./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 f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX --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 --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:49:56,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:49:56,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:49:56,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:49:56,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:49:56,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:49:56,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:49:56,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:49:56,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:49:56,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:49:56,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:49:56,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:49:56,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:49:56,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:49:56,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:49:56,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:49:56,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:49:56,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:49:56,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:49:56,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:49:56,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:49:56,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:49:56,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:49:56,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:49:56,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:49:56,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:49:56,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:49:56,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:49:56,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:49:56,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:49:56,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:49:56,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:49:56,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:49:56,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:49:56,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:49:56,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:49:56,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:49:56,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:49:56,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:49:56,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:49:56,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:49:56,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 10:49:56,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:49:56,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:49:56,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:49:56,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:49:56,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:49:56,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:49:56,480 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:49:56,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:49:56,480 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:49:56,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:49:56,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:49:56,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:49:56,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 10:49:56,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 10:49:56,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 10:49:56,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:49:56,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 10:49:56,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:49:56,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 10:49:56,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:49:56,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:49:56,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 10:49:56,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:49:56,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:49:56,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 10:49:56,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 10:49:56,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:49:56,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 10:49:56,483 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 10:49:56,483 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 10:49:56,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 10:49:56,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:49:56,484 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_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14bc2dbf7c29b1d0f6a0a1f7aa323adbc9855e56ce7f667c86a31ecee97dcbe0 [2021-11-09 10:49:56,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:49:56,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:49:56,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:49:56,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:49:56,758 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:49:56,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/array-fpi/eqn1.c [2021-11-09 10:49:56,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/data/bdffa856a/680d628707394c6f8670ff15f73e203c/FLAGafbbab8d9 [2021-11-09 10:49:57,235 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:49:57,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/sv-benchmarks/c/array-fpi/eqn1.c [2021-11-09 10:49:57,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/data/bdffa856a/680d628707394c6f8670ff15f73e203c/FLAGafbbab8d9 [2021-11-09 10:49:57,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/data/bdffa856a/680d628707394c6f8670ff15f73e203c [2021-11-09 10:49:57,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:49:57,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 10:49:57,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:49:57,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:49:57,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:49:57,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560d6dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57, skipping insertion in model container [2021-11-09 10:49:57,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:49:57,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:49:57,838 WARN L228 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_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/sv-benchmarks/c/array-fpi/eqn1.c[587,600] [2021-11-09 10:49:57,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:49:57,863 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:49:57,877 WARN L228 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_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/sv-benchmarks/c/array-fpi/eqn1.c[587,600] [2021-11-09 10:49:57,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:49:57,897 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:49:57,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57 WrapperNode [2021-11-09 10:49:57,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:49:57,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 10:49:57,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 10:49:57,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 10:49:57,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 10:49:57,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:49:57,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:49:57,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:49:57,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 10:49:57,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 10:49:57,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 10:49:57,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 10:49:57,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (1/1) ... [2021-11-09 10:49:57,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:49:57,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:58,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:58,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 10:49:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 10:49:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 10:49:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 10:49:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 10:49:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 10:49:58,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 10:49:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 10:49:58,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 10:49:58,299 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-09 10:49:58,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:49:58 BoogieIcfgContainer [2021-11-09 10:49:58,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 10:49:58,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 10:49:58,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 10:49:58,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 10:49:58,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:49:57" (1/3) ... [2021-11-09 10:49:58,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ae9336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:49:58, skipping insertion in model container [2021-11-09 10:49:58,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:57" (2/3) ... [2021-11-09 10:49:58,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ae9336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:49:58, skipping insertion in model container [2021-11-09 10:49:58,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:49:58" (3/3) ... [2021-11-09 10:49:58,308 INFO L111 eAbstractionObserver]: Analyzing ICFG eqn1.c [2021-11-09 10:49:58,313 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 10:49:58,313 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 10:49:58,358 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 10:49:58,365 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 10:49:58,365 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 10:49:58,378 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) [2021-11-09 10:49:58,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-09 