./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn1.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_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/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_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/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_d18f0850-93fb-4f02-bfb0-327785707bda/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 14bc2dbf7c29b1d0f6a0a1f7aa323adbc9855e56ce7f667c86a31ecee97dcbe0 --- 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 20:03:12,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:03:12,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:03:12,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:03:12,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:03:12,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:03:12,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:03:12,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:03:12,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:03:12,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:03:12,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:03:12,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:03:12,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:03:12,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:03:12,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:03:12,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:03:12,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:03:12,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:03:12,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:03:12,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:03:12,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:03:12,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:03:12,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:03:12,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:03:12,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:03:12,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:03:12,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:03:12,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:03:12,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:03:12,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:03:12,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:03:12,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:03:12,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:03:12,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:03:12,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:03:12,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:03:12,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:03:12,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:03:12,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:03:12,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:03:12,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:03:12,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:03:12,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:03:12,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:03:12,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:03:12,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:03:12,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:03:12,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:03:12,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:03:12,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:03:12,411 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:03:12,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:03:12,412 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:03:12,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:03:12,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:03:12,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:03:12,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:03:12,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:03:12,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:03:12,414 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:03:12,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:03:12,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:03:12,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:03:12,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:03:12,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:03:12,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:03:12,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:03:12,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:03:12,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:03:12,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:03:12,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:03:12,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:03:12,417 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:03:12,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:03:12,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:03:12,418 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_d18f0850-93fb-4f02-bfb0-327785707bda/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14bc2dbf7c29b1d0f6a0a1f7aa323adbc9855e56ce7f667c86a31ecee97dcbe0 [2022-11-18 20:03:12,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:03:12,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:03:12,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:03:12,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:03:12,746 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:03:12,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-fpi/eqn1.c [2022-11-18 20:03:12,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/data/07c186792/f3de6bbf00e843c4b3e78a5745b8d279/FLAGbdfe280bb [2022-11-18 20:03:13,303 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:03:13,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/sv-benchmarks/c/array-fpi/eqn1.c [2022-11-18 20:03:13,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/data/07c186792/f3de6bbf00e843c4b3e78a5745b8d279/FLAGbdfe280bb [2022-11-18 20:03:13,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/data/07c186792/f3de6bbf00e843c4b3e78a5745b8d279 [2022-11-18 20:03:13,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:03:13,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:03:13,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:03:13,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:03:13,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:03:13,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:03:13" (1/1) ... [2022-11-18 20:03:13,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce122aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:13, skipping insertion in model container [2022-11-18 20:03:13,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:03:13" (1/1) ... [2022-11-18 20:03:13,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:03:13,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:03:13,931 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_d18f0850-93fb-4f02-bfb0-327785707bda/sv-benchmarks/c/array-fpi/eqn1.c[587,600] [2022-11-18 20:03:13,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:03:13,975 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:03:13,991 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_d18f0850-93fb-4f02-bfb0-327785707bda/sv-benchmarks/c/array-fpi/eqn1.c[587,600] [2022-11-18 20:03:13,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:03:14,011 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:03:14,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14 WrapperNode [2022-11-18 20:03:14,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:03:14,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:03:14,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:03:14,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:03:14,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,048 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-11-18 20:03:14,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:03:14,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:03:14,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:03:14,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:03:14,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,072 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:03:14,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:03:14,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:03:14,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:03:14,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (1/1) ... [2022-11-18 20:03:14,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:03:14,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:14,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:14,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:03:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:03:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:03:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:03:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:03:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:03:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:03:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:03:14,233 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:03:14,235 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:03:14,398 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:03:14,405 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:03:14,405 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:03:14,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:03:14 BoogieIcfgContainer [2022-11-18 20:03:14,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:03:14,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:03:14,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:03:14,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:03:14,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:03:13" (1/3) ... [2022-11-18 20:03:14,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51955f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:03:14, skipping insertion in model container [2022-11-18 20:03:14,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:14" (2/3) ... [2022-11-18 20:03:14,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51955f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:03:14, skipping insertion in model container [2022-11-18 20:03:14,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:03:14" (3/3) ... [2022-11-18 20:03:14,423 INFO L112 eAbstractionObserver]: Analyzing ICFG eqn1.c [2022-11-18 20:03:14,443 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:03:14,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:03:14,544 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:03:14,557 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;@3d45fd05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:03:14,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:03:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 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 20:03:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:03:14,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:14,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:14,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:14,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:14,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2022-11-18 20:03:14,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:14,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518036375] [2022-11-18 20:03:14,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:14,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:14,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:14,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518036375] [2022-11-18 20:03:14,797 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-18 20:03:14,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243583847] [2022-11-18 20:03:14,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:14,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:14,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:14,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:14,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:03:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:14,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 20:03:14,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:14,967 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 20:03:14,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:03:14,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243583847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:03:14,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:03:14,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:03:14,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095614169] [2022-11-18 20:03:14,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:03:14,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:03:14,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:15,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:03:15,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:03:15,029 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 20:03:15,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:15,041 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2022-11-18 20:03:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:03:15,043 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-18 20:03:15,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:15,051 INFO L225 Difference]: With dead ends: 38 [2022-11-18 20:03:15,051 INFO L226 Difference]: Without dead ends: 17 [2022-11-18 20:03:15,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 20:03:15,058 INFO L413 NwaCegarLoop]: 24 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, 24 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 20:03:15,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:03:15,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-18 20:03:15,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-18 20:03:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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 20:03:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-18 20:03:15,109 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2022-11-18 20:03:15,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:15,109 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-18 20:03:15,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 20:03:15,110 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-18 20:03:15,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:03:15,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:15,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:15,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-18 20:03:15,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-18 20:03:15,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:15,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:15,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2022-11-18 20:03:15,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:15,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099099107] [2022-11-18 20:03:15,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:15,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:15,392 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:15,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084738428] [2022-11-18 20:03:15,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:15,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:15,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:15,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:15,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:03:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:15,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:03:15,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:15,595 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-18 20:03:15,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-18 20:03:15,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:03:15,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:03:15,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-18 20:03:15,913 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 20:03:15,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:03:15,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:15,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099099107] [2022-11-18 20:03:15,917 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:15,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084738428] [2022-11-18 20:03:15,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084738428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:03:15,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:03:15,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:03:15,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351909828] [2022-11-18 20:03:15,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:03:15,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:03:15,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:15,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:03:15,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:03:15,927 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 20:03:16,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:16,027 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-11-18 20:03:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:03:16,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-18 20:03:16,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:16,029 INFO L225 Difference]: With dead ends: 34 [2022-11-18 20:03:16,029 INFO L226 Difference]: Without dead ends: 32 [2022-11-18 20:03:16,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:03:16,031 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 15 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:16,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 56 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:03:16,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-18 20:03:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2022-11-18 20:03:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 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 20:03:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-11-18 20:03:16,038 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2022-11-18 20:03:16,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:16,038 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-18 20:03:16,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 20:03:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-18 20:03:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 20:03:16,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:16,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:16,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:16,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:16,246 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:16,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:16,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1755224028, now seen corresponding path program 1 times [2022-11-18 20:03:16,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:16,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717976190] [2022-11-18 20:03:16,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:16,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:16,302 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:16,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [631333921] [2022-11-18 20:03:16,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:16,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:16,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:16,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:16,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:03:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:16,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:03:16,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:16,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:03:16,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:16,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717976190] [2022-11-18 20:03:16,440 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:16,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631333921] [2022-11-18 20:03:16,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631333921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:03:16,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:03:16,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:03:16,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630919742] [2022-11-18 20:03:16,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:03:16,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:03:16,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:16,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:03:16,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:03:16,443 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:03:16,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:16,564 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2022-11-18 20:03:16,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:03:16,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-18 20:03:16,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:16,566 INFO L225 Difference]: With dead ends: 49 [2022-11-18 20:03:16,566 INFO L226 Difference]: Without dead ends: 40 [2022-11-18 20:03:16,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:03:16,568 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 27 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:16,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 29 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:03:16,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-18 20:03:16,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2022-11-18 20:03:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:03:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-11-18 20:03:16,574 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2022-11-18 20:03:16,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:16,575 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-11-18 20:03:16,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:03:16,575 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-18 20:03:16,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 20:03:16,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:16,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:16,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:16,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:16,782 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:16,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:16,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1842440164, now seen corresponding path program 1 times [2022-11-18 20:03:16,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:16,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194369131] [2022-11-18 20:03:16,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:16,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:16,821 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:16,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032526410] [2022-11-18 20:03:16,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:16,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:16,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:16,838 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:16,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:03:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:16,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:03:16,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:16,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:17,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:17,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194369131] [2022-11-18 20:03:17,043 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:17,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032526410] [2022-11-18 20:03:17,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032526410] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:17,045 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:03:17,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-11-18 20:03:17,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009988323] [2022-11-18 20:03:17,046 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:17,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:03:17,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:17,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:03:17,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:03:17,049 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:03:17,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:17,198 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-11-18 20:03:17,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:03:17,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-18 20:03:17,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:17,204 INFO L225 Difference]: With dead ends: 44 [2022-11-18 20:03:17,204 INFO L226 Difference]: Without dead ends: 37 [2022-11-18 20:03:17,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:03:17,210 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 35 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:17,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 41 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:03:17,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-18 20:03:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 24. [2022-11-18 20:03:17,221 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 20:03:17,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-11-18 20:03:17,223 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2022-11-18 20:03:17,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:17,224 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-11-18 