./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ss4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro --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 cb671fec0d42514b04873418e954f5a2df95ef7f393045434a478c03667a31d2 --- 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-8393723 [2022-11-18 20:51:21,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:51:21,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:51:21,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:51:21,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:51:21,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:51:21,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:51:21,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:51:21,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:51:21,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:51:21,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:51:21,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:51:21,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:51:21,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:51:21,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:51:21,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:51:21,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:51:21,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:51:21,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:51:21,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:51:21,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:51:21,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:51:21,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:51:21,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:51:21,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:51:21,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:51:21,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:51:21,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:51:21,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:51:21,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:51:21,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:51:21,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:51:21,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:51:21,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:51:21,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:51:21,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:51:21,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:51:21,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:51:21,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:51:21,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:51:21,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:51:21,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:51:21,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:51:21,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:51:21,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:51:21,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:51:21,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:51:21,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:51:21,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:51:21,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:51:21,245 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:51:21,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:51:21,246 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:51:21,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:51:21,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:51:21,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:51:21,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:51:21,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:51:21,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:51:21,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:51:21,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:51:21,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:51:21,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:51:21,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:51:21,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:51:21,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:51:21,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:51:21,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:51:21,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:51:21,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:51:21,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:51:21,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:51:21,252 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:51:21,252 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:51:21,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:51:21,253 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_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb671fec0d42514b04873418e954f5a2df95ef7f393045434a478c03667a31d2 [2022-11-18 20:51:21,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:51:21,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:51:21,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:51:21,641 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:51:21,642 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:51:21,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-fpi/ss4.c [2022-11-18 20:51:21,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/data/8606f500c/02965a948e15409cb29a35122ac87fbb/FLAGfb6486c82 [2022-11-18 20:51:22,265 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:51:22,265 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/sv-benchmarks/c/array-fpi/ss4.c [2022-11-18 20:51:22,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/data/8606f500c/02965a948e15409cb29a35122ac87fbb/FLAGfb6486c82 [2022-11-18 20:51:22,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/data/8606f500c/02965a948e15409cb29a35122ac87fbb [2022-11-18 20:51:22,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:51:22,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:51:22,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:51:22,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:51:22,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:51:22,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:22,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1309713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22, skipping insertion in model container [2022-11-18 20:51:22,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:22,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:51:22,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:51:22,917 WARN L234 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_80ba4617-8188-4e03-b1dd-b21da9ac746f/sv-benchmarks/c/array-fpi/ss4.c[586,599] [2022-11-18 20:51:22,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:51:22,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:51:22,960 WARN L234 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_80ba4617-8188-4e03-b1dd-b21da9ac746f/sv-benchmarks/c/array-fpi/ss4.c[586,599] [2022-11-18 20:51:22,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:51:22,985 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:51:22,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22 WrapperNode [2022-11-18 20:51:22,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:51:22,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:51:22,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:51:22,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:51:22,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,024 INFO L138 Inliner]: procedures = 17, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2022-11-18 20:51:23,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:51:23,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:51:23,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:51:23,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:51:23,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:51:23,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:51:23,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:51:23,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:51:23,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (1/1) ... [2022-11-18 20:51:23,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:51:23,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:23,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:23,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:51:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:51:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:51:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:51:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:51:23,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:51:23,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:51:23,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:51:23,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:51:23,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:51:23,269 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:51:23,272 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:51:23,470 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:51:23,477 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:51:23,477 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 20:51:23,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:23 BoogieIcfgContainer [2022-11-18 20:51:23,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:51:23,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:51:23,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:51:23,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:51:23,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:51:22" (1/3) ... [2022-11-18 20:51:23,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3b7ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:51:23, skipping insertion in model container [2022-11-18 20:51:23,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:22" (2/3) ... [2022-11-18 20:51:23,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3b7ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:51:23, skipping insertion in model container [2022-11-18 