10:49:58,383 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:49:58,384 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:58,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:49:58,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:58,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2021-11-09 10:49:58,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:58,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732358183] [2021-11-09 10:49:58,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:58,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:49:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:49:58,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:49:58,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732358183] [2021-11-09 10:49:58,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732358183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:49:58,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:49:58,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 10:49:58,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879001823] [2021-11-09 10:49:58,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 10:49:58,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:49:58,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 10:49:58,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 10:49:58,662 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) [2021-11-09 10:49:58,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:49:58,676 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-11-09 10:49:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 10:49:58,677 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 [2021-11-09 10:49:58,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:49:58,683 INFO L225 Difference]: With dead ends: 38 [2021-11-09 10:49:58,683 INFO L226 Difference]: Without dead ends: 17 [2021-11-09 10:49:58,685 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 10:49:58,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-09 10:49:58,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-09 10:49:58,708 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) [2021-11-09 10:49:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-11-09 10:49:58,710 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2021-11-09 10:49:58,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:49:58,710 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-11-09 10:49:58,711 INFO L471 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) [2021-11-09 10:49:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-09 10:49:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-09 10:49:58,711 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:49:58,712 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:58,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 10:49:58,712 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:49:58,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:58,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2021-11-09 10:49:58,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:58,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664559915] [2021-11-09 10:49:58,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:58,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:58,744 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:49:58,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358658753] [2021-11-09 10:49:58,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:58,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:49:58,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:58,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:49:58,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 10:49:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:49:58,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 10:49:58,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:49:58,961 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-09 10:49:58,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-09 10:49:59,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:49:59,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:49:59,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664559915] [2021-11-09 10:49:59,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:49:59,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358658753] [2021-11-09 10:49:59,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358658753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:49:59,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:49:59,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 10:49:59,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132158142] [2021-11-09 10:49:59,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 10:49:59,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:49:59,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 10:49:59,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:49:59,095 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) [2021-11-09 10:49:59,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:49:59,215 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-11-09 10:49:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 10:49:59,216 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 [2021-11-09 10:49:59,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:49:59,219 INFO L225 Difference]: With dead ends: 34 [2021-11-09 10:49:59,219 INFO L226 Difference]: Without dead ends: 32 [2021-11-09 10:49:59,220 INFO L786 BasicCegarLoop]: 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 [2021-11-09 10:49:59,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-09 10:49:59,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-11-09 10:49:59,229 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) [2021-11-09 10:49:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-11-09 10:49:59,232 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-11-09 10:49:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:49:59,233 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-11-09 10:49:59,235 INFO L471 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) [2021-11-09 10:49:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-09 10:49:59,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-09 10:49:59,238 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:49:59,238 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:59,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:59,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:49:59,439 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:49:59,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:59,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1755224028, now seen corresponding path program 1 times [2021-11-09 10:49:59,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:59,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137589771] [2021-11-09 10:49:59,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:59,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:59,486 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:49:59,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173929136] [2021-11-09 10:49:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:59,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:49:59,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:59,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:49:59,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 10:49:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:49:59,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 10:49:59,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:49:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:49:59,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:49:59,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137589771] [2021-11-09 10:49:59,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:49:59,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173929136] [2021-11-09 10:49:59,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173929136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:49:59,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:49:59,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 10:49:59,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69980932] [2021-11-09 10:49:59,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 10:49:59,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:49:59,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 10:49:59,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:49:59,634 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) [2021-11-09 10:49:59,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:49:59,716 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2021-11-09 10:49:59,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 10:49:59,717 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 [2021-11-09 10:49:59,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:49:59,719 INFO L225 Difference]: With dead ends: 49 [2021-11-09 10:49:59,719 INFO L226 Difference]: Without dead ends: 40 [2021-11-09 10:49:59,721 INFO L786 BasicCegarLoop]: 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 [2021-11-09 10:49:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-09 10:49:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2021-11-09 10:49:59,726 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) [2021-11-09 10:49:59,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-11-09 10:49:59,729 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2021-11-09 10:49:59,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:49:59,730 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-11-09 10:49:59,730 INFO L471 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) [2021-11-09 10:49:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-11-09 10:49:59,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-09 10:49:59,731 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:49:59,731 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:59,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:59,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:49:59,951 