20:03:17,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:03:17,225 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-18 20:03:17,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 20:03:17,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:17,226 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:17,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:17,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:17,434 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:17,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:17,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1667884396, now seen corresponding path program 1 times [2022-11-18 20:03:17,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:17,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907711364] [2022-11-18 20:03:17,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:17,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:17,455 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:17,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3835274] [2022-11-18 20:03:17,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:17,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:17,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:17,457 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:17,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:03:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:17,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:03:17,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:17,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:03:17,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:17,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907711364] [2022-11-18 20:03:17,601 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:17,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3835274] [2022-11-18 20:03:17,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3835274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:03:17,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:03:17,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:03:17,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967596101] [2022-11-18 20:03:17,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:03:17,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:03:17,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:17,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:03:17,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:03:17,604 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:03:17,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:17,702 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2022-11-18 20:03:17,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:03:17,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-18 20:03:17,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:17,704 INFO L225 Difference]: With dead ends: 41 [2022-11-18 20:03:17,704 INFO L226 Difference]: Without dead ends: 27 [2022-11-18 20:03:17,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:03:17,707 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 19 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:17,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 27 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:03:17,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-18 20:03:17,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2022-11-18 20:03:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:03:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-18 20:03:17,713 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2022-11-18 20:03:17,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:17,714 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-18 20:03:17,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:03:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-18 20:03:17,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 20:03:17,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:17,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:17,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:17,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:17,928 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:17,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:17,928 INFO L85 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2022-11-18 20:03:17,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:17,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672362061] [2022-11-18 20:03:17,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:17,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:17,958 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:17,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821760399] [2022-11-18 20:03:17,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:17,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:17,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:17,974 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:17,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 20:03:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:18,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-18 20:03:18,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:18,115 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 20:03:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:18,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-18 20:03:18,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:03:18,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:03:18,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-18 20:03:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:18,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:18,458 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_159 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2022-11-18 20:03:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-18 20:03:18,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:18,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672362061] [2022-11-18 20:03:18,480 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:18,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821760399] [2022-11-18 20:03:18,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821760399] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:18,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:03:18,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-18 20:03:18,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477569147] [2022-11-18 20:03:18,481 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:18,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:03:18,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:18,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:03:18,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=67, Unknown=1, NotChecked=16, Total=110 [2022-11-18 20:03:18,483 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 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 20:03:18,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:18,659 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-11-18 20:03:18,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:03:18,660 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 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) Word has length 16 [2022-11-18 20:03:18,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:18,660 INFO L225 Difference]: With dead ends: 40 [2022-11-18 20:03:18,660 INFO L226 Difference]: Without dead ends: 38 [2022-11-18 20:03:18,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=153, Unknown=1, NotChecked=26, Total=240 [2022-11-18 20:03:18,662 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 18 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:18,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 83 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 39 Unchecked, 0.1s Time] [2022-11-18 20:03:18,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-18 20:03:18,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2022-11-18 20:03:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 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 20:03:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2022-11-18 20:03:18,667 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2022-11-18 20:03:18,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:18,667 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-11-18 20:03:18,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 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 20:03:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-11-18 20:03:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-18 20:03:18,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:18,668 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:18,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:18,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:18,875 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:18,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1267903976, now seen corresponding path program 2 times [2022-11-18 20:03:18,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:18,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890171775] [2022-11-18 20:03:18,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:18,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:18,902 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:18,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [998379625] [2022-11-18 20:03:18,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:03:18,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:18,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:18,904 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:18,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:03:18,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:03:18,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:03:18,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:03:18,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:19,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:19,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:19,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890171775] [2022-11-18 20:03:19,104 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:19,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998379625] [2022-11-18 20:03:19,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998379625] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:19,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:03:19,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-18 20:03:19,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393476511] [2022-11-18 20:03:19,105 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:19,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:03:19,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:19,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:03:19,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:03:19,106 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 20:03:19,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:19,272 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2022-11-18 20:03:19,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:03:19,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-18 20:03:19,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:19,274 INFO L225 Difference]: With dead ends: 61 [2022-11-18 20:03:19,274 INFO L226 Difference]: Without dead ends: 52 [2022-11-18 20:03:19,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:03:19,275 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 52 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:19,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 34 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:03:19,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-18 20:03:19,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 28. [2022-11-18 20:03:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 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 20:03:19,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-11-18 20:03:19,282 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 18 [2022-11-18 20:03:19,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:19,282 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-11-18 20:03:19,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 20:03:19,282 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-11-18 20:03:19,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-18 20:03:19,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:19,283 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:19,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:19,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:19,493 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:19,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:19,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1174519208, now seen corresponding path program 3 times [2022-11-18 20:03:19,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:19,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010194484] [2022-11-18 20:03:19,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:19,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:19,520 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:19,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1874623789] [2022-11-18 20:03:19,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:03:19,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:19,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:19,522 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:19,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 20:03:19,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-18 20:03:19,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:03:19,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:03:19,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:19,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:19,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:19,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010194484] [2022-11-18 20:03:19,732 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:19,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874623789] [2022-11-18 20:03:19,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874623789] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:19,733 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:03:19,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-18 20:03:19,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185901965] [2022-11-18 20:03:19,733 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:19,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:03:19,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:19,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:03:19,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:03:19,734 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 20:03:19,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:19,895 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2022-11-18 20:03:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:03:19,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-18 20:03:19,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:19,905 INFO L225 Difference]: With dead ends: 56 [2022-11-18 20:03:19,905 INFO L226 Difference]: Without dead ends: 49 [2022-11-18 20:03:19,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:03:19,906 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 54 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:19,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 61 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:03:19,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-18 20:03:19,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 30. [2022-11-18 20:03:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 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 20:03:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-11-18 20:03:19,912 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 18 [2022-11-18 20:03:19,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:19,913 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-11-18 20:03:19,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 20:03:19,913 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-11-18 20:03:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 20:03:19,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:19,914 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:19,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:20,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 20:03:20,120 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:20,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:20,120 INFO L85 PathProgramCache]: Analyzing trace with hash 798963152, now seen corresponding path program 1 times [2022-11-18 20:03:20,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:20,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883405395] [2022-11-18 20:03:20,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:20,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:20,166 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:20,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531902067] [2022-11-18 20:03:20,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:20,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:20,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:20,177 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:20,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 20:03:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:20,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-18 20:03:20,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:20,340 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-18 20:03:20,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-18 20:03:20,379 INFO L321 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-18 20:03:20,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-11-18 20:03:20,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:03:20,427 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 16 treesize of output 5 [2022-11-18 20:03:20,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-18 20:03:20,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:03:20,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 51 [2022-11-18 20:03:20,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:03:20,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:03:20,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 34 [2022-11-18 20:03:20,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:03:20,568 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 9 treesize of output 7 [2022-11-18 20:03:20,599 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 20:03:20,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:20,662 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:03:20,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-18 20:03:20,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:20,734 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:03:20,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-18 20:03:21,014 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 20:03:21,015 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 56 treesize of output 32 [2022-11-18 20:03:21,028 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 20:03:21,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:21,753 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 20:03:21,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:21,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883405395] [2022-11-18 20:03:21,753 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:21,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531902067] [2022-11-18 20:03:21,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531902067] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:21,754 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:03:21,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2022-11-18 20:03:21,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022375525] [2022-11-18 20:03:21,756 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:21,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-18 20:03:21,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:21,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-18 20:03:21,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:03:21,760 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 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 20:03:22,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:22,038 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-11-18 20:03:22,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:03:22,039 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-18 20:03:22,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:22,039 INFO L225 Difference]: With dead ends: 36 [2022-11-18 20:03:22,039 INFO L226 Difference]: Without dead ends: 34 [2022-11-18 20:03:22,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:03:22,040 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:22,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 68 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 45 Invalid, 0 Unknown, 23 Unchecked, 0.1s Time] [2022-11-18 20:03:22,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-18 20:03:22,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-18 20:03:22,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 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 20:03:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2022-11-18 20:03:22,061 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 20 [2022-11-18 20:03:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:22,062 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2022-11-18 20:03:22,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 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 20:03:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2022-11-18 20:03:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 20:03:22,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:22,063 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:22,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:22,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:22,270 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:22,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:22,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1786143722, now seen corresponding path program 4 times [2022-11-18 20:03:22,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:22,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063047274] [2022-11-18 20:03:22,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:22,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:22,292 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:22,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [674318204] [2022-11-18 20:03:22,293 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:03:22,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:22,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:22,294 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:22,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 20:03:22,498 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:03:22,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:03:22,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-18 20:03:22,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:22,532 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-18 20:03:22,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-18 20:03:22,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:03:22,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:03:22,570 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 38 treesize of output 11 [2022-11-18 20:03:22,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-18 20:03:22,606 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 20:03:22,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:03:22,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:03:22,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-11-18 20:03:22,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:22,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:22,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-18 20:03:22,739 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-18 20:03:22,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:22,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-18 20:03:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:22,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:03:23,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:23,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063047274] [2022-11-18 20:03:23,251 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:23,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674318204] [2022-11-18 20:03:23,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674318204] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:23,252 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:03:23,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-18 20:03:23,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071503059] [2022-11-18 20:03:23,253 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:23,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-18 20:03:23,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:23,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-18 20:03:23,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=177, Unknown=1, NotChecked=0, Total=240 [2022-11-18 20:03:23,255 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 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 20:03:23,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:23,649 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2022-11-18 20:03:23,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 20:03:23,649 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-18 