./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/poly1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/poly1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ --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 3116e607f032f81b099fa1792f5e25b70e1832d9d57f1b8b6500e90d2143faec --- 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-dbf71c6-m [2022-10-17 10:36:28,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:36:28,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:36:28,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:36:28,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:36:28,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:36:28,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:36:28,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:36:28,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:36:28,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:36:28,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:36:28,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:36:28,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:36:28,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:36:28,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:36:28,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:36:28,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:36:28,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:36:28,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:36:28,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:36:28,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:36:28,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:36:28,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:36:28,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:36:28,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:36:28,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:36:28,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:36:28,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:36:28,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:36:28,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:36:28,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:36:28,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:36:28,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:36:28,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:36:28,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:36:28,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:36:28,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:36:28,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:36:28,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:36:28,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:36:28,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:36:28,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:36:29,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:36:29,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:36:29,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:36:29,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:36:29,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:36:29,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:36:29,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:36:29,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:36:29,013 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:36:29,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:36:29,013 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:36:29,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:36:29,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:36:29,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:36:29,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:36:29,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:36:29,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:36:29,015 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:36:29,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:36:29,016 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:36:29,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:36:29,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:36:29,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:36:29,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:36:29,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:36:29,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:36:29,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:36:29,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:36:29,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:36:29,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:36:29,020 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:36:29,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:36:29,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:36:29,020 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_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3116e607f032f81b099fa1792f5e25b70e1832d9d57f1b8b6500e90d2143faec [2022-10-17 10:36:29,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:36:29,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:36:29,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:36:29,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:36:29,360 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:36:29,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/array-tiling/poly1.c [2022-10-17 10:36:29,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/data/559d5cb90/dac9c5f8d38445d6bbb169026d150411/FLAG9da7b2678 [2022-10-17 10:36:29,900 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:36:29,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/sv-benchmarks/c/array-tiling/poly1.c [2022-10-17 10:36:29,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/data/559d5cb90/dac9c5f8d38445d6bbb169026d150411/FLAG9da7b2678 [2022-10-17 10:36:30,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/data/559d5cb90/dac9c5f8d38445d6bbb169026d150411 [2022-10-17 10:36:30,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:36:30,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:36:30,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:36:30,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:36:30,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:36:30,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f8ddf95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30, skipping insertion in model container [2022-10-17 10:36:30,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:36:30,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:36:30,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/sv-benchmarks/c/array-tiling/poly1.c[396,409] [2022-10-17 10:36:30,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:36:30,535 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:36:30,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/sv-benchmarks/c/array-tiling/poly1.c[396,409] [2022-10-17 10:36:30,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:36:30,571 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:36:30,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30 WrapperNode [2022-10-17 10:36:30,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:36:30,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:36:30,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:36:30,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:36:30,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,611 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-10-17 10:36:30,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:36:30,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:36:30,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:36:30,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:36:30,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,636 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:36:30,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:36:30,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:36:30,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:36:30,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (1/1) ... [2022-10-17 10:36:30,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:36:30,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:36:30,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:36:30,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:36:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:36:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:36:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:36:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:36:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:36:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:36:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:36:30,805 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:36:30,807 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:36:30,948 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:36:30,955 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:36:30,956 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:36:30,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:36:30 BoogieIcfgContainer [2022-10-17 10:36:30,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:36:30,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:36:30,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:36:30,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:36:30,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:36:30" (1/3) ... [2022-10-17 10:36:30,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a323459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:36:30, skipping insertion in model container [2022-10-17 10:36:30,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:36:30" (2/3) ... [2022-10-17 10:36:30,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a323459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:36:30, skipping insertion in model container [2022-10-17 10:36:30,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:36:30" (3/3) ... [2022-10-17 10:36:30,970 INFO L112 eAbstractionObserver]: Analyzing ICFG poly1.c [2022-10-17 10:36:31,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:36:31,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:36:31,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:36:31,071 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;@77e50ba5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:36:31,071 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:36:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 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) [2022-10-17 10:36:31,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 