20:51:23,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:23" (3/3) ... [2022-11-18 20:51:23,490 INFO L112 eAbstractionObserver]: Analyzing ICFG ss4.c [2022-11-18 20:51:23,534 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:51:23,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:51:23,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:51:23,610 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;@a048b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:51:23,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:51:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 20:51:23,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:51:23,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:51:23,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:51:23,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:23,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1202110748, now seen corresponding path program 1 times [2022-11-18 20:51:23,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:23,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191152910] [2022-11-18 20:51:23,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:23,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:23,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:51:23,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191152910] [2022-11-18 20:51:23,846 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-18 20:51:23,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692751186] [2022-11-18 20:51:23,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:23,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:23,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:23,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:51:23,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:51:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:24,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 20:51:24,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:24,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:51:24,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692751186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:51:24,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:51:24,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:51:24,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700151858] [2022-11-18 20:51:24,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:51:24,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:51:24,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:51:24,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:51:24,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:51:24,096 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:24,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:51:24,125 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2022-11-18 20:51:24,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:51:24,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-18 20:51:24,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:51:24,149 INFO L225 Difference]: With dead ends: 44 [2022-11-18 20:51:24,150 INFO L226 Difference]: Without dead ends: 20 [2022-11-18 20:51:24,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:51:24,157 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:51:24,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:51:24,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-18 20:51:24,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-18 20:51:24,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:24,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-11-18 20:51:24,236 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 15 [2022-11-18 20:51:24,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:51:24,237 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-18 20:51:24,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:24,240 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-18 20:51:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 20:51:24,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:51:24,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:51:24,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:24,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-18 20:51:24,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:51:24,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:24,449 INFO L85 PathProgramCache]: Analyzing trace with hash -944124056, now seen corresponding path program 1 times [2022-11-18 20:51:24,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:24,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244326393] [2022-11-18 20:51:24,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:24,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:24,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:51:24,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244326393] [2022-11-18 20:51:24,540 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-18 20:51:24,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609787962] [2022-11-18 20:51:24,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:24,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:24,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:24,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:51:24,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:51:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:24,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:51:24,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:24,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:51:24,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609787962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:51:24,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:51:24,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:51:24,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615937901] [2022-11-18 20:51:24,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:51:24,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:51:24,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:51:24,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:51:24,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:51:24,809 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:24,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:51:24,918 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2022-11-18 20:51:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:51:24,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-18 20:51:24,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:51:24,919 INFO L225 Difference]: With dead ends: 41 [2022-11-18 20:51:24,920 INFO L226 Difference]: Without dead ends: 28 [2022-11-18 20:51:24,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:51:24,922 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 31 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:51:24,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 12 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:51:24,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-18 20:51:24,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2022-11-18 20:51:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-11-18 20:51:24,931 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2022-11-18 20:51:24,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:51:24,932 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-11-18 20:51:24,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-18 20:51:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 20:51:24,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:51:24,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:51:24,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:25,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:25,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:51:25,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:25,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1401448688, now seen corresponding path program 1 times [2022-11-18 20:51:25,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:25,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936137981] [2022-11-18 20:51:25,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:25,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:25,207 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:51:25,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [969161801] [2022-11-18 20:51:25,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:25,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:25,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:25,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:51:25,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:51:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:25,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-18 20:51:25,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:25,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 20:51:25,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-18 20:51:25,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-18 20:51:26,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-18 20:51:26,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-18 20:51:26,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2022-11-18 20:51:26,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-18 20:51:26,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-18 20:51:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:26,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:51:27,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:51:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:27,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:51:27,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936137981] [2022-11-18 20:51:27,664 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:51:27,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969161801] [2022-11-18 20:51:27,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969161801] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:51:27,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:51:27,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2022-11-18 