20:03:23,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:23,650 INFO L225 Difference]: With dead ends: 70 [2022-11-18 20:03:23,650 INFO L226 Difference]: Without dead ends: 68 [2022-11-18 20:03:23,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=186, Invalid=569, Unknown=1, NotChecked=0, Total=756 [2022-11-18 20:03:23,651 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 87 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 54 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:23,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 93 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 85 Invalid, 0 Unknown, 54 Unchecked, 0.1s Time] [2022-11-18 20:03:23,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-18 20:03:23,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 39. [2022-11-18 20:03:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 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 20:03:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-11-18 20:03:23,659 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 20 [2022-11-18 20:03:23,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:23,659 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-11-18 20:03:23,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 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 20:03:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-18 20:03:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:03:23,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:23,660 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:23,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:23,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 20:03:23,861 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:23,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:23,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1197174726, now seen corresponding path program 2 times [2022-11-18 20:03:23,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:23,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948077738] [2022-11-18 20:03:23,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:23,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:23,878 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:23,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [144366120] [2022-11-18 20:03:23,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:03:23,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:23,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:23,880 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:23,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 20:03:23,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:03:23,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:03:23,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:03:23,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:03:24,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:03:24,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:24,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948077738] [2022-11-18 20:03:24,123 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:03:24,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144366120] [2022-11-18 20:03:24,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144366120] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:24,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:03:24,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2022-11-18 20:03:24,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636614171] [2022-11-18 20:03:24,124 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:24,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:03:24,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:24,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:03:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:03:24,126 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 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 20:03:24,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:24,274 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2022-11-18 20:03:24,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:03:24,275 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 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) Word has length 24 [2022-11-18 20:03:24,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:24,275 INFO L225 Difference]: With dead ends: 63 [2022-11-18 20:03:24,275 INFO L226 Difference]: Without dead ends: 43 [2022-11-18 20:03:24,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:03:24,276 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 30 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:24,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 60 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:03:24,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-18 20:03:24,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 30. [2022-11-18 20:03:24,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:03:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-11-18 20:03:24,281 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 24 [2022-11-18 20:03:24,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:24,282 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-11-18 20:03:24,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 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 20:03:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-18 20:03:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:03:24,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:24,282 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:24,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:24,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:24,488 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:24,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:24,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1232945932, now seen corresponding path program 3 times [2022-11-18 20:03:24,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:24,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097325305] [2022-11-18 20:03:24,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:24,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:24,515 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:03:24,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1058327294] [2022-11-18 20:03:24,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:03:24,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:24,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:24,525 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:24,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-18 20:03:24,712 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-18 20:03:24,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:03:24,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-18 20:03:24,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:24,755 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-18 20:03:24,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-18 20:03:24,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-18 20:03:24,794 INFO L321 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-18 20:03:24,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 68 [2022-11-18 20:03:24,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:03:24,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-18 20:03:24,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 51 [2022-11-18 20:03:24,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:03:24,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-18 20:03:24,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 63 [2022-11-18 20:03:24,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-18 20:03:24,974 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 20:03:25,050 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:03:25,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 109 [2022-11-18 20:03:25,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:03:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 172 [2022-11-18 20:03:25,101 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-18 20:03:25,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,212 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:03:25,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 49 [2022-11-18 20:03:25,372 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:03:25,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 145 [2022-11-18 20:03:25,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:03:25,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 194 [2022-11-18 20:03:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:03:25,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:03:25,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:25,574 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-18 20:03:25,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 69 treesize of output 68 [2022-11-18 20:03:25,898 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-18 20:03:25,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 78 treesize of output 42 [2022-11-18 20:03:25,921 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:25,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:28,935 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse15 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse14 (* .cse15 8)) (.cse5 (<= .cse15 2147483647)) (.cse13 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse9 (<= .cse13 2147483647)) (.cse0 (not .cse5)) (.cse4 (+ .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ .cse14 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse8 (* 8 .cse13))) (and (or (let ((.cse1 (+ 2 (select .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse8))))) (and (or .cse0 (forall ((v_ArrVal_397 Int)) (or (not (<= .cse1 v_ArrVal_397)) (= 3 (let ((.cse2 (store .cse3 .cse4 v_ArrVal_397))) (+ (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or .cse5 (forall ((v_ArrVal_397 Int)) (or (= 3 (let ((.cse6 (store .cse3 .cse7 v_ArrVal_397))) (+ (select .cse6 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse1 v_ArrVal_397))))))) (not .cse9)) (or .cse9 (let ((.cse10 (+ (select .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse8)) 2))) (and (or .cse0 (forall ((v_ArrVal_397 Int)) (or (not (<= .cse10 v_ArrVal_397)) (= 3 (let ((.cse11 (store .cse3 .cse4 v_ArrVal_397))) (+ (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (forall ((v_ArrVal_397 Int)) (or (= 3 (let ((.cse12 (store .cse3 .cse7 v_ArrVal_397))) (+ (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse10 v_ArrVal_397)))) .cse5)))))))) is different from false [2022-11-18 20:03:41,825 WARN L233 SmtUtils]: Spent 8.81s on a formula simplification. DAG size of input: 67 DAG size of output: 63 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:04:13,706 WARN L233 SmtUtils]: Spent 17.26s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:04:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-18 20:04:13,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:13,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097325305] [2022-11-18 20:04:13,760 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:04:13,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058327294] [2022-11-18 20:04:13,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058327294] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:04:13,760 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:04:13,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2022-11-18 20:04:13,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827633387] [2022-11-18 20:04:13,761 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:04:13,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-18 20:04:13,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:13,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-18 20:04:13,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=455, Unknown=7, NotChecked=44, Total=600 [2022-11-18 20:04:13,762 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 25 states, 25 states have (on average 1.72) internal successors, (43), 25 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 20:04:17,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:17,520 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2022-11-18 20:04:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:04:17,521 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.72) internal successors, (43), 25 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-18 20:04:17,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:17,523 INFO L225 Difference]: With dead ends: 58 [2022-11-18 20:04:17,523 INFO L226 Difference]: Without dead ends: 56 [2022-11-18 20:04:17,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 50.7s TimeCoverageRelationStatistics Valid=166, Invalid=822, Unknown=8, NotChecked=60, Total=1056 [2022-11-18 20:04:17,524 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 11 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 109 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:17,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 89 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 109 Unchecked, 0.2s Time] [2022-11-18 20:04:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-18 20:04:17,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2022-11-18 20:04:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 46 states have internal predecessors, (55), 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 20:04:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-11-18 20:04:17,535 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 24 [2022-11-18 20:04:17,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:17,536 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-11-18 20:04:17,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.72) internal successors, (43), 25 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 20:04:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-18 20:04:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:04:17,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:17,537 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:17,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:04:17,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:17,748 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:04:17,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash -900609774, now seen corresponding path program 5 times [2022-11-18 20:04:17,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:17,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186835521] [2022-11-18 20:04:17,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:17,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:17,791 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:04:17,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [833158994] [2022-11-18 20:04:17,797 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 20:04:17,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:17,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:17,799 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:17,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-18 20:04:31,011 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-11-18 20:04:31,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:04:31,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:04:31,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 20:04:31,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:04:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 20:04:31,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:31,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186835521] [2022-11-18 20:04:31,204 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:04:31,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833158994] [2022-11-18 20:04:31,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833158994] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:04:31,205 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:04:31,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-18 20:04:31,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817292266] [2022-11-18 20:04:31,205 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:04:31,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:04:31,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:31,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:04:31,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:04:31,206 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 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 20:04:31,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:31,463 INFO L93 Difference]: Finished difference Result 111 states and 122 transitions. [2022-11-18 20:04:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:04:31,463 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 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 24 [2022-11-18 20:04:31,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:31,464 INFO L225 Difference]: With dead ends: 111 [2022-11-18 20:04:31,465 INFO L226 Difference]: Without dead ends: 93 [2022-11-18 20:04:31,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:04:31,467 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 64 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:31,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 52 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:04:31,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-18 20:04:31,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 53. [2022-11-18 20:04:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 52 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2022-11-18 20:04:31,494 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 24 [2022-11-18 20:04:31,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:31,495 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2022-11-18 20:04:31,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 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 20:04:31,495 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2022-11-18 20:04:31,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 20:04:31,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:31,503 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:31,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:04:31,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 20:04:31,710 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:04:31,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:31,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1983767408, now seen corresponding path program 6 times [2022-11-18 20:04:31,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:31,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527500834] [2022-11-18 20:04:31,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:31,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:31,744 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:04:31,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1230278542] [2022-11-18 20:04:31,745 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 20:04:31,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:31,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:31,746 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:31,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-18 20:04:32,259 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-11-18 20:04:32,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:04:32,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:04:32,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:32,404 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:32,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:04:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:32,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:32,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527500834] [2022-11-18 20:04:32,522 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:04:32,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230278542] [2022-11-18 20:04:32,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230278542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:04:32,522 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:04:32,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-11-18 20:04:32,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519024914] [2022-11-18 20:04:32,522 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:04:32,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 20:04:32,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:32,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 20:04:32,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:04:32,524 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 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 20:04:33,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:33,063 INFO L93 Difference]: Finished difference Result 130 states and 139 transitions. [2022-11-18 20:04:33,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:04:33,064 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 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) Word has length 26 [2022-11-18 20:04:33,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:33,067 INFO L225 Difference]: With dead ends: 130 [2022-11-18 20:04:33,067 INFO L226 Difference]: Without dead ends: 118 [2022-11-18 20:04:33,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 32 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2022-11-18 20:04:33,068 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 217 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:33,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 89 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:04:33,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-18 20:04:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 71. [2022-11-18 20:04:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.1285714285714286) internal successors, (79), 70 states have internal predecessors, (79), 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 20:04:33,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2022-11-18 20:04:33,089 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 26 [2022-11-18 20:04:33,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:33,089 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2022-11-18 20:04:33,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 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 20:04:33,090 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-11-18 20:04:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-18 20:04:33,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:33,091 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:33,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:04:33,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-18 20:04:33,298 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:04:33,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:33,298 INFO L85 PathProgramCache]: Analyzing trace with hash -55017726, now seen corresponding path program 4 times [2022-11-18 20:04:33,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:33,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356781432] [2022-11-18 20:04:33,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:33,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:33,320 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:04:33,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130962039] [2022-11-18 20:04:33,326 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:04:33,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:33,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:33,327 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:33,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-18 20:04:33,667 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:04:33,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:04:33,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-18 20:04:33,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:33,718 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-18 20:04:33,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-18 20:04:33,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-18 20:04:33,783 INFO L321 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-18 20:04:33,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 68 [2022-11-18 20:04:33,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:04:33,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 79 [2022-11-18 20:04:33,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:04:33,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-18 20:04:33,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 30 [2022-11-18 20:04:33,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:04:33,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-18 20:04:33,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-18 20:04:33,958 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 20:04:34,050 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:04:34,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 124 [2022-11-18 20:04:34,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:04:34,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 187 [2022-11-18 20:04:34,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2022-11-18 20:04:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 39 [2022-11-18 20:04:34,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,240 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:04:34,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 46 [2022-11-18 20:04:34,420 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:04:34,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 168 treesize of output 150 [2022-11-18 20:04:34,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:04:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 197 [2022-11-18 