10:36:31,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:36:31,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:36:31,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:36:31,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:36:31,093 INFO L85 PathProgramCache]: Analyzing trace with hash 126991449, now seen corresponding path program 1 times [2022-10-17 10:36:31,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:36:31,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609217320] [2022-10-17 10:36:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:31,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:36:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:31,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:36:31,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609217320] [2022-10-17 10:36:31,344 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-17 10:36:31,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424578098] [2022-10-17 10:36:31,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:31,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:31,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:36:31,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:36:31,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:36:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:31,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 10:36:31,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:36:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:36:31,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:36:31,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424578098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:36:31,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:36:31,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:36:31,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561857130] [2022-10-17 10:36:31,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:36:31,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:36:31,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:36:31,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:36:31,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:36:31,531 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-10-17 10:36:31,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:36:31,549 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2022-10-17 10:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:36:31,552 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-10-17 10:36:31,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:36:31,562 INFO L225 Difference]: With dead ends: 27 [2022-10-17 10:36:31,562 INFO L226 Difference]: Without dead ends: 12 [2022-10-17 10:36:31,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:36:31,571 INFO L413 NwaCegarLoop]: 18 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, 18 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 [2022-10-17 10:36:31,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:36:31,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-10-17 10:36:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-10-17 10:36:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-10-17 10:36:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2022-10-17 10:36:31,629 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 8 [2022-10-17 10:36:31,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:36:31,630 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-10-17 10:36:31,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-10-17 10:36:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-10-17 10:36:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 10:36:31,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:36:31,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:36:31,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:36:31,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-17 10:36:31,858 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:36:31,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:36:31,858 INFO L85 PathProgramCache]: Analyzing trace with hash 121450323, now seen corresponding path program 1 times [2022-10-17 10:36:31,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:36:31,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069309238] [2022-10-17 10:36:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:31,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:36:31,894 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:36:31,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377884905] [2022-10-17 10:36:31,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:31,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:31,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:36:31,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:36:31,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 10:36:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:31,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:36:31,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:36:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:36:32,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:36:32,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:36:32,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069309238] [2022-10-17 10:36:32,110 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:36:32,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377884905] [2022-10-17 10:36:32,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377884905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:36:32,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:36:32,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:36:32,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587231358] [2022-10-17 10:36:32,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:36:32,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:36:32,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:36:32,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:36:32,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:36:32,115 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-10-17 10:36:32,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:36:32,158 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-10-17 10:36:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:36:32,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-10-17 10:36:32,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:36:32,162 INFO L225 Difference]: With dead ends: 21 [2022-10-17 10:36:32,162 INFO L226 Difference]: Without dead ends: 14 [2022-10-17 10:36:32,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:36:32,165 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:36:32,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 15 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:36:32,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-10-17 10:36:32,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-10-17 10:36:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 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) [2022-10-17 10:36:32,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-10-17 10:36:32,183 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 8 [2022-10-17 10:36:32,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:36:32,184 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-10-17 10:36:32,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-10-17 10:36:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-10-17 10:36:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 10:36:32,185 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:36:32,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:36:32,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:36:32,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:32,409 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:36:32,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:36:32,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1899941007, now seen corresponding path program 1 times [2022-10-17 10:36:32,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:36:32,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132739237] [2022-10-17 10:36:32,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:32,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:36:32,431 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:36:32,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319734102] [2022-10-17 10:36:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:32,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:32,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:36:32,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:36:32,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-17 10:36:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:32,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:36:32,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:36:32,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:36:32,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:36:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:36:32,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:36:32,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132739237] [2022-10-17 10:36:32,650 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:36:32,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319734102] [2022-10-17 10:36:32,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319734102] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:36:32,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-17 10:36:32,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-10-17 10:36:32,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144628929] [2022-10-17 10:36:32,654 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-17 10:36:32,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:36:32,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:36:32,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:36:32,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:36:32,658 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-10-17 10:36:32,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:36:32,722 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-10-17 10:36:32,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:36:32,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 10 [2022-10-17 10:36:32,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:36:32,725 INFO L225 Difference]: With dead ends: 23 [2022-10-17 10:36:32,725 INFO L226 Difference]: Without dead ends: 16 [2022-10-17 