20:51:27,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399206726] [2022-11-18 20:51:27,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:51:27,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 20:51:27,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:51:27,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 20:51:27,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=628, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:51:27,670 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:30,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:51:30,041 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2022-11-18 20:51:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:51:30,042 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-18 20:51:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:51:30,043 INFO L225 Difference]: With dead ends: 45 [2022-11-18 20:51:30,043 INFO L226 Difference]: Without dead ends: 41 [2022-11-18 20:51:30,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=301, Invalid=1421, Unknown=0, NotChecked=0, Total=1722 [2022-11-18 20:51:30,045 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 64 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:51:30,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 47 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 263 Invalid, 0 Unknown, 4 Unchecked, 0.8s Time] [2022-11-18 20:51:30,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-18 20:51:30,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2022-11-18 20:51:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2022-11-18 20:51:30,058 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 23 [2022-11-18 20:51:30,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:51:30,059 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2022-11-18 20:51:30,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-18 20:51:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 20:51:30,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:51:30,061 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:51:30,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:30,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:30,267 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:51:30,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:30,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1774307726, now seen corresponding path program 2 times [2022-11-18 20:51:30,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:30,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507909666] [2022-11-18 20:51:30,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:30,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:30,303 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:51:30,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585437295] [2022-11-18 20:51:30,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:51:30,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:30,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:30,306 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:51:30,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:51:30,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:51:30,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:51:30,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:51:30,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 20:51:30,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:51:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 20:51:30,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:51:30,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507909666] [2022-11-18 20:51:30,573 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:51:30,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585437295] [2022-11-18 20:51:30,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585437295] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:51:30,574 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:51:30,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-18 20:51:30,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144565429] [2022-11-18 20:51:30,575 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:51:30,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:51:30,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:51:30,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:51:30,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:51:30,577 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 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) [2022-11-18 20:51:30,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:51:30,767 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2022-11-18 20:51:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:51:30,768 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 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) Word has length 25 [2022-11-18 20:51:30,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:51:30,774 INFO L225 Difference]: With dead ends: 79 [2022-11-18 20:51:30,774 INFO L226 Difference]: Without dead ends: 53 [2022-11-18 20:51:30,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:51:30,779 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 76 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:51:30,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 26 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:51:30,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-18 20:51:30,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 38. [2022-11-18 20:51:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:30,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-11-18 20:51:30,802 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2022-11-18 20:51:30,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:51:30,803 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-11-18 20:51:30,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 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) [2022-11-18 20:51:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-11-18 20:51:30,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 20:51:30,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:51:30,805 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:51:30,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:31,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:31,017 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:51:31,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:31,018 INFO L85 PathProgramCache]: Analyzing trace with hash 119582130, now seen corresponding path program 3 times [2022-11-18 20:51:31,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:31,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886165739] [2022-11-18 20:51:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:31,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:31,064 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:51:31,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1340527533] [2022-11-18 20:51:31,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:51:31,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:31,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:31,066 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:51:31,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:51:31,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-18 20:51:31,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:51:31,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:51:31,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 20:51:31,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:51:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 20:51:31,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:51:31,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886165739] [2022-11-18 20:51:31,310 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:51:31,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340527533] [2022-11-18 20:51:31,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340527533] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:51:31,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:51:31,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-18 20:51:31,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639724076] [2022-11-18 20:51:31,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:51:31,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:51:31,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:51:31,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:51:31,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:51:31,313 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 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) [2022-11-18 20:51:31,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:51:31,490 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2022-11-18 20:51:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:51:31,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 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) Word has length 25 [2022-11-18 20:51:31,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:51:31,493 INFO L225 Difference]: With dead ends: 47 [2022-11-18 20:51:31,493 INFO L226 Difference]: Without dead ends: 35 [2022-11-18 20:51:31,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:51:31,494 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 52 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:51:31,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 23 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:51:31,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-18 20:51:31,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-11-18 20:51:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-11-18 20:51:31,508 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 25 [2022-11-18 20:51:31,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:51:31,509 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-11-18 20:51:31,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 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) [2022-11-18 20:51:31,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-11-18 