 210 [2022-11-21 17:14:09,981 INFO L226 Difference]: Without dead ends: 157 [2022-11-21 17:14:09,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 48 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2022-11-21 17:14:09,983 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 225 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:14:09,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 110 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:14:09,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-21 17:14:10,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 104. [2022-11-21 17:14:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.1553398058252426) internal successors, (119), 103 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:14:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2022-11-21 17:14:10,028 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 34 [2022-11-21 17:14:10,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:14:10,028 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2022-11-21 17:14:10,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:14:10,029 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2022-11-21 17:14:10,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 17:14:10,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:14:10,030 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:14:10,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-21 17:14:10,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:14:10,237 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:14:10,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:14:10,237 INFO L85 PathProgramCache]: Analyzing trace with hash -968725112, now seen corresponding path program 4 times [2022-11-21 17:14:10,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:14:10,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491168229] [2022-11-21 17:14:10,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:14:10,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:14:10,266 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:14:10,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464110587] [2022-11-21 17:14:10,267 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-21 17:14:10,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:14:10,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:14:10,268 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:14:10,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-21 17:14:11,078 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-21 17:14:11,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:14:11,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 71 conjunts are in the unsatisfiable core [2022-11-21 17:14:11,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:14:11,103 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:14:11,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-21 17:14:11,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-21 17:14:11,139 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:14:11,151 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-21 17:14:11,230 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:14:11,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-11-21 17:14:11,336 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:14:11,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-11-21 17:14:11,443 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:14:11,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-11-21 17:14:11,621 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-21 17:14:11,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 60 [2022-11-21 17:14:11,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-21 17:14:11,733 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-21 17:14:11,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 60 [2022-11-21 17:14:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-21 17:14:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 17 [2022-11-21 17:14:11,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,869 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:14:11,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-21 17:14:11,969 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-21 17:14:11,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 139 treesize of output 127 [2022-11-21 17:14:11,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:14:11,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:11,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 194 [2022-11-21 17:14:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:12,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 32 [2022-11-21 17:14:12,242 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-21 17:14:12,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 89 [2022-11-21 17:14:12,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:12,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:12,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:12,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 155 [2022-11-21 17:14:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:12,423 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-21 17:14:12,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 42 [2022-11-21 17:14:12,743 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-21 17:14:12,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 30 [2022-11-21 17:14:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:14:12,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:14:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 17:14:37,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:14:37,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491168229] [2022-11-21 17:14:37,363 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:14:37,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464110587] [2022-11-21 17:14:37,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464110587] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:14:37,363 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:14:37,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2022-11-21 17:14:37,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585263122] [2022-11-21 17:14:37,363 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:14:37,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-21 17:14:37,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:14:37,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-21 17:14:37,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=825, Unknown=8, NotChecked=0, Total=992 [2022-11-21 17:14:37,365 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand has 32 states, 32 states have (on average 2.03125) internal successors, (65), 32 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:14:57,847 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse33 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse35 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse34 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse13 (<= .cse34 2147483647)) (.cse10 (<= .cse35 2147483647)) (.cse31 (* .cse33 8)) (.cse32 (* .cse35 8)) (.cse30 (* 8 .cse34)) (.cse6 (<= .cse33 2147483647))) (let ((.cse5 (not .cse6)) (.cse4 (+ .cse30 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (+ .cse32 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse19 (+ .cse31 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse20 (+ .cse30 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse11 (not .cse10)) (.cse2 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ .cse32 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ .cse31 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (not .cse13)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse3 (+ .