20:04:34,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:04:34,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:04:34,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:04:34,731 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-18 20:04:34,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 75 treesize of output 68 [2022-11-18 20:04:35,308 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-18 20:04:35,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 95 treesize of output 47 [2022-11-18 20:04:35,339 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 20:04:35,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:05:04,453 WARN L233 SmtUtils]: Spent 13.57s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:05:04,474 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 20:05:04,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:04,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356781432] [2022-11-18 20:05:04,475 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:05:04,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130962039] [2022-11-18 20:05:04,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130962039] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:05:04,475 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:05:04,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2022-11-18 20:05:04,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926827362] [2022-11-18 20:05:04,475 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:05:04,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-18 20:05:04,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:04,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 20:05:04,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2022-11-18 20:05:04,477 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 26 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 26 states have internal predecessors, (51), 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 20:05:24,266 WARN L233 SmtUtils]: Spent 14.48s on a formula simplification. DAG size of input: 262 DAG size of output: 90 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:05:56,282 WARN L233 SmtUtils]: Spent 21.85s on a formula simplification. DAG size of input: 295 DAG size of output: 104 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:06:18,576 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 20:06:23,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:23,527 INFO L93 Difference]: Finished difference Result 126 states and 139 transitions. [2022-11-18 20:06:23,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 20:06:23,528 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 26 states have internal predecessors, (51), 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 28 [2022-11-18 20:06:23,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:23,528 INFO L225 Difference]: With dead ends: 126 [2022-11-18 20:06:23,529 INFO L226 Difference]: Without dead ends: 100 [2022-11-18 20:06:23,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 89.1s TimeCoverageRelationStatistics Valid=353, Invalid=1627, Unknown=0, NotChecked=0, Total=1980 [2022-11-18 20:06:23,530 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 119 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:23,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 168 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 305 Invalid, 1 Unknown, 82 Unchecked, 16.2s Time] [2022-11-18 20:06:23,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-18 20:06:23,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 84. [2022-11-18 20:06:23,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.144578313253012) internal successors, (95), 83 states have internal predecessors, (95), 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 20:06:23,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions. [2022-11-18 20:06:23,551 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 28 [2022-11-18 20:06:23,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:23,551 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions. [2022-11-18 20:06:23,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 26 states have internal predecessors, (51), 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 20:06:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2022-11-18 20:06:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-18 20:06:23,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:23,552 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:06:23,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:06:23,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-18 20:06:23,759 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:23,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:23,759 INFO L85 PathProgramCache]: Analyzing trace with hash 778799246, now seen corresponding path program 7 times [2022-11-18 20:06:23,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:23,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434980610] [2022-11-18 20:06:23,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:23,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:23,790 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:06:23,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870213729] [2022-11-18 20:06:23,792 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:06:23,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:06:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:06:23,793 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:06:23,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-18 20:06:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:24,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-18 20:06:24,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:06:24,597 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 20:06:24,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:24,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-18 20:06:24,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:06:24,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:06:24,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:06:24,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:06:24,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:06:24,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-11-18 20:06:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:24,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:24,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-18 20:06:24,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:24,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 24 [2022-11-18 20:06:24,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-11-18 20:06:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:24,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-18 20:06:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:24,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:24,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 24 [2022-11-18 20:06:25,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-11-18 20:06:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:25,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-18 20:06:25,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:25,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:25,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 17 [2022-11-18 20:06:25,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:06:25,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-18 20:06:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:06:25,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:06:26,426 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_615 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_615) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2022-11-18 20:06:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 7 not checked. [2022-11-18 20:06:26,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:06:26,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434980610] [2022-11-18 20:06:26,455 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:06:26,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870213729] [2022-11-18 20:06:26,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870213729] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:06:26,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:06:26,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2022-11-18 20:06:26,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778316139] [2022-11-18 20:06:26,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:06:26,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-18 20:06:26,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:06:26,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-18 20:06:26,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=407, Unknown=1, NotChecked=44, Total=600 [2022-11-18 20:06:26,458 INFO L87 Difference]: Start difference. First operand 84 states and 95 transitions. Second operand has 25 states, 25 states have (on average 1.96) internal successors, (49), 25 states have internal predecessors, (49), 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 20:06:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:27,431 INFO L93 Difference]: Finished difference Result 103 states and 119 transitions. [2022-11-18 20:06:27,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:06:27,432 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.96) internal successors, (49), 25 states have internal predecessors, (49), 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 28 [2022-11-18 20:06:27,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:27,432 INFO L225 Difference]: With dead ends: 103 [2022-11-18 20:06:27,433 INFO L226 Difference]: Without dead ends: 101 [2022-11-18 20:06:27,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=239, Invalid=756, Unknown=1, NotChecked=60, Total=1056 [2022-11-18 20:06:27,434 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 47 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:27,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 53 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 125 Invalid, 0 Unknown, 75 Unchecked, 0.2s Time] [2022-11-18 20:06:27,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-18 20:06:27,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 89. [2022-11-18 20:06:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.1704545454545454) internal successors, (103), 88 states have internal predecessors, (103), 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 20:06:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 103 transitions. [2022-11-18 20:06:27,455 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 103 transitions. Word has length 28 [2022-11-18 20:06:27,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:27,455 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 103 transitions. [2022-11-18 20:06:27,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.96) internal successors, (49), 25 states have internal predecessors, (49), 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 20:06:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2022-11-18 20:06:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 20:06:27,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:27,457 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:06:27,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:06:27,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-18 20:06:27,663 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:27,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:27,664 INFO L85 PathProgramCache]: Analyzing trace with hash 585737926, now seen corresponding path program 5 times [2022-11-18 20:06:27,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:27,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529230816] [2022-11-18 20:06:27,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:27,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:27,687 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:06:27,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608282542] [2022-11-18 20:06:27,687 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 20:06:27,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:06:27,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:06:27,689 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:06:27,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-18 20:07:27,614 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-11-18 20:07:27,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:07:27,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:07:27,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 20:07:27,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:07:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 20:07:27,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:27,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529230816] [2022-11-18 20:07:27,860 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:07:27,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608282542] [2022-11-18 20:07:27,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608282542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:07:27,860 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:07:27,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-11-18 20:07:27,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323050482] [2022-11-18 20:07:27,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:07:27,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 20:07:27,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:27,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 20:07:27,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:07:27,862 INFO L87 Difference]: Start difference. First operand 89 states and 103 transitions. Second operand has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 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 20:07:28,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:28,357 INFO L93 Difference]: Finished difference Result 143 states and 158 transitions. [2022-11-18 20:07:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 20:07:28,357 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 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 30 [2022-11-18 20:07:28,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:07:28,358 INFO L225 Difference]: With dead ends: 143 [2022-11-18 20:07:28,358 INFO L226 Difference]: Without dead ends: 114 [2022-11-18 20:07:28,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-11-18 20:07:28,360 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 84 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:07:28,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 97 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:07:28,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-18 20:07:28,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 78. [2022-11-18 20:07:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 77 states have internal predecessors, (88), 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 20:07:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2022-11-18 20:07:28,381 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 30 [2022-11-18 20:07:28,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:07:28,381 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2022-11-18 20:07:28,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 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 20:07:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2022-11-18 20:07:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 20:07:28,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:07:28,382 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:28,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:28,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 20:07:28,583 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:07:28,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:28,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1910230140, now seen corresponding path program 6 times [2022-11-18 20:07:28,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:28,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771779462] [2022-11-18 20:07:28,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:28,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:28,609 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:07:28,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [701959626] [2022-11-18 20:07:28,610 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 20:07:28,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:07:28,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:28,611 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:07:28,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-18 20:07:29,893 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-11-18 20:07:29,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:07:29,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 83 conjunts are in the unsatisfiable core [2022-11-18 20:07:29,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:30,014 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-18 20:07:30,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-18 20:07:30,054 INFO L321 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-18 20:07:30,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-11-18 20:07:30,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:07:30,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:07:30,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 83 [2022-11-18 20:07:30,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:07:30,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-18 20:07:30,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 30 [2022-11-18 20:07:30,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:07:30,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-18 20:07:30,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-18 20:07:30,258 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 20:07:30,380 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:30,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 75 [2022-11-18 20:07:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 115 [2022-11-18 20:07:30,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2022-11-18 20:07:30,534 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:30,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 75 [2022-11-18 20:07:30,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 115 [2022-11-18 20:07:30,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2022-11-18 20:07:30,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 24 [2022-11-18 20:07:30,734 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:30,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 60 [2022-11-18 20:07:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-18 20:07:30,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 24 [2022-11-18 20:07:30,931 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:30,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 60 [2022-11-18 20:07:30,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:30,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-18 20:07:31,192 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:31,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 139 treesize of output 127 [2022-11-18 20:07:31,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:07:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 194 [2022-11-18 20:07:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 57 [2022-11-18 20:07:31,441 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:31,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 111 treesize of output 101 [2022-11-18 20:07:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 157 [2022-11-18 20:07:31,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 41 [2022-11-18 20:07:31,663 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:31,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 73 [2022-11-18 20:07:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 123 [2022-11-18 20:07:31,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 42 [2022-11-18 20:07:31,873 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:31,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 73 [2022-11-18 20:07:31,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 123 [2022-11-18 20:07:31,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:31,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 42 [2022-11-18 20:07:32,545 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 20:07:32,546 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 56 treesize of output 32 [2022-11-18 20:07:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:32,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:07:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:37,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:37,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771779462] [2022-11-18 20:07:37,577 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:07:37,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701959626] [2022-11-18 20:07:37,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701959626] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:07:37,578 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:07:37,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 49 [2022-11-18 20:07:37,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042404270] [2022-11-18 20:07:37,578 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:07:37,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-18 20:07:37,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:37,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-18 20:07:37,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=1920, Unknown=0, NotChecked=0, Total=2352 [2022-11-18 20:07:37,580 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand has 49 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 49 states have internal predecessors, (62), 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 20:07:45,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:45,295 INFO L93 Difference]: Finished difference Result 141 states and 160 transitions. [2022-11-18 20:07:45,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-18 20:07:45,296 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 49 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-18 20:07:45,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:07:45,297 INFO L225 Difference]: With dead ends: 141 [2022-11-18 20:07:45,297 INFO L226 Difference]: Without dead ends: 139 [2022-11-18 20:07:45,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 14 SyntacticMatches, 5 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 3091 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=1373, Invalid=7557, Unknown=0, NotChecked=0, Total=8930 [2022-11-18 20:07:45,301 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 176 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 465 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:07:45,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 161 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 210 Invalid, 0 Unknown, 465 Unchecked, 0.5s Time] [2022-11-18 20:07:45,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-18 20:07:45,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 101. [2022-11-18 20:07:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.2) internal successors, (120), 100 states have internal predecessors, (120), 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 20:07:45,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 120 transitions. [2022-11-18 20:07:45,328 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 120 transitions. Word has length 32 [2022-11-18 20:07:45,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:07:45,328 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 120 transitions. [2022-11-18 20:07:45,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 49 states have internal predecessors, (62), 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 20:07:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2022-11-18 20:07:45,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-18 20:07:45,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:07:45,329 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:45,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:45,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 20:07:45,534 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:07:45,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:45,534 INFO L85 PathProgramCache]: Analyzing trace with hash -831401164, now seen corresponding path program 7 times [2022-11-18 20:07:45,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:45,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005453850] [2022-11-18 20:07:45,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:45,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:45,559 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:07:45,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000092054] [2022-11-18 20:07:45,560 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:07:45,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:07:45,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:45,561 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:07:45,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-18 20:07:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:46,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-18 20:07:46,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:46,103 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-18 20:07:46,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-18 20:07:46,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-18 20:07:46,144 INFO L321 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-18 20:07:46,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 68 [2022-11-18 20:07:46,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 6 [2022-11-18 