20:51:31,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 20:51:31,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:51:31,510 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:51:31,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:31,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:31,717 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:51:31,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:31,718 INFO L85 PathProgramCache]: Analyzing trace with hash 666081912, now seen corresponding path program 4 times [2022-11-18 20:51:31,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:31,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395097833] [2022-11-18 20:51:31,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:31,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:31,768 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:51:31,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1064997641] [2022-11-18 20:51:31,772 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:51:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:31,773 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:51:31,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 20:51:31,944 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:51:31,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:51:31,947 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 78 conjunts are in the unsatisfiable core [2022-11-18 20:51:31,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:31,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-18 20:51:31,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 20:51:32,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-18 20:51:32,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:51:32,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:51:32,088 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:51:32,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2022-11-18 20:51:32,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:51:32,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:51:32,328 INFO L321 Elim1Store]: treesize reduction 63, result has 19.2 percent of original size [2022-11-18 20:51:32,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 42 [2022-11-18 20:51:32,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:51:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:51:32,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:51:32,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2022-11-18 20:51:32,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:51:32,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:51:32,776 INFO L321 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2022-11-18 20:51:32,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 61 treesize of output 53 [2022-11-18 20:51:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:51:32,974 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:51:32,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 39 [2022-11-18 20:51:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:51:33,123 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-18 20:51:33,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 39 [2022-11-18 20:51:33,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:51:33,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:51:33,238 INFO L321 Elim1Store]: treesize reduction 63, result has 19.2 percent of original size [2022-11-18 20:51:33,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 57 treesize of output 46 [2022-11-18 20:51:33,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2022-11-18 20:51:33,566 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 20:51:33,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 38 [2022-11-18 20:51:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:33,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:51:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:47,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:51:47,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395097833] [2022-11-18 20:51:47,247 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:51:47,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064997641] [2022-11-18 20:51:47,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064997641] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:51:47,248 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:51:47,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2022-11-18 20:51:47,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671421532] [2022-11-18 20:51:47,249 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:51:47,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-18 20:51:47,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:51:47,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-18 20:51:47,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1657, Unknown=1, NotChecked=0, Total=1892 [2022-11-18 20:51:47,251 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 44 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:52:29,738 WARN L233 SmtUtils]: Spent 11.39s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:53:25,032 WARN L233 SmtUtils]: Spent 20.02s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:53:34,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:54:16,410 WARN L233 SmtUtils]: Spent 15.63s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:54:32,167 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:54:38,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:54:40,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:54:43,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:54:56,964 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:56:35,130 WARN L233 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:57:11,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:13,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:15,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:17,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:19,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:20,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:23,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:24,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:29,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:30,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 20:57:37,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:57:37,039 INFO L93 Difference]: Finished difference Result 99 states and 114 transitions. [2022-11-18 20:57:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-18 20:57:37,047 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 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 31 [2022-11-18 20:57:37,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:57:37,050 INFO L225 Difference]: With dead ends: 99 [2022-11-18 20:57:37,053 INFO L226 Difference]: Without dead ends: 85 [2022-11-18 20:57:37,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 302.5s TimeCoverageRelationStatistics Valid=664, Invalid=5186, Unknown=2, NotChecked=0, Total=5852 [2022-11-18 20:57:37,059 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 36 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 212 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 179 IncrementalHoareTripleChecker+Unchecked, 60.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:57:37,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 106 Invalid, 1164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 766 Invalid, 7 Unknown, 179 Unchecked, 60.5s Time] [2022-11-18 20:57:37,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-18 20:57:37,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 67. [2022-11-18 20:57:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 66 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:57:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2022-11-18 20:57:37,100 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 31 [2022-11-18 20:57:37,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:57:37,101 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2022-11-18 20:57:37,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:57:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2022-11-18 20:57:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-18 20:57:37,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:57:37,103 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:57:37,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:57:37,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:57:37,310 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:57:37,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:57:37,311 INFO L85 PathProgramCache]: Analyzing trace with hash 207824378, now seen corresponding path program 5 times [2022-11-18 20:57:37,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:57:37,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296119900] [2022-11-18 20:57:37,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:57:37,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:57:37,355 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:57:37,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [126731875] [2022-11-18 20:57:37,355 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 20:57:37,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:57:37,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:57:37,357 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:57:37,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:57:37,571 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-11-18 20:57:37,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:57:37,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:57:37,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:57:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 20:57:37,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:57:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 20:57:37,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:57:37,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296119900] [2022-11-18 20:57:37,907 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:57:37,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126731875] [2022-11-18 