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (+ .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse21 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (or (and (or (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int) (v_ArrVal_916 Int)) (= (let ((.cse0 (store (store (store .cse1 .cse2 v_ArrVal_916) .cse3 v_ArrVal_917) .cse4 v_ArrVal_919))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse0) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse0 |c_ULTIMATE.start_main_~b~0#1.offset|))) 1)) .cse5) (or .cse6 (and (or (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int) (v_ArrVal_916 Int)) (= (let ((.cse7 (store (store (store .cse1 .cse8 v_ArrVal_916) .cse9 v_ArrVal_917) .cse4 v_ArrVal_919))) (+ (select .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) 1)) .cse10) (or .cse11 (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int) (v_ArrVal_916 Int)) (= (let ((.cse12 (store (store (store .cse1 .cse2 v_ArrVal_916) .cse9 v_ArrVal_917) .cse4 v_ArrVal_919))) (+ (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) 1)))))) .cse13) (= (select .cse14 |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (or (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int)) (= (let ((.cse15 (store (store .cse1 .cse2 v_ArrVal_917) .cse3 v_ArrVal_919))) (+ (select .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse15) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) 1)) .cse5) (or .cse16 (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int) (v_ArrVal_916 Int)) (= (let ((.cse17 (store (store (store .cse1 .cse2 v_ArrVal_916) .cse3 v_ArrVal_917) .cse18 v_ArrVal_919))) (+ (select .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse17) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) 1))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (not (= |c_ULTIMATE.start_main_~a~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (forall ((v_ArrVal_926 Int) (v_ArrVal_923 Int)) (= (select (store (store .cse14 .cse19 v_ArrVal_923) .cse20 v_ArrVal_926) .cse21) 1)) (forall ((v_ArrVal_926 Int) (v_ArrVal_923 Int)) (= (select (store (store .cse14 .cse22 v_ArrVal_923) .cse19 v_ArrVal_926) .cse21) 1)) (or (and (or .cse5 (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int)) (= (let ((.cse23 (store (store .cse1 .cse3 v_ArrVal_917) .cse4 v_ArrVal_919))) (+ (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) 1))) (or .cse6 (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int)) (= (let ((.cse24 (store (store .cse1 .cse9 v_ArrVal_917) .cse4 v_ArrVal_919))) (+ (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse24) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) 1)))) .cse13) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (forall ((v_ArrVal_926 Int) (v_ArrVal_923 Int)) (= (select (store (store (store .cse14 .cse22 (let ((.cse25 (* 8 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)))) (+ (select .cse14 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse25)) (select .cse1 (+ .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse19 v_ArrVal_923) .cse20 v_ArrVal_926) .cse21) 1)) (or .cse6 (and (or .cse11 (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int)) (= 1 (let ((.cse26 (store (store .cse1 .cse2 v_ArrVal_917) .cse9 v_ArrVal_919))) (+ (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse26) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)))))) (or .cse10 (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int)) (= (let ((.cse27 (store (store .cse1 .cse8 v_ArrVal_917) .cse9 v_ArrVal_919))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|))) 1))))) (or .cse16 (forall ((v_ArrVal_919 Int) (v_ArrVal_917 Int)) (= (let ((.cse28 (store (store .cse1 .cse3 v_ArrVal_917) .cse18 v_ArrVal_919))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|))) 1))) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse29 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0))) (and (= .cse29 1) (= (select .cse14 .cse21) .cse29)))))))) is different from true [2022-11-21 17:14:58,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:14:58,716 INFO L93 Difference]: Finished difference Result 174 states and 197 transitions. [2022-11-21 17:14:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-21 17:14:58,716 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.03125) internal successors, (65), 32 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-21 17:14:58,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:14:58,717 INFO L225 Difference]: With dead ends: 174 [2022-11-21 17:14:58,717 INFO L226 Difference]: Without dead ends: 172 [2022-11-21 17:14:58,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 37.2s TimeCoverageRelationStatistics Valid=580, Invalid=2385, Unknown=9, NotChecked=106, Total=3080 [2022-11-21 17:14:58,719 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 327 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:14:58,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 257 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 624 Invalid, 0 Unknown, 1 Unchecked, 8.2s Time] [2022-11-21 17:14:58,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-21 17:14:58,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 119. [2022-11-21 17:14:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.1779661016949152) internal successors, (139), 118 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:14:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2022-11-21 17:14:58,772 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 36 [2022-11-21 17:14:58,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:14:58,773 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2022-11-21 17:14:58,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.03125) internal successors, (65), 32 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:14:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2022-11-21 17:14:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 17:14:58,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:14:58,774 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:14:58,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-21 17:14:58,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-21 17:14:58,979 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:14:58,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:14:58,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1727021184, now seen corresponding path program 5 times [2022-11-21 17:14:58,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:14:58,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179425763] [2022-11-21 17:14:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:14:58,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:14:59,018 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:14:59,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327505419] [2022-11-21 17:14:59,019 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-21 17:14:59,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:14:59,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:14:59,020 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:14:59,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c319bc1-df62-4d42-a8f7-4f52e761e57e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process