10:36:32,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:36:32,730 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:36:32,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:36:32,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-10-17 10:36:32,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-10-17 10:36:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 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) [2022-10-17 10:36:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-10-17 10:36:32,745 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 10 [2022-10-17 10:36:32,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:36:32,745 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-10-17 10:36:32,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-10-17 10:36:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-10-17 10:36:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 10:36:32,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:36:32,747 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:36:32,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:36:32,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:32,965 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:36:32,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:36:32,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1163175951, now seen corresponding path program 2 times [2022-10-17 10:36:32,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:36:32,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403441976] [2022-10-17 10:36:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:32,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:36:32,998 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:36:32,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [694725164] [2022-10-17 10:36:32,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-17 10:36:32,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:32,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:36:33,014 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:36:33,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-17 10:36:33,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-17 10:36:33,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:36:33,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 10:36:33,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:36:33,173 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 49 [2022-10-17 10:36:33,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-10-17 10:36:33,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 10:36:33,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2022-10-17 10:36:33,310 INFO L356 Elim1Store]: treesize reduction 55, result has 1.8 percent of original size [2022-10-17 10:36:33,311 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 111 [2022-10-17 10:36:33,367 INFO L356 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2022-10-17 10:36:33,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 89 treesize of output 40 [2022-10-17 10:36:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:36:33,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:36:33,862 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2022-10-17 10:36:33,886 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 10:36:33,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 92 [2022-10-17 10:36:33,958 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 10:36:33,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 123 [2022-10-17 10:36:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:36:34,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:36:34,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403441976] [2022-10-17 10:36:34,036 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:36:34,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694725164] [2022-10-17 10:36:34,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694725164] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:36:34,037 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-17 10:36:34,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 15 [2022-10-17 10:36:34,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498791431] [2022-10-17 10:36:34,042 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-17 10:36:34,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-17 10:36:34,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:36:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-17 10:36:34,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:36:34,049 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:36:34,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:36:34,523 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2022-10-17 10:36:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-17 10:36:34,528 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-17 10:36:34,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:36:34,529 INFO L225 Difference]: With dead ends: 56 [2022-10-17 10:36:34,529 INFO L226 Difference]: Without dead ends: 54 [2022-10-17 10:36:34,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-17 10:36:34,531 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 81 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:36:34,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 57 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 90 Invalid, 0 Unknown, 34 Unchecked, 0.2s Time] [2022-10-17 10:36:34,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-10-17 10:36:34,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 22. [2022-10-17 10:36:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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) [2022-10-17 10:36:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-10-17 10:36:34,541 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 12 [2022-10-17 10:36:34,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:36:34,542 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-10-17 10:36:34,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:36:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-10-17 10:36:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 10:36:34,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:36:34,543 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:36:34,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:36:34,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:34,744 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:36:34,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:36:34,744 INFO L85 PathProgramCache]: Analyzing trace with hash -998974267, now seen corresponding path program 1 times [2022-10-17 10:36:34,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:36:34,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938584188] [2022-10-17 10:36:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:34,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:36:34,761 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:36:34,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730915343] [2022-10-17 10:36:34,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:34,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:34,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:36:34,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:36:34,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-17 10:36:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:36:34,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 10:36:34,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:36:34,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 49 [2022-10-17 10:36:34,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 10:36:34,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-10-17 10:36:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:36:35,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:36:35,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2022-10-17 10:36:35,327 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 10:36:35,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 92 [2022-10-17 10:36:35,409 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 10:36:35,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 59 [2022-10-17 10:36:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:36:45,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:36:45,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938584188] [2022-10-17 10:36:45,211 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:36:45,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730915343] [2022-10-17 10:36:45,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730915343] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:36:45,212 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-17 10:36:45,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2022-10-17 10:36:45,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511180928] [2022-10-17 10:36:45,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-17 10:36:45,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-17 10:36:45,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:36:45,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-17 10:36:45,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-10-17 10:36:45,214 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:36:48,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:36:48,229 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2022-10-17 10:36:48,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-17 10:36:48,230 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-17 10:36:48,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:36:48,231 INFO L225 Difference]: With dead ends: 60 [2022-10-17 10:36:48,231 INFO L226 Difference]: Without dead ends: 58 [2022-10-17 10:36:48,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2022-10-17 10:36:48,233 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 84 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:36:48,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 80 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:36:48,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-17 10:36:48,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 26. [2022-10-17 10:36:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 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) [2022-10-17 10:36:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-10-17 10:36:48,250 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 16 [2022-10-17 10:36:48,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:36:48,251 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-10-17 