20:57:37,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126731875] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:57:37,907 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:57:37,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-18 20:57:37,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434519181] [2022-11-18 20:57:37,908 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:57:37,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:57:37,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:57:37,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:57:37,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:57:37,910 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:57:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:57:38,283 INFO L93 Difference]: Finished difference Result 129 states and 147 transitions. [2022-11-18 20:57:38,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:57:38,284 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-18 20:57:38,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:57:38,285 INFO L225 Difference]: With dead ends: 129 [2022-11-18 20:57:38,285 INFO L226 Difference]: Without dead ends: 74 [2022-11-18 20:57:38,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:57:38,286 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 110 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:57:38,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 28 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:57:38,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-18 20:57:38,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 60. [2022-11-18 20:57:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 59 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:57:38,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2022-11-18 20:57:38,312 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 33 [2022-11-18 20:57:38,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:57:38,313 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2022-11-18 20:57:38,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:57:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-11-18 20:57:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-18 20:57:38,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:57:38,315 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:57:38,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:57:38,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-18 20:57:38,522 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:57:38,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:57:38,523 INFO L85 PathProgramCache]: Analyzing trace with hash 236928956, now seen corresponding path program 6 times [2022-11-18 20:57:38,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:57:38,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193076920] [2022-11-18 20:57:38,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:57:38,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:57:38,580 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:57:38,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795453774] [2022-11-18 20:57:38,585 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 20:57:38,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:57:38,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:57:38,587 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:57:38,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 20:57:38,730 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-18 20:57:38,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:57:38,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:57:38,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:57:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-18 20:57:38,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:57:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-18 20:57:39,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:57:39,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193076920] [2022-11-18 20:57:39,034 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:57:39,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795453774] [2022-11-18 20:57:39,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795453774] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:57:39,034 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:57:39,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-18 20:57:39,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88615639] [2022-11-18 20:57:39,035 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:57:39,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:57:39,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:57:39,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:57:39,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:57:39,037 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:57:39,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:57:39,433 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2022-11-18 20:57:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:57:39,434 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-18 20:57:39,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:57:39,435 INFO L225 Difference]: With dead ends: 69 [2022-11-18 20:57:39,435 INFO L226 Difference]: Without dead ends: 53 [2022-11-18 20:57:39,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:57:39,436 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 69 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:57:39,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 30 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:57:39,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-18 20:57:39,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 40. [2022-11-18 20:57:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:57:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-11-18 20:57:39,455 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 35 [2022-11-18 20:57:39,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:57:39,456 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-11-18 20:57:39,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:57:39,456 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-18 20:57:39,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 20:57:39,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:57:39,457 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:57:39,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:57:39,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 20:57:39,664 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:57:39,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:57:39,665 INFO L85 PathProgramCache]: Analyzing trace with hash 315843584, now seen corresponding path program 7 times [2022-11-18 20:57:39,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:57:39,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385912336] [2022-11-18 20:57:39,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:57:39,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:57:39,695 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:57:39,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379405060] [2022-11-18 20:57:39,695 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:57:39,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:57:39,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:57:39,697 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:57:39,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba4617-8188-4e03-b1dd-b21da9ac746f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 20:57:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:57:39,886 WARN L261 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 102 conjunts are in the unsatisfiable core [2022-11-18 20:57:39,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:57:39,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-18 20:57:39,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 20:57:40,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-18 20:57:40,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-18 20:57:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:40,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:40,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-18 20:57:40,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:40,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:57:40,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:40,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2022-11-18 20:57:41,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:57:41,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 54 [2022-11-18 20:57:41,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 47 [2022-11-18 20:57:41,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:57:41,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 51 [2022-11-18 20:57:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:41,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:57:41,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2022-11-18 20:57:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 51 [2022-11-18 20:57:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2022-11-18 20:57:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:57:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2022-11-18 20:57:42,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:57:42,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:57:42,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 49 [2022-11-18 20:57:43,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2022-11-18 20:57:43,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2022-11-18 20:57:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:57:43,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:59:25,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:59:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:25,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:25,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385912336] [2022-11-18 20:59:25,794 