20:07:46,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:07:46,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:07:46,249 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 20:07:46,333 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:46,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 109 [2022-11-18 20:07:46,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:07:46,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 172 [2022-11-18 20:07:46,486 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:46,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 120 [2022-11-18 20:07:46,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:07:46,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 187 [2022-11-18 20:07:46,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 44 [2022-11-18 20:07:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,675 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:07:46,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 58 [2022-11-18 20:07:46,825 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:46,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 152 [2022-11-18 20:07:46,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:07:46,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 197 [2022-11-18 20:07:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:46,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 102 [2022-11-18 20:07:47,055 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:07:47,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 191 treesize of output 165 [2022-11-18 20:07:47,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:07:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 216 [2022-11-18 20:07:47,087 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-18 20:07:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:07:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:07:47,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:07:47,330 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-18 20:07:47,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 114 treesize of output 86 [2022-11-18 20:07:48,217 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-18 20:07:48,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 127 treesize of output 55 [2022-11-18 20:07:48,250 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 20:07:48,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:08:30,741 WARN L233 SmtUtils]: Spent 14.14s on a formula simplification. DAG size of input: 172 DAG size of output: 130 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:09:54,063 WARN L233 SmtUtils]: Spent 42.57s on a formula simplification. DAG size of input: 188 DAG size of output: 165 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:09:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 35 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:09:54,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:54,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005453850] [2022-11-18 20:09:54,077 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:09:54,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000092054] [2022-11-18 20:09:54,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000092054] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:09:54,077 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:09:54,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2022-11-18 20:09:54,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864937787] [2022-11-18 20:09:54,078 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:09:54,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-18 20:09:54,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:54,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-18 20:09:54,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1203, Unknown=13, NotChecked=0, Total=1406 [2022-11-18 20:09:54,079 INFO L87 Difference]: Start difference. First operand 101 states and 120 transitions. Second operand has 38 states, 38 states have (on average 1.763157894736842) internal successors, (67), 38 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 20:10:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:14,946 INFO L93 Difference]: Finished difference Result 126 states and 145 transitions. [2022-11-18 20:10:14,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-18 20:10:14,946 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.763157894736842) internal successors, (67), 38 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) Word has length 36 [2022-11-18 20:10:14,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:14,947 INFO L225 Difference]: With dead ends: 126 [2022-11-18 20:10:14,947 INFO L226 Difference]: Without dead ends: 124 [2022-11-18 20:10:14,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 143.3s TimeCoverageRelationStatistics Valid=273, Invalid=1692, Unknown=15, NotChecked=0, Total=1980 [2022-11-18 20:10:14,949 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 20 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 102 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:14,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 150 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 182 Invalid, 0 Unknown, 102 Unchecked, 1.0s Time] [2022-11-18 20:10:14,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-18 20:10:14,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 106. [2022-11-18 20:10:14,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.1904761904761905) internal successors, (125), 105 states have internal predecessors, (125), 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 20:10:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2022-11-18 20:10:14,981 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 36 [2022-11-18 20:10:14,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:14,981 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2022-11-18 20:10:14,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.763157894736842) internal successors, (67), 38 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 20:10:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2022-11-18 20:10:14,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-18 20:10:14,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:14,982 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:14,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:15,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:15,182 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:15,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:15,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1823667066, now seen corresponding path program 8 times [2022-11-18 20:10:15,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:15,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346677453] [2022-11-18 20:10:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:15,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:15,205 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:10:15,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074487744] [2022-11-18 20:10:15,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:10:15,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:15,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:15,207 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:15,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-18 20:10:15,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:10:15,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:10:15,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:10:15,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:10:15,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:10:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:10:15,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:15,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346677453] [2022-11-18 20:10:15,645 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:10:15,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074487744] [2022-11-18 20:10:15,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074487744] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:10:15,646 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:10:15,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2022-11-18 20:10:15,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16399957] [2022-11-18 20:10:15,646 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:10:15,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 20:10:15,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:15,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 20:10:15,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:10:15,648 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 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 20:10:16,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:16,305 INFO L93 Difference]: Finished difference Result 197 states and 217 transitions. [2022-11-18 20:10:16,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 20:10:16,306 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-18 20:10:16,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:16,307 INFO L225 Difference]: With dead ends: 197 [2022-11-18 20:10:16,307 INFO L226 Difference]: Without dead ends: 144 [2022-11-18 20:10:16,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 48 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=354, Invalid=1052, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 20:10:16,308 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 173 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:16,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 127 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:10:16,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-11-18 20:10:16,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 82. [2022-11-18 20:10:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.1604938271604939) internal successors, (94), 81 states have internal predecessors, (94), 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 20:10:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2022-11-18 20:10:16,329 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 36 [2022-11-18 20:10:16,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:16,330 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2022-11-18 20:10:16,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 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 20:10:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2022-11-18 20:10:16,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-18 20:10:16,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:16,330 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:16,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:16,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:16,531 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:16,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:16,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1226631488, now seen corresponding path program 8 times [2022-11-18 20:10:16,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:16,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602169500] [2022-11-18 20:10:16,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:16,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:16,551 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:10:16,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346517999] [2022-11-18 20:10:16,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:10:16,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:16,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:16,553 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:16,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-18 20:10:18,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:10:18,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:10:18,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 80 conjunts are in the unsatisfiable core [2022-11-18 20:10:18,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:18,491 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-18 20:10:18,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-18 20:10:18,530 INFO L321 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-18 20:10:18,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-11-18 20:10:18,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:10:18,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:10:18,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:10:18,631 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 23 treesize of output 16 [2022-11-18 20:10:18,637 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-18 20:10:18,644 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 20:10:18,703 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:10:18,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 60 [2022-11-18 20:10:18,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-18 20:10:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 17 [2022-11-18 20:10:18,828 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:10:18,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 109 [2022-11-18 20:10:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:18,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 182 [2022-11-18 20:10:19,051 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:10:19,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 118 [2022-11-18 20:10:19,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 157 [2022-11-18 20:10:19,202 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:10:19,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 73 [2022-11-18 20:10:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 133 [2022-11-18 20:10:19,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 34 [2022-11-18 20:10:19,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,343 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:10:19,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 53 [2022-11-18 20:10:19,501 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:10:19,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 159 treesize of output 143 [2022-11-18 20:10:19,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:10:19,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 197 [2022-11-18 20:10:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 49 [2022-11-18 20:10:19,764 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:10:19,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 187 treesize of output 167 [2022-11-18 20:10:19,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 235 [2022-11-18 20:10:19,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:19,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 139 [2022-11-18 20:10:20,041 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:10:20,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 150 treesize of output 132 [2022-11-18 20:10:20,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 209 [2022-11-18 20:10:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 69 [2022-11-18 20:10:20,298 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:10:20,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 150 treesize of output 132 [2022-11-18 20:10:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 209 [2022-11-18 20:10:20,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 51 [2022-11-18 20:10:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:10:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:10:20,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:10:20,541 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-18 20:10:20,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 76 treesize of output 78 [2022-11-18 20:10:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:10:21,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:10:38,485 WARN L233 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 117 DAG size of output: 83 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:11:49,732 WARN L233 SmtUtils]: Spent 23.42s on a formula simplification. DAG size of input: 158 DAG size of output: 146 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:12:25,773 WARN L233 SmtUtils]: Spent 11.98s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:13:35,105 WARN L233 SmtUtils]: Spent 22.31s on a formula simplification. DAG size of input: 146 DAG size of output: 132 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:13:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 45 refuted. 7 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:13:35,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:35,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602169500] [2022-11-18 20:13:35,120 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:13:35,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346517999] [2022-11-18 20:13:35,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346517999] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:13:35,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:13:35,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 26] total 45 [2022-11-18 20:13:35,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982254621] [2022-11-18 20:13:35,120 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:13:35,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-18 20:13:35,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:35,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-18 20:13:35,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=1644, Unknown=26, NotChecked=0, Total=1980 [2022-11-18 20:13:35,122 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand has 45 states, 45 states have (on average 1.488888888888889) internal successors, (67), 45 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 20:13:37,647 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse38 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse39 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse41 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse40 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse8 (<= .cse40 2147483647)) (.cse25 (<= .cse41 2147483647)) (.cse34 (* 8 .cse41)) (.cse35 (* .cse40 8)) (.cse37 (* .cse39 8)) (.cse33 (* .cse38 8)) (.cse26 (<= .cse39 2147483647)) (.cse22 (<= .cse38 2147483647)) (.cse36 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse16 (<= .cse36 2147483647)) (.cse18 (not .cse22)) (.cse14 (not .cse26)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse33)) (.cse7 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse13 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse15 (* .cse36 8)) (.cse3 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse19 (not .cse25)) (.cse0 (not .cse8)) (.cse10 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse11 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse33)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (or (let ((.cse4 (+ 2 (select .cse2 (+ .cse15 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (and (or .cse0 (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse1 (store (store (store (store .cse2 .cse3 .cse4) .cse5 v_ArrVal_960) .cse6 v_ArrVal_962) .cse7 v_ArrVal_964))) (+ (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 3))) (or .cse8 (and (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse9 (store (store (store (store .cse2 .cse10 .cse4) .cse11 v_ArrVal_960) .cse12 v_ArrVal_962) .cse13 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|))) 3)) .cse14)))) .cse16) (= (select .cse2 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (+ (select .cse2 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) 2)) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse17 (store (store (store .cse2 .cse3 v_ArrVal_960) .cse5 v_ArrVal_962) .cse6 v_ArrVal_964))) (+ (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse17) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 3)) .cse18) (or (not .cse16) (let ((.cse28 (+ 2 (select .cse2 (+ .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (and (or (let ((.cse21 (store .cse2 .cse3 .cse28))) (and (or (and (or .cse19 (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= 3 (let ((.cse20 (store (store (store .cse21 .cse5 v_ArrVal_960) .cse6 v_ArrVal_962) .cse13 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse18) (or .cse22 (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse23 (store (store (store .cse21 .cse5 v_ArrVal_960) .cse12 v_ArrVal_962) .cse13 v_ArrVal_964))) (+ (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 3))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= 3 (let ((.cse24 (store (store (store .cse21 .cse11 v_ArrVal_960) .cse12 v_ArrVal_962) .cse13 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse25)) .cse26) (or .cse14 (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse27 (store (store (store .cse21 .cse5 v_ArrVal_960) .cse6 v_ArrVal_962) .cse7 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|))) 3))))) .cse0) (or .cse8 (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= 3 (let ((.cse29 (store (store (store (store .cse2 .cse10 .cse28) .cse11 v_ArrVal_960) .cse12 v_ArrVal_962) .cse13 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (or .cse22 (and (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse30 (store (store (store .cse2 .cse3 v_ArrVal_960) .cse11 v_ArrVal_962) .cse12 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|))) 3)) .cse25) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= 3 (let ((.cse31 (store (store (store .cse2 .cse3 v_ArrVal_960) .cse5 v_ArrVal_962) .cse12 v_ArrVal_964))) (+ (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse19)) .cse0) (or .cse8 (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse32 (store (store (store .cse2 .cse10 v_ArrVal_960) .cse11 v_ArrVal_962) .cse12 v_ArrVal_964))) (+ (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 3))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= 2 (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) is different from true [2022-11-18 20:13:39,675 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse38 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse39 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse41 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse40 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse11 (<= .cse40 2147483647)) (.cse26 (<= .cse41 2147483647)) (.cse34 (* .cse41 8)) (.cse35 (* .cse40 8)) (.cse24 (<= .cse39 2147483647)) (.cse33 (* 8 .cse39)) (.cse21 (<= .cse38 2147483647)) (.cse37 (* .cse38 8)) (.cse36 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse6 (<= .cse36 2147483647)) (.cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse37)) (.cse17 (not .cse21)) (.cse4 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (not .cse24)) (.cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse37)) (.cse18 (* 8 .cse36)) (.cse13 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse14 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse2 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse3 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse25 (not .cse26)) (.cse10 (not .cse11)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= 3 (let ((.cse0 (store (store (store .cse1 .cse2 v_ArrVal_960) .cse3 v_ArrVal_962) .cse4 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse0) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse5) (or .cse6 (let ((.cse8 (+ (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse18)) 2))) (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse7 (store (store (store (store .cse1 .cse2 .cse8) .cse3 v_ArrVal_960) .cse4 v_ArrVal_962) .cse9 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse7) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|))) 3)) .cse10) (or .cse11 (and (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse12 (store (store (store (store .cse1 .cse13 .cse8) .cse14 v_ArrVal_960) .cse15 v_ArrVal_962) .cse16 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|))) 3)) .cse17))))) (= (select .cse1 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (+ (select .cse1 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) 2)) (or (not .cse6) (let ((.cse28 (+ 2 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse18))))) (and (or .cse10 (let ((.cse20 (store .cse1 .cse2 .cse28))) (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse19 (store (store (store .cse20 .cse3 v_ArrVal_960) .cse4 v_ArrVal_962) .cse9 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse19 |c_ULTIMATE.start_main_~a~0#1.offset|))) 3)) .cse17) (or .cse21 (and (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse22 (store (store (store .cse20 .cse3 v_ArrVal_960) .cse4 v_ArrVal_962) .cse16 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))) 3)) .cse5) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse23 (store (store (store .cse20 .cse3 v_ArrVal_960) .cse15 v_ArrVal_962) .cse16 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|))) 3)) .cse24)) .cse25) (or .cse26 (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= 3 (let ((.cse27 (store (store (store .cse20 .cse14 v_ArrVal_960) .cse15 v_ArrVal_962) .cse16 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= 3 (let ((.cse29 (store (store (store (store .cse1 .cse13 .cse28) .cse14 v_ArrVal_960) .cse15 v_ArrVal_962) .cse16 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse11)))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= 3 (let ((.cse30 (store (store (store .cse1 .cse13 v_ArrVal_960) .cse14 v_ArrVal_962) .cse15 v_ArrVal_964))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse11) (or (and (or .cse26 (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= 3 (let ((.cse31 (store (store (store .cse1 .cse2 v_ArrVal_960) .cse14 v_ArrVal_962) .cse15 v_ArrVal_964))) (+ (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_960 Int) (v_ArrVal_964 Int)) (= (let ((.cse32 (store (store (store .cse1 .cse2 v_ArrVal_960) .cse3 v_ArrVal_962) .cse15 v_ArrVal_964))) (+ (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 3)) .cse25)) .cse10)) .cse24) (= 2 (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) is different from true [2022-11-18 20:14:05,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:05,057 INFO L93 Difference]: Finished difference Result 150 states and 173 transitions. [2022-11-18 20:14:05,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 20:14:05,058 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.488888888888889) internal successors, (67), 45 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) Word has length 36 [2022-11-18 20:14:05,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:05,059 INFO L225 Difference]: With dead ends: 150 [2022-11-18 20:14:05,059 INFO L226 Difference]: Without dead ends: 148 [2022-11-18 20:14:05,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 220.8s TimeCoverageRelationStatistics Valid=401, Invalid=2124, Unknown=33, NotChecked=198, Total=2756 [2022-11-18 20:14:05,061 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 26 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 238 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:05,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 106 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 114 Invalid, 0 Unknown, 238 Unchecked, 0.3s Time] [2022-11-18 20:14:05,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-18 20:14:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 109. [2022-11-18 20:14:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.2037037037037037) internal successors, (130), 108 states have internal predecessors, (130), 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 20:14:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2022-11-18 20:14:05,101 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 36 [2022-11-18 20:14:05,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:05,101 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2022-11-18 20:14:05,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.488888888888889) internal successors, (67), 45 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 20:14:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2022-11-18 20:14:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-18 20:14:05,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:05,102 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:14:05,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:05,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:14:05,303 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:05,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1307870728, now seen corresponding path program 9 times [2022-11-18 20:14:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:05,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159112223] [2022-11-18 20:14:05,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:05,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:05,323 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:14:05,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806803458] [2022-11-18 20:14:05,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:14:05,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:14:05,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:05,325 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:14:05,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-18 20:14:06,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-18 20:14:06,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:14:06,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:14:06,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:14:06,660 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 20:14:06,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:14:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 20:14:06,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:06,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159112223] [2022-11-18 20:14:06,780 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:14:06,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806803458] [2022-11-18 20:14:06,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806803458] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:14:06,781 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:14:06,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2022-11-18 20:14:06,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250699359] [2022-11-18 20:14:06,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:14:06,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 20:14:06,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:06,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 20:14:06,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:14:06,783 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 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 20:14:07,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:07,333 INFO L93 Difference]: Finished difference Result 167 states and 188 transitions. [2022-11-18 20:14:07,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-18 20:14:07,334 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 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 38 [2022-11-18 20:14:07,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:07,335 INFO L225 Difference]: With dead ends: 167 [2022-11-18 20:14:07,335 INFO L226 Difference]: Without dead ends: 153 [2022-11-18 20:14:07,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 52 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=224, Invalid=646, Unknown=0, NotChecked=0, Total=870 [2022-11-18 20:14:07,336 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 96 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:07,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 83 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:14:07,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-11-18 20:14:07,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 109. [2022-11-18 20:14:07,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.1759259259259258) internal successors, (127), 108 states have internal predecessors, (127), 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 20:14:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2022-11-18 20:14:07,373 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 38 [2022-11-18 20:14:07,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:07,373 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2022-11-18 20:14:07,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 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 20:14:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-11-18 20:14:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-18 20:14:07,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:07,374 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:14:07,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:07,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-18 20:14:07,575 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:07,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:07,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1974070524, now seen corresponding path program 9 times [2022-11-18 20:14:07,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:07,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418059160] [2022-11-18 20:14:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:07,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:07,601 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:14:07,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642629420] [2022-11-18 20:14:07,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:14:07,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:14:07,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:07,603 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:14:07,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-18 20:14:11,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-11-18 20:14:11,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:14:11,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:14:11,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:14:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:12,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:14:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:12,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:12,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418059160] [2022-11-18 20:14:12,471 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:14:12,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642629420] [2022-11-18 20:14:12,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642629420] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:14:12,472 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:14:12,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 28 [2022-11-18 20:14:12,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116546206] [2022-11-18 20:14:12,472 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:14:12,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 20:14:12,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:12,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 20:14:12,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:14:12,474 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 28 states, 28 states have (on average 2.142857142857143) internal successors, (60), 28 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:14,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:14,000 INFO L93 Difference]: Finished difference Result 342 states and 367 transitions. [2022-11-18 20:14:14,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-18 20:14:14,001 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.142857142857143) internal successors, (60), 28 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-11-18 20:14:14,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:14,003 INFO L225 Difference]: With dead ends: 342 [2022-11-18 20:14:14,003 INFO L226 Difference]: Without dead ends: 306 [2022-11-18 20:14:14,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1728 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1274, Invalid=4276, Unknown=0, NotChecked=0, Total=5550 [2022-11-18 20:14:14,005 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 734 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:14,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 227 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:14:14,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-11-18 20:14:14,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 166. [2022-11-18 20:14:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.1272727272727272) internal successors, (186), 165 states have internal predecessors, (186), 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 20:14:14,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 186 transitions. [2022-11-18 20:14:14,059 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 186 transitions. Word has length 38 [2022-11-18 20:14:14,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:14,059 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 186 transitions. [2022-11-18 20:14:14,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.142857142857143) internal successors, (60), 28 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 186 transitions. [2022-11-18 20:14:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-18 20:14:14,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:14,059 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:14:14,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-11-18 20:14:14,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-18 20:14:14,260 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:14,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:14,260 INFO L85 PathProgramCache]: Analyzing trace with hash -835467152, now seen corresponding path program 10 times [2022-11-18 20:14:14,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:14,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496758169] [2022-11-18 20:14:14,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:14,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:14,287 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:14:14,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1317292526] [2022-11-18 20:14:14,288 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:14:14,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:14:14,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:14,290 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:14:14,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18f0850-93fb-4f02-bfb0-327785707bda/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-18 20:14:15,267 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:14:15,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:14:15,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-18 20:14:15,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:14:15,300 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 20:14:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,313 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-18 20:14:15,317 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 20 treesize of output 20 [2022-11-18 20:14:15,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:14:15,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:14:15,403 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:14:15,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 109 [2022-11-18 20:14:15,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:14:15,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 172 [2022-11-18 20:14:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 76 [2022-11-18 20:14:15,566 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:14:15,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 140 treesize of output 130 [2022-11-18 20:14:15,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 201 [2022-11-18 20:14:15,762 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:14:15,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 169 treesize of output 155 [2022-11-18 20:14:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:15,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 232 [2022-11-18 20:14:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,020 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:14:16,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 75 [2022-11-18 20:14:16,249 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:14:16,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 202 treesize of output 176 [2022-11-18 20:14:16,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:14:16,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 197 [2022-11-18 20:14:16,309 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-18 20:14:16,576 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:14:16,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 217 treesize of output 187 [2022-11-18 20:14:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:14:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 216 [2022-11-18 20:14:16,953 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-18 20:14:16,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 221 treesize of output 185 [2022-11-18 20:14:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:14:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:16,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 236 [2022-11-18 20:14:17,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 76 [2022-11-18 20:14:17,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:14:17,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:14:17,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:14:17,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:14:17,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:14:17,408 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-18 20:14:17,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 146 treesize of output 121 [2022-11-18 20:14:18,338 INFO L321 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2022-11-18 20:14:18,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 147 treesize of output 63 [2022-11-18 20:14:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:18,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:14:37,828 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 125 DAG size of output: 58 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:14:59,384 WARN L233 SmtUtils]: Spent 13.17s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:15:30,080 WARN L233 SmtUtils]: Spent 12.21s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:17:37,908 WARN L233 SmtUtils]: Spent 54.79s on a formula simplification that was a NOOP. DAG size: 150 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:17:41,103 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse62 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse63 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse59 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse35 (<= .cse63 2147483647)) (.cse60 (* 8 .cse62)) (.cse61 (* .cse63 8)) (.cse26 (<= .cse62 2147483647))) (let ((.cse2 (not .cse26)) (.cse34 (+ .cse61 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse25 (+ .cse60 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse35)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (+ .cse61 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (+ .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse36 (* .cse59 8)) (.cse0 (<= .cse59 2147483647))) (and (or (not .cse0) (let ((.cse3 (+ 2 (select .cse15 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (and (or .cse1 (and (or .cse2 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse3 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse14 (store (store .cse15 .cse16 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14))) (let ((.cse12 (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse7 (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse5 (store .cse12 .cse13 (+ .cse7 .cse9)))) (let ((.cse8 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse5 .cse6 (+ .cse7 .cse8 .cse9))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse7 .cse8 .cse9))))))) 13)))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse3 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse24 (store (store .cse15 .cse16 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24))) (let ((.cse23 (select .cse21 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse19 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse20 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse22 (store .cse23 .cse13 (+ .cse19 .cse20)))) (let ((.cse18 (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse18 .cse19 .cse20 (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse22 .cse6 (+ .cse18 .cse19 .cse20))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) 13))) .cse26))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse33 (store (store .cse15 .cse34 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33))) (let ((.cse32 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse27 (select .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse31 (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse29 (store .cse32 .cse13 (+ .cse27 .cse31)))) (let ((.cse30 (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse27 (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse29 .cse6 (+ .cse27 .cse30 .cse31))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse30 .cse31))))))) 13) (not (<= .cse3 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)))) .cse35)))) (or (let ((.cse37 (+ 2 (select .cse15 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (and (or .cse35 (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse37 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse44 (store (store .cse15 .cse34 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44))) (let ((.cse43 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse41 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse42 (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse39 (store .cse43 .cse13 (+ .cse41 .cse42)))) (let ((.cse40 (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse39 .cse6 (+ .cse40 .cse41 .cse42))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse40 .cse41 .cse42))))))) 13))) .cse2) (or .cse26 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse51 (store (store .cse15 .cse34 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse51))) (let ((.cse50 (select .cse46 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse45 (select .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse49 (select .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse47 (store .cse50 .cse13 (+ .cse45 .cse49)))) (let ((.cse48 (select (select (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| .cse47) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse45 (select (select (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse47 .cse6 (+ .cse45 .cse48 .cse49))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse48 .cse49))))))) 13) (not (<= .cse37 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175))))))) (or .cse1 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse37 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse58 (store (store .cse15 .cse16 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse58))) (let ((.cse57 (select .cse52 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse54 (select .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse56 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse53 (store .cse57 .cse13 (+ .cse54 .cse56)))) (let ((.cse55 (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse53 .cse6 (+ .cse54 .cse55 .cse56))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse54 .cse55 .cse56))))))) 13)))))) .cse0))))) is different from false [2022-11-18 20:17:46,945 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse87 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse88 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse89 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse1 (<= .cse89 2147483647)) (.cse85 (* 8 .cse88)) (.cse86 (* .cse89 8)) (.cse26 (<= .cse88 2147483647)) (.cse84 (* .cse87 8)) (.cse47 (<= .cse87 2147483647)) (.cse83 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse50 (<= .cse83 2147483647)) (.cse0 (not .cse47)) (.cse37 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse27 (not .cse26)) (.cse15 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse16 (+ .cse85 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse17 (not .cse1)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse25 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse35 (+ .cse85 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse36 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse49 (* 8 .cse83))) (and (or (let ((.cse48 (select .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse49)))) (let ((.cse2 (+ 4 .cse48)) (.cse38 (+ 2 .cse48))) (and (or .cse0 (let ((.cse14 (store .cse36 .cse37 .cse38))) (and (or .cse1 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse2 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= 13 (let ((.cse13 (store (store .cse14 .cse15 v_ArrVal_1173) .cse16 v_ArrVal_1175))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse13))) (let ((.cse11 (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse3 (select .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (store .cse11 .cse12 (+ .cse3 .cse7)))) (let ((.cse8 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse5 .cse6 (+ .cse3 .cse7 .cse8))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse7 .cse8))))))))))) (or .cse17 (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse2 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse24 (store (store .cse14 .cse25 v_ArrVal_1173) .cse16 v_ArrVal_1175))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24))) (let ((.cse23 (select .cse20 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse19 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse21 (store .cse23 .cse12 (+ .cse19 .cse22)))) (let ((.cse18 (select (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse18 .cse19 (select (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse21 .cse6 (+ .cse18 .cse19 .cse22))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse22))))))) 13))) .cse26) (or .cse27 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse2 v_ArrVal_1173)) (= (let ((.cse34 (store (store .cse14 .cse25 v_ArrVal_1173) .cse35 v_ArrVal_1175))) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse33 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse30 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse32 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse29 (store .cse33 .cse12 (+ .cse30 .cse32)))) (let ((.cse31 (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse29 .cse6 (+ .cse30 .cse31 .cse32))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse30 .cse31 .cse32))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)))))))))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse2 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= 13 (let ((.cse45 (store (store (store .cse36 .cse46 .cse38) .cse15 v_ArrVal_1173) .cse16 v_ArrVal_1175))) (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45))) (let ((.cse44 (select .cse42 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse40 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse41 (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse43 (store .cse44 .cse12 (+ .cse40 .cse41)))) (let ((.cse39 (select (select (store .cse42 |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse39 .cse40 .cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse43 .cse6 (+ .cse39 .cse40 .cse41))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))))))))))) .cse47)))) (not .cse50)) (or .cse50 (let ((.cse82 (select .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse49)))) (let ((.cse51 (+ .cse82 4)) (.cse59 (+ .cse82 2))) (and (or .cse0 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse51 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse58 (store (store (store .cse36 .cse37 .cse59) .cse25 v_ArrVal_1173) .cse35 v_ArrVal_1175))) (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse58))) (let ((.cse57 (select .cse54 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse53 (select .