10:36:48,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:36:48,251 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-10-17 10:36:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 10:36:48,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:36:48,252 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:36:48,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:36:48,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:48,471 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:36:48,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:36:48,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1162437323, now seen corresponding path program 3 times [2022-10-17 10:36:48,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:36:48,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362082823] [2022-10-17 10:36:48,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:36:48,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:36:48,485 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:36:48,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828351672] [2022-10-17 10:36:48,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-17 10:36:48,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:36:48,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:36:48,487 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:36:48,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d585dc-4694-49da-9e02-975161d4ac3b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-17 10:36:48,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-10-17 10:36:48,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:36:48,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 10:36:48,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:36:48,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 49 [2022-10-17 10:36:48,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-10-17 10:36:48,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 10:36:48,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2022-10-17 10:36:48,777 INFO L356 Elim1Store]: treesize reduction 55, result has 1.8 percent of original size [2022-10-17 10:36:48,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 111 [2022-10-17 10:36:48,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 10:36:48,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 10:36:49,019 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-10-17 10:36:49,030 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-10-17 10:36:49,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 95 [2022-10-17 10:36:49,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 10:36:50,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 53 [2022-10-17 10:36:50,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 41 [2022-10-17 10:36:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:36:50,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:36:54,488 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse0 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse0 1) c_~SIZE~0) (= (select (store .cse1 (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse0)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1) c_~SIZE~0) (= (select (store .cse1 (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))))) is different from false [2022-10-17 10:36:56,725 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (<= .cse9 2147483647)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse5 (* .cse9 8))) (and (or .cse0 (let ((.cse2 (+ .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 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_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse4 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= (select (store (store .cse1 .cse2 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))))) (or (not .cse0) (let ((.cse6 (+ .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse7 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store .cse1 .cse6 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store .cse1 .cse6 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))))))))) is different from false [2022-10-17 10:36:58,931 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse0 (<= .cse9 2147483647)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse5 (* .cse9 8))) (and (or (not .cse0) (let ((.cse2 (+ .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse3 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store .cse1 .cse2 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse3)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse4 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4 1) c_~SIZE~0) (= (select (store (store .cse1 .cse2 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))))) (or .cse0 (let ((.cse7 (+ .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse6 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= (select (store (store .cse1 .cse7 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (= (select (store (store .cse1 .cse7 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))))))))) is different from false [2022-10-17 10:37:01,340 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse19 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse7 (<= .cse19 2147483647)) (.cse18 (* .cse19 8)) (.cse17 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (<= .cse17 2147483647)) (.cse5 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse1 (not .cse7)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse9 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse11 (* .cse17 8))) (and (or .cse0 (let ((.cse4 (+ .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or .cse1 (and (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1) c_~SIZE~0) (= (select (store (store (store .cse3 .cse4 v_ArrVal_70) .cse5 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse6 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6)) (= (select (store (store (store .cse3 .cse4 v_ArrVal_70) .cse5 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))))) (or .cse7 (and (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (= (select (store (store (store .cse3 .cse4 v_ArrVal_70) .cse9 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse10 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store .cse3 .cse4 v_ArrVal_70) .cse9 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))))))) (or (not .cse0) (let ((.cse13 (+ .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (and (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse12 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store .cse3 .cse13 v_ArrVal_70) .cse5 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse14 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14)) (= (select (store (store (store .cse3 .cse13 v_ArrVal_70) .cse5 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) .cse1) (or .cse7 (and (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse15 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store .cse3 .cse13 v_ArrVal_70) .cse9 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse16 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store .cse3 .cse13 v_ArrVal_70) .cse9 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse16 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse16)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))))))))))) is different from false [2022-10-17 10:37:03,837 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse19 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse6 (<= .cse19 2147483647)) (.cse18 (* 8 .cse19)) (.cse17 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse0 (<= .cse17 2147483647)) (.cse3 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse8 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (not .cse6)) (.cse11 (* .cse17 8))) (and (or .cse0 (let ((.cse2 (+ .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or (and (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse4 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store .cse1 .cse2 v_ArrVal_70) .cse3 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse5 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store .cse1 .cse2 v_ArrVal_70) .cse3 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse5 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse5)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) .cse6) (or .cse7 (and (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store .cse1 .cse2 v_ArrVal_70) .cse8 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse10 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10)) (= (select (store (store (store .cse1 .cse2 v_ArrVal_70) .cse8 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))))))) (or (not .cse0) (let ((.cse13 (+ .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (and (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse12 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12)) (= (select (store (store (store .cse1 .cse13 v_ArrVal_70) .cse3 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse14 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14)) (= (select (store (store (store .cse1 .cse13 v_ArrVal_70) .cse3 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))) .cse6) (or (and (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse15 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15 1) c_~SIZE~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse15)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= 0 (select (store (store (store .cse1 .cse13 v_ArrVal_70) .cse8 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (forall ((v_ArrVal_70 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_72 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_74 Int)) (let ((.cse16 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse16 1) c_~SIZE~0) (<= c_~SIZE~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse16)) (= (select (store (store (store .cse1 .cse13 v_ArrVal_70) .cse8 v_ArrVal_72) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_74) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) .cse7)))))))) is different from false [2022-10-17 10:37:04,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2022-10-17 10:37:04,112 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 10:37:04,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 92 [2022-10-17 10:37:05,180 INFO L356 Elim1Store]: treesize reduction 22, result has 56.0 percent of original size [2022-10-17 10:37:05,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 1008 treesize of output 975 [2022-10-17 10:37:09,500 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 10:37:09,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1774 treesize of output 1731