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:59:25,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379405060] [2022-11-18 20:59:25,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379405060] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:59:25,794 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:59:25,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 58 [2022-11-18 20:59:25,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690103328] [2022-11-18 20:59:25,795 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:59:25,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-11-18 20:59:25,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:25,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-11-18 20:59:25,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=3008, Unknown=5, NotChecked=0, Total=3306 [2022-11-18 20:59:25,799 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 58 states, 58 states have (on average 1.293103448275862) internal successors, (75), 58 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:59:52,125 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse87 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse85 (* 8 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse0 (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (.cse84 (store .cse87 (+ .cse85 |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) (.cse86 (+ .cse85 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse69 (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0))) (let ((.cse19 (not .cse69)) (.cse18 (store .cse87 .cse86 1)) (.cse34 (store .cse84 .cse86 1)) (.cse52 (+ .cse85 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse36 (not .cse0)) (.cse53 (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (.cse35 (<= (mod c_~N~0 4294967296) 536870911)) (.cse1 (+ c_~N~0 (* c_~N~0 c_~N~0))) (.cse6 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or .cse0 (= .cse1 (let ((.cse2 (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18))) (let ((.cse17 (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse13 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse14 (select (select (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse15))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse12 (select (select (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse8 (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse12 .cse13 .cse14 .cse15))))) (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse10 (select .cse8 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse9 (let ((.cse11 (store .cse10 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse12 (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse13 .cse14 .cse15)))) (store .cse11 .cse7 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse10 .cse7)))))) (store .cse9 .cse6 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse10 .cse6)))))))))))))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse4 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse5 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse4)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse4 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse4 .cse5)))))) .cse19) (or (= .cse1 (let ((.cse20 (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse33 (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse28 (select .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse29 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse31 (select (select (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse28 .cse29))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse30 (select (select (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse28 .cse29 .cse31))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse24 (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse28 .cse29 .cse30 .cse31))))) (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse26 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse25 (let ((.cse27 (store .cse26 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse28 .cse29 .cse30 (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse31)))) (store .cse27 .cse7 (+ (select .cse26 .cse7) (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse25 .cse6 (+ (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse26 .cse6)))))))))))))) (let ((.cse21 (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse23 (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse22 (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse23)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse22 .cse23))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse22 .cse23)))))) .cse0 .cse19) .cse35 (or .cse36 (= .cse1 (let ((.cse37 (let ((.cse51 (store .cse18 .cse52 1))) (let ((.cse49 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse51))) (let ((.cse50 (select .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse45 (select .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse48 (select .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse47 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse46 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse47 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse41 (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse46 .cse47 .cse48))))) (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse43 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse42 (let ((.cse44 (store .cse43 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse45 .cse46 .cse47 .cse48 (select .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store .cse44 .cse7 (+ (select (select (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse43 .cse7)))))) (store .cse42 .cse6 (+ (select .cse43 .cse6) (select (select (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| .cse42) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))))))))))))) (let ((.cse38 (select .cse37 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse39 (select (select (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse38 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse40 (select (select (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse38 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse39)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse38 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse39 .cse40))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse39 .cse40)))))) .cse53) (or (= .cse1 (let ((.cse54 (let ((.cse68 (store .cse34 .cse52 1))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse68))) (let ((.cse67 (select .cse66 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse62 (select .cse67 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse63 (select .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse64 (select (select (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse67 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse62 .cse63))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse67 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse62 .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse58 (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse67 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse62 .cse63 .cse64 .cse65))))) (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse60 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse59 (let ((.cse61 (store .cse60 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse62 .cse63 .cse64 .cse65 (select .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store .cse61 .cse7 (+ (select .cse60 .cse7) (select (select (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| .cse61) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse59 .cse6 (+ (select .cse60 .cse6) (select (select (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| .cse59) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))))))))))))) (let ((.cse55 (select .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse56 (select (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse57 (select (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse56)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse56 .cse57))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse56 .cse57)))))) .cse36 .cse53) (or (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse35) (and (not .cse35) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0))) (or .cse69 (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (= .cse1 (let ((.cse71 (let ((.cse82 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse84))) (let ((.cse83 (select .cse82 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse78 (select .cse83 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse81 (select .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse80 (select (select (store .cse82 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse83 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse78 .cse81))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse79 (select (select (store .cse82 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse83 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse78 .cse80 .cse81))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse74 (store .cse82 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse83 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse78 .cse79 .cse80 .cse81))))) (store .cse74 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse76 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse75 (let ((.cse77 (store .