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse56 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse55 (store .cse57 .cse12 (+ .cse53 .cse56)))) (let ((.cse52 (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| .cse55) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse52 .cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse55 .cse6 (+ .cse52 .cse53 .cse56))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse56))))))) 13)))) (or (let ((.cse67 (store .cse36 .cse46 .cse59))) (and (or .cse1 (and (or .cse27 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse51 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse66 (store (store .cse67 .cse15 v_ArrVal_1173) .cse35 v_ArrVal_1175))) (let ((.cse60 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse66))) (let ((.cse65 (select .cse60 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse63 (select .cse66 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse64 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse61 (store .cse65 .cse12 (+ .cse63 .cse64)))) (let ((.cse62 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| .cse61) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse61 .cse6 (+ .cse62 .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse62 .cse63 .cse64))))))) 13)))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse74 (store (store .cse67 .cse15 v_ArrVal_1173) .cse16 v_ArrVal_1175))) (let ((.cse70 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74))) (let ((.cse73 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse72 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse71 (store .cse73 .cse12 (+ .cse68 .cse72)))) (let ((.cse69 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| .cse71) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse68 .cse69 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse71 .cse6 (+ .cse68 .cse69 .cse72))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse72))))))) 13) (not (<= .cse51 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)))) .cse26))) (or .cse17 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse51 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse81 (store (store .cse67 .cse25 v_ArrVal_1173) .cse35 v_ArrVal_1175))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse81))) (let ((.cse80 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse77 (select .cse81 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse79 (select .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse76 (store .cse80 .cse12 (+ .cse77 .cse79)))) (let ((.cse78 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse76 .cse6 (+ .cse77 .cse78 .cse79))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse77 .cse78 .cse79))))))) 13)))))) .cse47))))))))) is different from false [2022-11-18 20:17:48,963 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse87 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse88 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse89 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse1 (<= .cse89 2147483647)) (.cse85 (* 8 .cse88)) (.cse86 (* .cse89 8)) (.cse26 (<= .cse88 2147483647)) (.cse84 (* .cse87 8)) (.cse47 (<= .cse87 2147483647)) (.cse83 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse50 (<= .cse83 2147483647)) (.cse0 (not .cse47)) (.cse37 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse27 (not .cse26)) (.cse15 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse16 (+ .cse85 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse17 (not .cse1)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse25 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse35 (+ .cse85 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse36 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse49 (* 8 .cse83))) (and (or (let ((.cse48 (select .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse49)))) (let ((.cse2 (+ 4 .cse48)) (.cse38 (+ 2 .cse48))) (and (or .cse0 (let ((.cse14 (store .cse36 .cse37 .cse38))) (and (or .cse1 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse2 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= 13 (let ((.cse13 (store (store .cse14 .cse15 v_ArrVal_1173) .cse16 v_ArrVal_1175))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse13))) (let ((.cse11 (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse3 (select .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (store .cse11 .cse12 (+ .cse3 .cse7)))) (let ((.cse8 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse5 .cse6 (+ .cse3 .cse7 .cse8))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse7 .cse8))))))))))) (or .cse17 (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse2 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse24 (store (store .cse14 .cse25 v_ArrVal_1173) .cse16 v_ArrVal_1175))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24))) (let ((.cse23 (select .cse20 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse19 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse21 (store .cse23 .cse12 (+ .cse19 .cse22)))) (let ((.cse18 (select (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse18 .cse19 (select (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse21 .cse6 (+ .cse18 .cse19 .cse22))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse22))))))) 13))) .cse26) (or .cse27 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse2 v_ArrVal_1173)) (= (let ((.cse34 (store (store .cse14 .cse25 v_ArrVal_1173) .cse35 v_ArrVal_1175))) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse33 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse30 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse32 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse29 (store .cse33 .cse12 (+ .cse30 .cse32)))) (let ((.cse31 (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse29 .cse6 (+ .cse30 .cse31 .cse32))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse30 .cse31 .cse32))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)))))))))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse2 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= 13 (let ((.cse45 (store (store (store .cse36 .cse46 .cse38) .cse15 v_ArrVal_1173) .cse16 v_ArrVal_1175))) (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45))) (let ((.cse44 (select .cse42 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse40 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse41 (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse43 (store .cse44 .cse12 (+ .cse40 .cse41)))) (let ((.cse39 (select (select (store .cse42 |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse39 .cse40 .cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse43 .cse6 (+ .cse39 .cse40 .cse41))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))))))))))) .cse47)))) (not .cse50)) (or .cse50 (let ((.cse82 (select .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse49)))) (let ((.cse51 (+ .cse82 4)) (.cse59 (+ .cse82 2))) (and (or .cse0 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse51 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse58 (store (store (store .cse36 .cse37 .cse59) .cse25 v_ArrVal_1173) .cse35 v_ArrVal_1175))) (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse58))) (let ((.cse57 (select .cse54 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse53 (select .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse56 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse55 (store .cse57 .cse12 (+ .cse53 .cse56)))) (let ((.cse52 (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| .cse55) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse52 .cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse55 .cse6 (+ .cse52 .cse53 .cse56))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse56))))))) 13)))) (or (let ((.cse67 (store .cse36 .cse46 .cse59))) (and (or .cse1 (and (or .cse27 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse51 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse66 (store (store .cse67 .cse15 v_ArrVal_1173) .cse35 v_ArrVal_1175))) (let ((.cse60 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse66))) (let ((.cse65 (select .cse60 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse63 (select .cse66 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse64 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse61 (store .cse65 .cse12 (+ .cse63 .cse64)))) (let ((.cse62 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| .cse61) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse61 .cse6 (+ .cse62 .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse62 .cse63 .cse64))))))) 13)))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse74 (store (store .cse67 .cse15 v_ArrVal_1173) .cse16 v_ArrVal_1175))) (let ((.cse70 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74))) (let ((.cse73 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse72 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse71 (store .cse73 .cse12 (+ .cse68 .cse72)))) (let ((.cse69 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| .cse71) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ .cse68 .cse69 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse71 .cse6 (+ .cse68 .cse69 .cse72))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse72))))))) 13) (not (<= .cse51 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)))) .cse26))) (or .cse17 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= .cse51 v_ArrVal_1173)) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse81 (store (store .cse67 .cse25 v_ArrVal_1173) .cse35 v_ArrVal_1175))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse81))) (let ((.cse80 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse77 (select .cse81 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse79 (select .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse76 (store .cse80 .cse12 (+ .cse77 .cse79)))) (let ((.cse78 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10))) (+ (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse76 .cse6 (+ .cse77 .cse78 .cse79))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse77 .cse78 .cse79))))))) 13)))))) .cse47))))))))) is different from true [2022-11-18 20:17:54,527 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse87 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse88 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse89 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse83 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse2 (<= .cse89 2147483647)) (.cse85 (* .cse89 8)) (.cse86 (* 8 .cse88)) (.cse36 (<= .cse88 2147483647)) (.cse84 (* .cse87 8)) (.cse40 (<= .cse87 2147483647))) (let ((.cse1 (not .cse40)) (.cse38 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse27 (not .cse36)) (.cse16 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse85)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse35 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse85)) (.cse26 (not .cse2)) (.cse48 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse37 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse50 (* .cse83 8)) (.cse0 (<= .cse83 2147483647))) (and (or (not .cse0) (let ((.cse49 (select .cse37 (+ .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse3 (+ 4 .cse49)) (.cse39 (+ 2 .cse49))) (and (or .cse1 (let ((.cse15 (store .cse37 .cse38 .cse39))) (and (or (and (or .cse2 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse3 v_ArrVal_1173)) (= (let ((.cse14 (store (store .cse15 .cse16 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14))) (let ((.cse12 (select .cse5 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse8 (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse6 (store .cse12 .cse13 (+ .cse8 .cse9)))) (let ((.cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse6 .cse7 (+ .cse4 .cse8 .cse9))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse8 .cse9))))))) 13)))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse24 (store (store .cse15 .cse16 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24))) (let ((.cse23 (select .cse19 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse18 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse20 (store .cse23 .cse13 (+ .cse18 .cse22)))) (let ((.cse21 (select (select (store .cse19 |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse20 .cse7 (+ .cse18 .cse21 .cse22))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse21 .cse22))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse3 v_ArrVal_1173)))) .cse26)) .cse27) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse34 (store (store .cse15 .cse35 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse33 (select .cse29 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse28 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse32 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse30 (store .cse33 .cse13 (+ .cse28 .cse32)))) (let ((.cse31 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse28 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse30 .cse7 (+ .cse28 .cse31 .cse32))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse31 .cse32))))))) 13) (not (<= .cse3 v_ArrVal_1173)))) .cse36)))) (or .cse40 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse3 v_ArrVal_1173)) (= (let ((.cse47 (store (store (store .cse37 .cse48 .cse39) .cse35 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse44 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47))) (let ((.cse46 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse41 (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse43 (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse45 (store .cse46 .cse13 (+ .cse41 .cse43)))) (let ((.cse42 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse41 .cse42 .cse43 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse45 .cse7 (+ .cse41 .cse42 .cse43))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) 13)))))))) (or (let ((.cse82 (select .cse37 (+ .cse50 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))) (let ((.cse59 (+ .cse82 4)) (.cse58 (+ 2 .cse82))) (and (or .cse1 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse57 (store (store (store .cse37 .cse38 .cse58) .cse16 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse57))) (let ((.cse56 (select .cse52 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse51 (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse54 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse53 (store .cse56 .cse13 (+ .cse51 .cse54)))) (let ((.cse55 (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse51 (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse53 .cse7 (+ .cse51 .cse54 .cse55))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse54 .cse55))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse59 v_ArrVal_1173))))) (or .cse40 (let ((.cse67 (store .cse37 .cse48 .cse58))) (and (or .cse27 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse66 (store (store .cse67 .cse16 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse66))) (let ((.cse65 (select .cse61 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse60 (select .cse66 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse63 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse62 (store .cse65 .cse13 (+ .cse60 .cse63)))) (let ((.cse64 (select (select (store .cse61 |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse60 (select (select (store .cse61 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse62 .cse7 (+ .cse60 .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse63 .cse64))))))) 13) (not (<= .cse59 v_ArrVal_1173))))) (or .cse36 (and (or .cse2 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse74 (store (store .cse67 .cse35 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74))) (let ((.cse73 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse71 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse70 (store .cse73 .cse13 (+ .cse68 .cse71)))) (let ((.cse72 (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse70) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse68 (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse70 .cse7 (+ .cse68 .cse71 .cse72))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse71 .cse72))))))) 13) (not (<= .cse59 v_ArrVal_1173))))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= 13 (let ((.cse81 (store (store .cse67 .cse35 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse81))) (let ((.cse80 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse76 (select .cse81 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse79 (select .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse78 (store .cse80 .cse13 (+ .cse76 .cse79)))) (let ((.cse75 (select (select (store .cse77 |c_ULTIMATE.start_main_~b~0#1.base| .cse78) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse75 .cse76 (select (select (store .cse77 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse78 .cse7 (+ .cse75 .cse76 .cse79))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse79)))))))) (not (<= .cse59 v_ArrVal_1173)))) .cse26))))))))) .cse0))))) is different from false [2022-11-18 20:17:56,540 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse87 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse88 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse89 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse83 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse2 (<= .cse89 2147483647)) (.cse85 (* .cse89 8)) (.cse86 (* 8 .cse88)) (.cse36 (<= .cse88 2147483647)) (.cse84 (* .cse87 8)) (.cse40 (<= .cse87 2147483647))) (let ((.cse1 (not .cse40)) (.cse38 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse27 (not .cse36)) (.cse16 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse85)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse35 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse85)) (.cse26 (not .cse2)) (.cse48 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse37 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse50 (* .cse83 8)) (.cse0 (<= .cse83 2147483647))) (and (or (not .cse0) (let ((.cse49 (select .cse37 (+ .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse3 (+ 4 .cse49)) (.cse39 (+ 2 .cse49))) (and (or .cse1 (let ((.cse15 (store .cse37 .cse38 .cse39))) (and (or (and (or .cse2 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse3 v_ArrVal_1173)) (= (let ((.cse14 (store (store .cse15 .cse16 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14))) (let ((.cse12 (select .cse5 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse8 (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse6 (store .cse12 .cse13 (+ .cse8 .cse9)))) (let ((.cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse6 .cse7 (+ .cse4 .cse8 .cse9))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse8 .cse9))))))) 13)))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse24 (store (store .cse15 .cse16 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24))) (let ((.cse23 (select .cse19 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse18 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse20 (store .cse23 .cse13 (+ .cse18 .cse22)))) (let ((.cse21 (select (select (store .cse19 |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse20 .cse7 (+ .cse18 .cse21 .cse22))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse21 .cse22))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse3 v_ArrVal_1173)))) .cse26)) .cse27) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse34 (store (store .cse15 .cse35 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse33 (select .cse29 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse28 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse32 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse30 (store .cse33 .cse13 (+ .cse28 .cse32)))) (let ((.cse31 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse28 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse30 .cse7 (+ .cse28 .cse31 .cse32))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse31 .cse32))))))) 13) (not (<= .cse3 v_ArrVal_1173)))) .cse36)))) (or .cse40 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse3 v_ArrVal_1173)) (= (let ((.cse47 (store (store (store .cse37 .cse48 .cse39) .cse35 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse44 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47))) (let ((.cse46 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse41 (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse43 (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse45 (store .cse46 .cse13 (+ .cse41 .cse43)))) (let ((.cse42 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse41 .cse42 .cse43 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse45 .cse7 (+ .cse41 .cse42 .cse43))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) 13)))))))) (or (let ((.cse82 (select .cse37 (+ .cse50 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))) (let ((.cse59 (+ .cse82 4)) (.cse58 (+ 2 .cse82))) (and (or .cse1 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse57 (store (store (store .cse37 .cse38 .cse58) .cse16 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse57))) (let ((.cse56 (select .cse52 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse51 (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse54 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse53 (store .cse56 .cse13 (+ .cse51 .cse54)))) (let ((.cse55 (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse51 (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse53 .cse7 (+ .cse51 .cse54 .cse55))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse54 .cse55))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse59 v_ArrVal_1173))))) (or .cse40 (let ((.cse67 (store .cse37 .cse48 .cse58))) (and (or .cse27 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse66 (store (store .cse67 .cse16 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse66))) (let ((.cse65 (select .cse61 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse60 (select .cse66 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse63 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse62 (store .cse65 .cse13 (+ .cse60 .cse63)))) (let ((.cse64 (select (select (store .cse61 |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse60 (select (select (store .cse61 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse62 .cse7 (+ .cse60 .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse63 .cse64))))))) 13) (not (<= .cse59 v_ArrVal_1173))))) (or .cse36 (and (or .cse2 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse74 (store (store .cse67 .cse35 v_ArrVal_1173) .cse17 v_ArrVal_1175))) (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74))) (let ((.cse73 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse71 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse70 (store .cse73 .cse13 (+ .cse68 .cse71)))) (let ((.cse72 (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse70) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse68 (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse70 .cse7 (+ .cse68 .cse71 .cse72))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse71 .cse72))))))) 13) (not (<= .cse59 v_ArrVal_1173))))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= 13 (let ((.cse81 (store (store .cse67 .cse35 v_ArrVal_1173) .cse25 v_ArrVal_1175))) (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse81))) (let ((.cse80 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse76 (select .cse81 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse79 (select .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse78 (store .cse80 .cse13 (+ .cse76 .cse79)))) (let ((.cse75 (select (select (store .cse77 |c_ULTIMATE.start_main_~b~0#1.base| .cse78) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11))) (+ .cse75 .cse76 (select (select (store .cse77 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse78 .cse7 (+ .cse75 .cse76 .cse79))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse79)))))))) (not (<= .cse59 v_ArrVal_1173)))) .cse26))))))))) .cse0))))) is different from true [2022-11-18 20:18:07,948 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse110 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse112 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse111 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse113 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse105 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse18 (<= .cse113 2147483647)) (.cse109 (* .cse113 8)) (.cse108 (* 8 .cse111)) (.cse28 (<= .cse112 2147483647)) (.cse107 (* .cse112 8)) (.cse46 (<= .cse111 2147483647)) (.cse51 (<= .cse110 2147483647)) (.cse106 (* .cse110 8))) (let ((.cse49 (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse52 (not .cse51)) (.cse27 (not .cse46)) (.cse15 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107)) (.cse45 (not .cse28)) (.cse14 (+ .cse108 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ .cse109 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (not .cse18)) (.cse3 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse47 (+ .cse109 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse36 (+ .cse108 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse107)) (.cse60 (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse48 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse62 (* 8 .cse105)) (.cse63 (<= .cse105 2147483647))) (and (or (let ((.cse61 (select .cse48 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse62)))) (let ((.cse50 (+ .cse61 2)) (.cse13 (+ .cse61 4)) (.cse16 (+ .cse61 6))) (and (or (let ((.cse11 (store .cse48 .cse49 .cse50))) (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse10 (store (store (store .cse11 .cse12 .cse13) .cse14 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10))) (let ((.cse8 (select .cse1 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse0 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse4 (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse2 (store .cse8 .cse9 (+ .cse0 .cse4)))) (let ((.cse5 (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse2 .cse3 (+ .cse0 .cse4 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse4 .cse5))))))) 13) (not (<= .cse16 v_ArrVal_1173)))) .cse17) (or .cse18 (let ((.cse26 (store .cse11 .cse47 .cse13))) (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse25 (store (store .cse26 .cse14 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25))) (let ((.cse24 (select .cse19 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse21 (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse20 (store .cse24 .cse9 (+ .cse21 .cse22)))) (let ((.cse23 (select (select (store .cse19 |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse19 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse20 .cse3 (+ .cse21 .cse22 .cse23))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse21 .cse22 .cse23))))))) 13) (not (<= .cse16 v_ArrVal_1173)))) .cse27) (or (and (or .cse28 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse35 (store (store .cse26 .cse36 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35))) (let ((.cse34 (select .cse29 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse30 (store .cse34 .cse9 (+ .cse31 .cse33)))) (let ((.cse32 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse30 .cse3 (+ .cse31 .cse32 .cse33))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse31 .cse32 .cse33))))))) 13) (not (<= .cse16 v_ArrVal_1173))))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse44 (store (store .cse26 .cse36 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44))) (let ((.cse43 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse39 (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse42 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse41 (store .cse43 .cse9 (+ .cse39 .cse42)))) (let ((.cse38 (select (select (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| .cse41) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse38 .cse39 (select (select (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse41 .cse3 (+ .cse38 .cse39 .cse42))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse42))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse16 v_ArrVal_1173)))) .cse45)) .cse46)))))) .cse51) (or .cse52 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse59 (store (store (store (store .cse48 .cse60 .cse50) .cse12 .cse13) .cse14 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse55 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse59))) (let ((.cse58 (select .cse55 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse53 (select .