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:49:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:59,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1842440164, now seen corresponding path program 1 times [2021-11-09 10:49:59,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:59,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011203417] [2021-11-09 10:49:59,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:59,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:00,005 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:00,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958434008] [2021-11-09 10:50:00,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:00,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:00,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:00,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:00,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 10:50:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:50:00,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 10:50:00,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:00,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:00,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011203417] [2021-11-09 10:50:00,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:00,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958434008] [2021-11-09 10:50:00,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958434008] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:00,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:00,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-11-09 10:50:00,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641673462] [2021-11-09 10:50:00,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 10:50:00,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:00,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 10:50:00,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:50:00,188 INFO L87 Difference]: Start difference. First operand 23 states and 26 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) [2021-11-09 10:50:00,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:00,270 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-11-09 10:50:00,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-09 10:50:00,271 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 [2021-11-09 10:50:00,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:00,273 INFO L225 Difference]: With dead ends: 44 [2021-11-09 10:50:00,273 INFO L226 Difference]: Without dead ends: 37 [2021-11-09 10:50:00,274 INFO L786 BasicCegarLoop]: 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 [2021-11-09 10:50:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-09 10:50:00,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 24. [2021-11-09 10:50:00,287 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) [2021-11-09 10:50:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-11-09 10:50:00,288 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2021-11-09 10:50:00,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:00,288 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-11-09 10:50:00,289 INFO L471 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) [2021-11-09 10:50:00,290 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-11-09 10:50:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-09 10:50:00,291 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:00,291 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:00,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:00,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:00,517 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:00,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:00,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1667884396, now seen corresponding path program 1 times [2021-11-09 10:50:00,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:00,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322220314] [2021-11-09 10:50:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:00,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:00,543 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:00,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194676817] [2021-11-09 10:50:00,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:00,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:00,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:00,544 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:00,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-09 10:50:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:50:00,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 10:50:00,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:00,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:00,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322220314] [2021-11-09 10:50:00,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:00,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194676817] [2021-11-09 10:50:00,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194676817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:50:00,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:50:00,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 10:50:00,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420540510] [2021-11-09 10:50:00,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 10:50:00,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:00,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 10:50:00,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-09 10:50:00,722 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) [2021-11-09 10:50:00,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:00,795 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2021-11-09 10:50:00,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 10:50:00,796 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 [2021-11-09 10:50:00,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:00,797 INFO L225 Difference]: With dead ends: 41 [2021-11-09 10:50:00,797 INFO L226 Difference]: Without dead ends: 27 [2021-11-09 10:50:00,798 INFO L786 BasicCegarLoop]: 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 [2021-11-09 10:50:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-09 10:50:00,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-11-09 10:50:00,802 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) [2021-11-09 10:50:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-09 10:50:00,803 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2021-11-09 10:50:00,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:00,803 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-09 10:50:00,804 INFO L471 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) [2021-11-09 10:50:00,804 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-09 10:50:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-09 10:50:00,805 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:00,805 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:00,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:01,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:01,030 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:01,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:01,032 INFO L85 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2021-11-09 10:50:01,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:01,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715974674] [2021-11-09 10:50:01,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:01,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:01,086 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:01,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714126735] [2021-11-09 10:50:01,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:01,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:01,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:01,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:01,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-09 10:50:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:50:01,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-09 10:50:01,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:01,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-09 10:50:01,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-09 10:50:01,319 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-09 10:50:01,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 32 [2021-11-09 10:50:01,489 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-09 10:50:01,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 50 [2021-11-09 10:50:01,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:01,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:01,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715974674] [2021-11-09 10:50:01,768 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:01,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714126735] [2021-11-09 10:50:01,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714126735] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:01,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:01,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-11-09 10:50:01,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688288611] [2021-11-09 10:50:01,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-09 10:50:01,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:01,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 10:50:01,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-09 10:50:01,775 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 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) [2021-11-09 10:50:02,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:02,114 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2021-11-09 10:50:02,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-09 10:50:02,115 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 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 [2021-11-09 10:50:02,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:02,115 INFO L225 Difference]: With dead ends: 43 [2021-11-09 10:50:02,116 INFO L226 