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse78 .cse79 (select .cse76 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse80 .cse81)))) (store .cse77 .cse7 (+ (select (select (store .cse74 |c_ULTIMATE.start_main_~a~0#1.base| .cse77) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse76 .cse7)))))) (store .cse75 .cse6 (+ (select (select (store .cse74 |c_ULTIMATE.start_main_~a~0#1.base| .cse75) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse76 .cse6)))))))))))))) (let ((.cse72 (select .cse71 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse70 (select (select (store .cse71 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse72 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse73 (select (select (store .cse71 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse72 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse70)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse70 (select (select (store .cse71 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse72 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse70 .cse73))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse73))))))))))) is different from false [2022-11-18 21:00:03,772 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse83 (* 8 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse82 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse0 (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (.cse20 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse84 (+ .cse83 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse19 (not (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0))) (.cse18 (store .cse20 .cse84 1)) (.cse35 (store (store .cse20 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|) 1) .cse84 1)) (.cse52 (+ .cse83 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse36 (not .cse0)) (.cse53 (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse1 (+ c_~N~0 (* c_~N~0 c_~N~0))) (.cse6 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse81 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse78 (select .cse82 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (and (or .cse0 (= .cse1 (let ((.cse2 (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18))) (let ((.cse17 (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse13 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse14 (select (select (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse15))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse12 (select (select (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse8 (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse12 .cse13 .cse14 .cse15))))) (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse10 (select .cse8 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse9 (let ((.cse11 (store .cse10 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse12 (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse13 .cse14 .cse15)))) (store .cse11 .cse7 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse10 .cse7)))))) (store .cse9 .cse6 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse10 .cse6)))))))))))))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse4 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse5 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse4)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse4 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse4 .cse5)))))) .cse19) (= (select .cse20 .cse7) 1) (< 2 c_~N~0) (or (= .cse1 (let ((.cse21 (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35))) (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse29 (select .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse30 (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse29 .cse30))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse31 (select (select (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse29 .cse30 .cse32))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse25 (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse29 .cse30 .cse31 .cse32))))) (store .cse25 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse27 (select .cse25 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse26 (let ((.cse28 (store .cse27 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse29 .cse30 .cse31 (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse32)))) (store .cse28 .cse7 (+ (select .cse27 .cse7) (select (select (store .cse25 |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse26 .cse6 (+ (select (select (store .cse25 |c_ULTIMATE.start_main_~a~0#1.base| .cse26) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse27 .cse6)))))))))))))) (let ((.cse22 (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse24 (select (select (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse23 (select (select (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse24)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse23 .cse24))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse23 .cse24)))))) .cse0 .cse19) (not (= |c_ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (or .cse36 (= .cse1 (let ((.cse37 (let ((.cse51 (store .cse18 .cse52 1))) (let ((.cse49 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse51))) (let ((.cse50 (select .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse45 (select .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse48 (select .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse47 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse46 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse47 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse41 (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse46 .cse47 .cse48))))) (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse43 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse42 (let ((.cse44 (store .cse43 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse45 .cse46 .cse47 .cse48 (select .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store .cse44 .cse7 (+ (select (select (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse43 .cse7)))))) (store .cse42 .cse6 (+ (select .cse43 .cse6) (select (select (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| .cse42) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))))))))))))) (let ((.cse38 (select .cse37 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse39 (select (select (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse38 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse40 (select (select (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse38 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse39)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse38 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse39 .cse40))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse39 .cse40)))))) .cse53) (or (= .cse1 (let ((.cse54 (let ((.cse68 (store .cse35 .cse52 1))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse68))) (let ((.cse67 (select .cse66 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse62 (select .cse67 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse63 (select .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse64 (select (select (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse67 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse62 .cse63))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse67 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse62 .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse58 (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse67 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse62 .cse63 .cse64 .cse65))))) (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse60 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse59 (let ((.cse61 (store .cse60 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse62 .cse63 .cse64 .cse65 (select .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store .cse61 .cse7 (+ (select .cse60 .cse7) (select (select (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| .cse61) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse59 .cse6 (+ (select .cse60 .cse6) (select (select (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| .cse59) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))))))))))))) (let ((.cse55 (select .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse56 (select (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse57 (select (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse56)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse56 .cse57))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse56 .cse57)))))) .cse36 .cse53) (let ((.cse69 (<= (mod c_~N~0 4294967296) 536870911))) (or (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse69) (and (not .cse69) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0)))) (or (= (let ((.cse72 (let ((.cse79 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse82 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse78 .cse81))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse80 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse82 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse78 .cse79 .cse81))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse74 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse82 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse78 .cse79 .cse80 .cse81))))) (store .cse74 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse76 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse75 (let ((.cse77 (store .