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse54 (select .cse58 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse56 (store .cse58 .cse9 (+ .cse53 .cse54)))) (let ((.cse57 (select (select (store .cse55 |c_ULTIMATE.start_main_~b~0#1.base| .cse56) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse53 .cse54 (select (select (store .cse55 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse56 .cse3 (+ .cse53 .cse54 .cse57))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse57))))))) 13) (not (<= .cse16 v_ArrVal_1173)))))))) .cse63) (or (let ((.cse104 (select .cse48 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse62)))) (let ((.cse73 (+ 4 .cse104)) (.cse64 (+ 6 .cse104)) (.cse72 (+ 2 .cse104))) (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse64 v_ArrVal_1173)) (= 13 (let ((.cse71 (store (store (store (store .cse48 .cse49 .cse72) .cse47 .cse73) .cse36 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71))) (let ((.cse70 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse69 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse67 (store .cse70 .cse9 (+ .cse68 .cse69)))) (let ((.cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse67 .cse3 (+ .cse65 .cse68 .cse69))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse68 .cse69)))))))))) .cse51) (or .cse52 (let ((.cse96 (store .cse48 .cse60 .cse72))) (and (or (let ((.cse81 (store .cse96 .cse12 .cse73))) (and (or .cse27 (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse64 v_ArrVal_1173)) (= (let ((.cse80 (store (store .cse81 .cse14 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse80))) (let ((.cse79 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse74 (select .cse80 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse78 (select .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse76 (store .cse79 .cse9 (+ .cse74 .cse78)))) (let ((.cse77 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse74 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse76 .cse3 (+ .cse74 .cse77 .cse78))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse77 .cse78))))))) 13))) .cse45) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse88 (store (store .cse81 .cse14 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse85 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse88))) (let ((.cse87 (select .cse85 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse83 (select .cse88 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse84 (select .cse87 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse86 (store .cse87 .cse9 (+ .cse83 .cse84)))) (let ((.cse82 (select (select (store .cse85 |c_ULTIMATE.start_main_~b~0#1.base| .cse86) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse82 .cse83 .cse84 (select (select (store .cse85 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse86 .cse3 (+ .cse82 .cse83 .cse84))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6)))))))) 13) (not (<= .cse64 v_ArrVal_1173)))) .cse28))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse64 v_ArrVal_1173)) (= (let ((.cse95 (store (store .cse81 .cse36 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse91 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse95))) (let ((.cse94 (select .cse91 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse89 (select .cse95 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse93 (select .cse94 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse92 (store .cse94 .cse9 (+ .cse89 .cse93)))) (let ((.cse90 (select (select (store .cse91 |c_ULTIMATE.start_main_~b~0#1.base| .cse92) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse89 .cse90 (select (select (store .cse91 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse92 .cse3 (+ .cse89 .cse90 .cse93))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse93))))))) 13))) .cse46))) .cse17) (or .cse18 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= 13 (let ((.cse103 (store (store (store .cse96 .cse47 .cse73) .cse36 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse97 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse103))) (let ((.cse102 (select .cse97 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse100 (select .cse103 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse101 (select .cse102 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse98 (store .cse102 .cse9 (+ .cse100 .cse101)))) (let ((.cse99 (select (select (store .cse97 |c_ULTIMATE.start_main_~b~0#1.base| .cse98) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse97 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse98 .cse3 (+ .cse99 .cse100 .cse101))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse99 .cse100 .cse101)))))))) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse64 v_ArrVal_1173))))))))))) (not .cse63)))))) is different from false [2022-11-18 20:18:09,963 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse110 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse112 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse111 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse113 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse105 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse18 (<= .cse113 2147483647)) (.cse109 (* .cse113 8)) (.cse108 (* 8 .cse111)) (.cse28 (<= .cse112 2147483647)) (.cse107 (* .cse112 8)) (.cse46 (<= .cse111 2147483647)) (.cse51 (<= .cse110 2147483647)) (.cse106 (* .cse110 8))) (let ((.cse49 (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse52 (not .cse51)) (.cse27 (not .cse46)) (.cse15 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107)) (.cse45 (not .cse28)) (.cse14 (+ .cse108 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ .cse109 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (not .cse18)) (.cse3 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse47 (+ .cse109 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse36 (+ .cse108 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse107)) (.cse60 (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse48 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse62 (* 8 .cse105)) (.cse63 (<= .cse105 2147483647))) (and (or (let ((.cse61 (select .cse48 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse62)))) (let ((.cse50 (+ .cse61 2)) (.cse13 (+ .cse61 4)) (.cse16 (+ .cse61 6))) (and (or (let ((.cse11 (store .cse48 .cse49 .cse50))) (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse10 (store (store (store .cse11 .cse12 .cse13) .cse14 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10))) (let ((.cse8 (select .cse1 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse0 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse4 (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse2 (store .cse8 .cse9 (+ .cse0 .cse4)))) (let ((.cse5 (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse2 .cse3 (+ .cse0 .cse4 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse4 .cse5))))))) 13) (not (<= .cse16 v_ArrVal_1173)))) .cse17) (or .cse18 (let ((.cse26 (store .cse11 .cse47 .cse13))) (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse25 (store (store .cse26 .cse14 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25))) (let ((.cse24 (select .cse19 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse21 (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse20 (store .cse24 .cse9 (+ .cse21 .cse22)))) (let ((.cse23 (select (select (store .cse19 |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse19 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse20 .cse3 (+ .cse21 .cse22 .cse23))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse21 .cse22 .cse23))))))) 13) (not (<= .cse16 v_ArrVal_1173)))) .cse27) (or (and (or .cse28 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse35 (store (store .cse26 .cse36 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35))) (let ((.cse34 (select .cse29 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse30 (store .cse34 .cse9 (+ .cse31 .cse33)))) (let ((.cse32 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse30 .cse3 (+ .cse31 .cse32 .cse33))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse31 .cse32 .cse33))))))) 13) (not (<= .cse16 v_ArrVal_1173))))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse44 (store (store .cse26 .cse36 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44))) (let ((.cse43 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse39 (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse42 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse41 (store .cse43 .cse9 (+ .cse39 .cse42)))) (let ((.cse38 (select (select (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| .cse41) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse38 .cse39 (select (select (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse41 .cse3 (+ .cse38 .cse39 .cse42))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse42))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse16 v_ArrVal_1173)))) .cse45)) .cse46)))))) .cse51) (or .cse52 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse59 (store (store (store (store .cse48 .cse60 .cse50) .cse12 .cse13) .cse14 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse55 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse59))) (let ((.cse58 (select .cse55 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse53 (select .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse54 (select .cse58 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse56 (store .cse58 .cse9 (+ .cse53 .cse54)))) (let ((.cse57 (select (select (store .cse55 |c_ULTIMATE.start_main_~b~0#1.base| .cse56) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse53 .cse54 (select (select (store .cse55 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse56 .cse3 (+ .cse53 .cse54 .cse57))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse57))))))) 13) (not (<= .cse16 v_ArrVal_1173)))))))) .cse63) (or (let ((.cse104 (select .cse48 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse62)))) (let ((.cse73 (+ 4 .cse104)) (.cse64 (+ 6 .cse104)) (.cse72 (+ 2 .cse104))) (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse64 v_ArrVal_1173)) (= 13 (let ((.cse71 (store (store (store (store .cse48 .cse49 .cse72) .cse47 .cse73) .cse36 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71))) (let ((.cse70 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse69 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse67 (store .cse70 .cse9 (+ .cse68 .cse69)))) (let ((.cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse67 .cse3 (+ .cse65 .cse68 .cse69))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse68 .cse69)))))))))) .cse51) (or .cse52 (let ((.cse96 (store .cse48 .cse60 .cse72))) (and (or (let ((.cse81 (store .cse96 .cse12 .cse73))) (and (or .cse27 (and (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse64 v_ArrVal_1173)) (= (let ((.cse80 (store (store .cse81 .cse14 v_ArrVal_1173) .cse15 v_ArrVal_1175))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse80))) (let ((.cse79 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse74 (select .cse80 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse78 (select .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse76 (store .cse79 .cse9 (+ .cse74 .cse78)))) (let ((.cse77 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse74 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse76 .cse3 (+ .cse74 .cse77 .cse78))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse77 .cse78))))))) 13))) .cse45) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse88 (store (store .cse81 .cse14 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse85 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse88))) (let ((.cse87 (select .cse85 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse83 (select .cse88 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse84 (select .cse87 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse86 (store .cse87 .cse9 (+ .cse83 .cse84)))) (let ((.cse82 (select (select (store .cse85 |c_ULTIMATE.start_main_~b~0#1.base| .cse86) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse82 .cse83 .cse84 (select (select (store .cse85 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse86 .cse3 (+ .cse82 .cse83 .cse84))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6)))))))) 13) (not (<= .cse64 v_ArrVal_1173)))) .cse28))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse64 v_ArrVal_1173)) (= (let ((.cse95 (store (store .cse81 .cse36 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse91 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse95))) (let ((.cse94 (select .cse91 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse89 (select .cse95 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse93 (select .cse94 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse92 (store .cse94 .cse9 (+ .cse89 .cse93)))) (let ((.cse90 (select (select (store .cse91 |c_ULTIMATE.start_main_~b~0#1.base| .cse92) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse89 .cse90 (select (select (store .cse91 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse92 .cse3 (+ .cse89 .cse90 .cse93))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse93))))))) 13))) .cse46))) .cse17) (or .cse18 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= 13 (let ((.cse103 (store (store (store .cse96 .cse47 .cse73) .cse36 v_ArrVal_1173) .cse37 v_ArrVal_1175))) (let ((.cse97 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse103))) (let ((.cse102 (select .cse97 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse100 (select .cse103 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse101 (select .cse102 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse98 (store .cse102 .cse9 (+ .cse100 .cse101)))) (let ((.cse99 (select (select (store .cse97 |c_ULTIMATE.start_main_~b~0#1.base| .cse98) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse97 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse98 .cse3 (+ .cse99 .cse100 .cse101))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse99 .cse100 .cse101)))))))) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse64 v_ArrVal_1173))))))))))) (not .cse63)))))) is different from true [2022-11-18 20:18:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 37 refuted. 1 times theorem prover too weak. 0 trivial. 12 not checked. [2022-11-18 20:18:09,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:18:09,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496758169] [2022-11-18 20:18:09,985 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:18:09,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317292526] [2022-11-18 20:18:09,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317292526] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:18:09,985 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:18:09,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 43 [2022-11-18 20:18:09,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607409679] [2022-11-18 20:18:09,986 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:18:09,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-11-18 20:18:09,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:18:09,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-11-18 20:18:09,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1270, Unknown=43, NotChecked=308, Total=1806 [2022-11-18 20:18:09,987 INFO L87 Difference]: Start difference. First operand 166 states and 186 transitions. Second operand has 43 states, 43 states have (on average 1.744186046511628) internal successors, (75), 43 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 20:18:14,090 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse87 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse88 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse89 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse83 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse82 (* .cse83 8)) (.cse3 (<= .cse89 2147483647)) (.cse85 (* .cse89 8)) (.cse86 (* 8 .cse88)) (.cse37 (<= .cse88 2147483647)) (.cse84 (* .cse87 8)) (.cse40 (<= .cse87 2147483647))) (let ((.cse2 (not .cse40)) (.cse38 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse28 (not .cse37)) (.cse17 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse85)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse36 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse26 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse85)) (.cse27 (not .cse3)) (.cse48 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (<= .cse83 2147483647)) (.cse49 (select .cse0 (+ .cse82 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (and (= 2 (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* 8 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))))) (or (not .cse1) (let ((.cse4 (+ 4 .cse49)) (.cse39 (+ 2 .cse49))) (and (or .cse2 (let ((.cse16 (store .cse0 .cse38 .cse39))) (and (or (and (or .cse3 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse4 v_ArrVal_1173)) (= (let ((.cse15 (store (store .cse16 .cse17 v_ArrVal_1173) .cse18 v_ArrVal_1175))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15))) (let ((.cse13 (select .cse6 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse9 (select .cse13 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse7 (store .cse13 .cse14 (+ .cse9 .cse10)))) (let ((.cse5 (select (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12))) (+ .cse5 (select (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse7 .cse8 (+ .cse5 .cse9 .cse10))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11) .cse9 .cse10))))))) 13)))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse25 (store (store .cse16 .cse17 v_ArrVal_1173) .cse26 v_ArrVal_1175))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25))) (let ((.cse24 (select .cse20 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse19 (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse23 (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse21 (store .cse24 .cse14 (+ .cse19 .cse23)))) (let ((.cse22 (select (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12))) (+ .cse19 (select (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse21 .cse8 (+ .cse19 .cse22 .cse23))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11) .cse22 .cse23))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse4 v_ArrVal_1173)))) .cse27)) .cse28) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse35 (store (store .cse16 .cse36 v_ArrVal_1173) .cse18 v_ArrVal_1175))) (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35))) (let ((.cse34 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse29 (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse31 (store .cse34 .cse14 (+ .cse29 .cse33)))) (let ((.cse32 (select (select (store .cse30 |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12))) (+ .cse29 (select (select (store .cse30 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse31 .cse8 (+ .cse29 .cse32 .cse33))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11) .cse32 .cse33))))))) 13) (not (<= .cse4 v_ArrVal_1173)))) .cse37)))) (or .cse40 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse4 v_ArrVal_1173)) (= (let ((.cse47 (store (store (store .cse0 .cse48 .cse39) .cse36 v_ArrVal_1173) .cse18 v_ArrVal_1175))) (let ((.cse44 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47))) (let ((.cse46 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse41 (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse43 (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse45 (store .cse46 .cse14 (+ .cse41 .cse43)))) (let ((.cse42 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12))) (+ .cse41 .cse42 .cse43 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse45 .cse8 (+ .cse41 .cse42 .cse43))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11)))))))) 13))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (or (let ((.cse81 (select .cse0 (+ .cse82 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))) (let ((.cse58 (+ .cse81 4)) (.cse57 (+ 2 .cse81))) (and (or .cse2 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (= (let ((.cse56 (store (store (store .cse0 .cse38 .cse57) .cse17 v_ArrVal_1173) .cse26 v_ArrVal_1175))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse56))) (let ((.cse55 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse50 (select .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse53 (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse52 (store .cse55 .cse14 (+ .cse50 .cse53)))) (let ((.cse54 (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse52) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12))) (+ .cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse52 .cse8 (+ .cse50 .cse53 .cse54))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11) .cse53 .cse54))))))) 13) (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (not (<= .cse58 v_ArrVal_1173))))) (or .cse40 (let ((.cse66 (store .cse0 .cse48 .cse57))) (and (or .cse28 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse65 (store (store .cse66 .cse17 v_ArrVal_1173) .cse26 v_ArrVal_1175))) (let ((.cse60 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse65))) (let ((.cse64 (select .cse60 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse59 (select .cse65 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse62 (select .cse64 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse61 (store .cse64 .cse14 (+ .cse59 .cse62)))) (let ((.cse63 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| .cse61) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12))) (+ .cse59 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse61 .cse8 (+ .cse59 .cse62 .cse63))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11) .cse62 .cse63))))))) 13) (not (<= .cse58 v_ArrVal_1173))))) (or .cse37 (and (or .cse3 (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= (let ((.cse73 (store (store .cse66 .cse36 v_ArrVal_1173) .cse18 v_ArrVal_1175))) (let ((.cse68 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse73))) (let ((.cse72 (select .cse68 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse67 (select .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse70 (select .cse73 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse69 (store .cse72 .cse14 (+ .cse67 .cse70)))) (let ((.cse71 (select (select (store .cse68 |c_ULTIMATE.start_main_~b~0#1.base| .cse69) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12))) (+ .cse67 (select (select (store .cse68 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse69 .cse8 (+ .cse67 .cse70 .cse71))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11) .cse70 .cse71))))))) 13) (not (<= .cse58 v_ArrVal_1173))))) (or (forall ((v_ArrVal_1173 Int) (v_ArrVal_1175 Int)) (or (not (<= (+ 2 v_ArrVal_1173) v_ArrVal_1175)) (= 13 (let ((.cse80 (store (store .cse66 .cse36 v_ArrVal_1173) .cse26 v_ArrVal_1175))) (let ((.cse76 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse80))) (let ((.cse79 (select .cse76 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse75 (select .cse80 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse78 (select .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse77 (store .cse79 .cse14 (+ .cse75 .cse78)))) (let ((.cse74 (select (select (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| .cse77) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12))) (+ .cse74 .cse75 (select (select (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse77 .cse8 (+ .cse74 .cse75 .cse78))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse11) .cse78)))))))) (not (<= .cse58 v_ArrVal_1173)))) .cse27))))))))) .cse1) (= 4 .cse49) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 1))))) is different from true