Difference]: Without dead ends: 41 [2021-11-09 10:50:02,116 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-11-09 10:50:02,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-09 10:50:02,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 32. [2021-11-09 10:50:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2021-11-09 10:50:02,121 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 16 [2021-11-09 10:50:02,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:02,122 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2021-11-09 10:50:02,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 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) [2021-11-09 10:50:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-11-09 10:50:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-09 10:50:02,123 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:02,123 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:02,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:02,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:02,345 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:02,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:02,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1267903976, now seen corresponding path program 2 times [2021-11-09 10:50:02,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:02,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972378519] [2021-11-09 10:50:02,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:02,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:02,373 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:02,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544553683] [2021-11-09 10:50:02,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 10:50:02,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:02,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:02,389 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:02,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-09 10:50:02,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 10:50:02,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:50:02,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 10:50:02,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:02,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:02,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972378519] [2021-11-09 10:50:02,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:02,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544553683] [2021-11-09 10:50:02,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544553683] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:02,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:02,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-11-09 10:50:02,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5924603] [2021-11-09 10:50:02,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 10:50:02,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:02,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 10:50:02,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:50:02,573 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:02,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:02,685 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2021-11-09 10:50:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 10:50:02,686 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-09 10:50:02,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:02,686 INFO L225 Difference]: With dead ends: 65 [2021-11-09 10:50:02,686 INFO L226 Difference]: Without dead ends: 56 [2021-11-09 10:50:02,687 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-09 10:50:02,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-09 10:50:02,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 32. [2021-11-09 10:50:02,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-11-09 10:50:02,693 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 18 [2021-11-09 10:50:02,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:02,693 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-11-09 10:50:02,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-11-09 10:50:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-09 10:50:02,694 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:02,694 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:02,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:02,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-09 10:50:02,905 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:02,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:02,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1174519208, now seen corresponding path program 3 times [2021-11-09 10:50:02,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:02,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334969982] [2021-11-09 10:50:02,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:02,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:02,928 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:02,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653409025] [2021-11-09 10:50:02,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-09 10:50:02,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:02,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:02,930 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:02,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-09 10:50:03,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-09 10:50:03,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:50:03,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 10:50:03,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:03,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:03,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334969982] [2021-11-09 10:50:03,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:03,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653409025] [2021-11-09 10:50:03,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653409025] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:03,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:03,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-11-09 10:50:03,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319318792] [2021-11-09 10:50:03,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 10:50:03,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:03,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 10:50:03,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:50:03,139 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:03,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:03,243 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2021-11-09 10:50:03,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-09 10:50:03,244 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-09 10:50:03,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:03,245 INFO L225 Difference]: With dead ends: 60 [2021-11-09 10:50:03,245 INFO L226 Difference]: Without dead ends: 53 [2021-11-09 10:50:03,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-09 10:50:03,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-09 10:50:03,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 34. [2021-11-09 10:50:03,249 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) [2021-11-09 10:50:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-11-09 10:50:03,250 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 18 [2021-11-09 10:50:03,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:03,250 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-11-09 10:50:03,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-11-09 10:50:03,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-09 10:50:03,251 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:03,251 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:03,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:03,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-09 10:50:03,452 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:03,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:03,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1786143722, now seen corresponding path program 4 times [2021-11-09 10:50:03,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:03,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412474607] [2021-11-09 10:50:03,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:03,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:03,498 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:03,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [139193463] [2021-11-09 10:50:03,498 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-09 10:50:03,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:03,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:03,505 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:03,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-09 10:50:03,734 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-09 10:50:03,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:50:03,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-09 10:50:03,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:03,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-09 10:50:03,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-09 10:50:03,978 INFO L354 Elim1Store]: treesize reduction 655, result has 16.8 percent of original size [2021-11-09 10:50:03,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 186 treesize of output 283 [2021-11-09 10:50:04,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 56 [2021-11-09 10:50:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 57 [2021-11-09 10:50:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 50 [2021-11-09 10:50:04,271 INFO L354 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size [2021-11-09 10:50:04,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 46 [2021-11-09 10:50:04,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,496 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-11-09 10:50:04,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 11 new quantified variables, introduced 10 case distinctions, treesize of input 254 treesize of output 478 [2021-11-09 10:50:04,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:04,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 325 treesize of output 204 [2021-11-09 10:50:04,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:04,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:04,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 131 [2021-11-09 10:50:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:04,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 138 [2021-11-09 10:50:04,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:04,992 INFO L354 Elim1Store]: treesize reduction 220, result has 10.6 percent of original size [2021-11-09 10:50:04,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 case distinctions, treesize of input 83 treesize of output 74 [2021-11-09 10:50:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:05,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:05,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412474607] [2021-11-09 10:50:05,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:05,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139193463] [2021-11-09 10:50:05,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139193463] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:05,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:05,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-11-09 10:50:05,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891556759] [2021-11-09 10:50:05,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-09 10:50:05,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:05,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-09 10:50:05,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-09 10:50:05,544 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:08,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:08,358 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2021-11-09 10:50:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-09 10:50:08,358 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-09 10:50:08,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:08,359 INFO L225 Difference]: With dead ends: 64 [2021-11-09 10:50:08,359 INFO L226 Difference]: Without dead ends: 62 [2021-11-09 10:50:08,360 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2021-11-09 10:50:08,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-11-09 10:50:08,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 47. [2021-11-09 10:50:08,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 46 states have internal predecessors, (52), 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) [2021-11-09 10:50:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2021-11-09 10:50:08,370 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 20 [2021-11-09 10:50:08,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:08,371 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2021-11-09 10:50:08,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:08,371 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2021-11-09 10:50:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 10:50:08,372 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:08,372 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:08,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-09 10:50:08,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:08,583 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:08,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:08,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1146782124, now seen corresponding path program 5 times [2021-11-09 10:50:08,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:08,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677521881] [2021-11-09 10:50:08,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:08,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:08,629 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:08,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470445969] [2021-11-09 10:50:08,630 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-09 10:50:08,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:08,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:08,631 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:08,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-09 10:50:17,728 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-09 10:50:17,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:50:17,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 10:50:17,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:17,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:17,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677521881] [2021-11-09 10:50:17,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:17,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470445969] [2021-11-09 10:50:17,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470445969] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:17,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:17,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-11-09 10:50:17,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579628459] [2021-11-09 10:50:17,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 10:50:17,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:17,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 10:50:17,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-09 10:50:17,866 INFO L87 Difference]: Start difference. First operand 47 states and 52 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) [2021-11-09 10:50:18,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:18,017 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2021-11-09 10:50:18,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-09 10:50:18,018 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 22 [2021-11-09 10:50:18,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:18,018 INFO L225 Difference]: With dead ends: 97 [2021-11-09 10:50:18,019 INFO L226 Difference]: Without dead ends: 88 [2021-11-09 10:50:18,019 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-09 10:50:18,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-09 10:50:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 47. [2021-11-09 10:50:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.108695652173913) internal successors, (51), 46 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) [2021-11-09 10:50:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2021-11-09 10:50:18,028 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 22 [2021-11-09 10:50:18,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:18,028 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2021-11-09 10:50:18,028 INFO L471 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) [2021-11-09 10:50:18,029 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-09 10:50:18,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 10:50:18,029 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:18,030 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:18,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:18,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-09 10:50:18,236 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:18,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:18,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1598333292, now seen corresponding path program 6 times [2021-11-09 10:50:18,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:18,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388768809] [2021-11-09 10:50:18,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:18,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:18,272 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:18,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [679345600] [2021-11-09 10:50:18,276 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-09 10:50:18,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:18,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:18,277 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:18,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-09 10:50:18,520 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-11-09 10:50:18,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:50:18,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 10:50:18,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:18,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:18,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388768809] [2021-11-09 10:50:18,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:18,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679345600] [2021-11-09 10:50:18,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679345600] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:18,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:18,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-11-09 10:50:18,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304301906] [2021-11-09 10:50:18,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 10:50:18,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:18,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 10:50:18,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-09 10:50:18,650 INFO L87 Difference]: Start difference. First operand 47 states and 51 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) [2021-11-09 10:50:18,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:18,856 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2021-11-09 10:50:18,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 10:50:18,856 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 22 [2021-11-09 10:50:18,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:18,858 INFO L225 Difference]: With dead ends: 81 [2021-11-09 10:50:18,858 INFO L226 Difference]: Without dead ends: 74 [2021-11-09 10:50:18,859 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-11-09 10:50:18,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-09 10:50:18,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 49. [2021-11-09 10:50:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 48 states have internal predecessors, (53), 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) [2021-11-09 