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse78 .cse79 (select .cse76 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse80 .cse81)))) (store .cse77 .cse7 (+ (select .cse76 .cse7) (select (select (store .cse74 |c_ULTIMATE.start_main_~a~0#1.base| .cse77) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse75 .cse6 (+ (select .cse76 .cse6) (select (select (store .cse74 |c_ULTIMATE.start_main_~a~0#1.base| .cse75) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))))))))) (let ((.cse73 (select .cse72 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse71 (select (select (store .cse72 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse73 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse70 (select (select (store .cse72 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse73 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse71)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse70 .cse71 (select (select (store .cse72 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse73 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse70 .cse71))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6)))))) .cse1) (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (= (select .cse20 .cse6) 1) (= .cse81 1) (<= c_~N~0 3) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= .cse78 3))))) is different from true [2022-11-18 21:01:24,119 WARN L233 SmtUtils]: Spent 16.88s on a formula simplification. DAG size of input: 307 DAG size of output: 44 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 21:01:31,756 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse86 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse84 (* 8 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse0 (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (.cse83 (store .cse86 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) (.cse85 (+ .cse84 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse68 (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0))) (let ((.cse19 (not .cse68)) (.cse18 (store .cse86 .cse85 1)) (.cse34 (store .cse83 .cse85 1)) (.cse51 (+ .cse84 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse35 (not .cse0)) (.cse52 (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (.cse1 (+ c_~N~0 (* c_~N~0 c_~N~0))) (.cse6 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or .cse0 (= .cse1 (let ((.cse2 (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18))) (let ((.cse17 (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse13 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse14 (select (select (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse15))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse12 (select (select (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse8 (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse12 .cse13 .cse14 .cse15))))) (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse10 (select .cse8 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse9 (let ((.cse11 (store .cse10 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse12 (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse13 .cse14 .cse15)))) (store .cse11 .cse7 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse10 .cse7)))))) (store .cse9 .cse6 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse10 .cse6)))))))))))))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse4 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse5 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse4)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse4 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse4 .cse5)))))) .cse19) (or (= .cse1 (let ((.cse20 (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse33 (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse28 (select .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse29 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse31 (select (select (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse28 .cse29))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse30 (select (select (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse28 .cse29 .cse31))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse24 (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse28 .cse29 .cse30 .cse31))))) (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse26 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse25 (let ((.cse27 (store .cse26 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse28 .cse29 .cse30 (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse31)))) (store .cse27 .cse7 (+ (select .cse26 .cse7) (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse25 .cse6 (+ (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse26 .cse6)))))))))))))) (let ((.cse21 (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse23 (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse22 (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse23)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse22 .cse23))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse22 .cse23)))))) .cse0 .cse19) (<= (mod c_~N~0 4294967296) 536870911) (or .cse35 (= .cse1 (let ((.cse36 (let ((.cse50 (store .cse18 .cse51 1))) (let ((.cse48 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse50))) (let ((.cse49 (select .cse48 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse44 (select .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse47 (select .cse49 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse46 (select (select (store .cse48 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse44 .cse47))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse45 (select (select (store .cse48 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse44 .cse46 .cse47))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse40 (store .cse48 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse44 .cse45 .cse46 .cse47))))) (store .cse40 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse42 (select .cse40 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse41 (let ((.cse43 (store .cse42 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse44 .cse45 .cse46 .cse47 (select .cse42 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store .cse43 .cse7 (+ (select (select (store .cse40 |c_ULTIMATE.start_main_~a~0#1.base| .cse43) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse42 .cse7)))))) (store .cse41 .cse6 (+ (select .cse42 .cse6) (select (select (store .cse40 |c_ULTIMATE.start_main_~a~0#1.base| .cse41) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))))))))))))) (let ((.cse37 (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse39 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse38)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse38 .cse39)))))) .cse52) (or (= .cse1 (let ((.cse53 (let ((.cse67 (store .cse34 .cse51 1))) (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse67))) (let ((.cse66 (select .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse61 (select .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse62 (select .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse63 (select (select (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse61 .cse62))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse64 (select (select (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse61 .cse62 .cse63))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse57 (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse61 .cse62 .cse63 .cse64))))) (store .cse57 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse59 (select .cse57 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse58 (let ((.cse60 (store .cse59 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse61 .cse62 .cse63 .cse64 (select .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store .cse60 .cse7 (+ (select .cse59 .cse7) (select (select (store .cse57 |c_ULTIMATE.start_main_~a~0#1.base| .cse60) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse58 .cse6 (+ (select .cse59 .cse6) (select (select (store .cse57 |c_ULTIMATE.start_main_~a~0#1.base| .cse58) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))))))))))))) (let ((.cse54 (select .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse55 (select (select (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse56 (select (select (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse55)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse55 .cse56))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse55 .cse56)))))) .cse35 .cse52) (or .cse68 (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (= .cse1 (let ((.cse70 (let ((.cse81 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse83))) (let ((.cse82 (select .cse81 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse77 (select .cse82 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse80 (select .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse79 (select (select (store .cse81 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse82 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse77 .cse80))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (let ((.cse78 (select (select (store .cse81 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse82 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse77 .cse79 .cse80))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (let ((.cse73 (store .cse81 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse82 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse77 .cse78 .cse79 .cse80))))) (store .cse73 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse75 (select .cse73 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse74 (let ((.cse76 (store .cse75 |c_ULTIMATE.start_main_~a~0#1.offset| (+ .cse77 .cse78 (select .cse75 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse79 .cse80)))) (store .cse76 .cse7 (+ (select (select (store .cse73 |c_ULTIMATE.start_main_~a~0#1.base| .cse76) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse75 .cse7)))))) (store .cse74 .cse6 (+ (select (select (store .cse73 |c_ULTIMATE.start_main_~a~0#1.base| .cse74) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse75 .cse6)))))))))))))) (let ((.cse71 (select .cse70 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse69 (select (select (store .cse70 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse71 |c_ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse72 (select (select (store .cse70 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse71 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse69)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse69 (select (select (store .cse70 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse71 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse69 .cse72))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse72))))))))))) is different from false [2022-11-18 21:03:18,737 WARN L233 SmtUtils]: Spent 1.10m on a formula simplification that was a NOOP. DAG size: 293 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 21:03:21,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 21:03:23,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 21:03:25,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 21:03:26,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 21:03:28,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 21:03:30,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 21:03:31,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-18 21:05:15,473 WARN L233 SmtUtils]: Spent 30.19s on a formula simplification. DAG size of input: 344 DAG size of output: 83 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)