10:50:18,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2021-11-09 10:50:18,882 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 22 [2021-11-09 10:50:18,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:18,882 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2021-11-09 10:50:18,882 INFO L471 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) [2021-11-09 10:50:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-11-09 10:50:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-09 10:50:18,884 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:18,884 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:18,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:19,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:19,101 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:19,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:19,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1197174726, now seen corresponding path program 1 times [2021-11-09 10:50:19,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:19,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999449686] [2021-11-09 10:50:19,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:19,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:19,114 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:19,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [414908155] [2021-11-09 10:50:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:19,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:19,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:19,120 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:19,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-09 10:50:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:50:19,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-09 10:50:19,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-09 10:50:19,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:19,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999449686] [2021-11-09 10:50:19,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:19,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414908155] [2021-11-09 10:50:19,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414908155] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:19,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:19,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-11-09 10:50:19,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639139166] [2021-11-09 10:50:19,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-09 10:50:19,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:19,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 10:50:19,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-09 10:50:19,450 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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) [2021-11-09 10:50:19,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:19,570 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2021-11-09 10:50:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-09 10:50:19,571 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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 [2021-11-09 10:50:19,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:19,572 INFO L225 Difference]: With dead ends: 76 [2021-11-09 10:50:19,572 INFO L226 Difference]: Without dead ends: 56 [2021-11-09 10:50:19,572 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-11-09 10:50:19,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-09 10:50:19,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 44. [2021-11-09 10:50:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 43 states have internal predecessors, (47), 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) [2021-11-09 10:50:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2021-11-09 10:50:19,578 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 24 [2021-11-09 10:50:19,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:19,578 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2021-11-09 10:50:19,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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) [2021-11-09 10:50:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2021-11-09 10:50:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-09 10:50:19,579 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:19,579 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:19,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:19,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:19,801 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:19,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:19,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1049585326, now seen corresponding path program 7 times [2021-11-09 10:50:19,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:19,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370712132] [2021-11-09 10:50:19,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:19,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:19,858 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:19,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1783102667] [2021-11-09 10:50:19,859 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-09 10:50:19,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:19,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:19,860 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:19,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-09 10:50:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:50:20,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-09 10:50:20,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:20,521 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-09 10:50:20,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-09 10:50:20,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-09 10:50:20,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:20,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,622 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-09 10:50:20,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 186 treesize of output 304 [2021-11-09 10:50:20,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:20,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 61 [2021-11-09 10:50:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 79 [2021-11-09 10:50:20,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,771 INFO L354 Elim1Store]: treesize reduction 17, result has 15.0 percent of original size [2021-11-09 10:50:20,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 138 treesize of output 68 [2021-11-09 10:50:20,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,897 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:50:20,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 53 treesize of output 46 [2021-11-09 10:50:20,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,448 INFO L354 Elim1Store]: treesize reduction 1177, result has 19.5 percent of original size [2021-11-09 10:50:21,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 220 treesize of output 418 [2021-11-09 10:50:21,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 80 [2021-11-09 10:50:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,692 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-09 10:50:21,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 80 [2021-11-09 10:50:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,941 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-09 10:50:21,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 76 [2021-11-09 10:50:22,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,069 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-09 10:50:22,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 132 treesize of output 80 [2021-11-09 10:50:22,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:22,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 194 [2021-11-09 10:50:22,547 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:22,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 194 [2021-11-09 10:50:22,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 133 [2021-11-09 10:50:22,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:22,926 INFO L354 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-11-09 10:50:22,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 314 treesize of output 203 [2021-11-09 10:50:23,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:23,593 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:25,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,182 INFO L354 Elim1Store]: treesize reduction 290, result has 0.3 percent of original size [2021-11-09 10:50:25,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 225 treesize of output 116 [2021-11-09 10:50:25,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 59 [2021-11-09 10:50:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,344 INFO L354 Elim1Store]: treesize reduction 290, result has 0.3 percent of original size [2021-11-09 10:50:25,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 226 treesize of output 131 [2021-11-09 10:50:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,120 INFO L354 Elim1Store]: treesize reduction 86, result has 18.1 percent of original size [2021-11-09 10:50:26,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 38 case distinctions, treesize of input 317 treesize of output 567 [2021-11-09 10:50:26,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 14 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 149 [2021-11-09 10:50:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,351 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-09 10:50:26,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 339 treesize of output 228 [2021-11-09 10:50:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,456 INFO L354 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2021-11-09 10:50:26,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 356 treesize of output 204 [2021-11-09 10:50:26,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:26,881 INFO L354 Elim1Store]: treesize reduction 94, result has 16.8 percent of original size [2021-11-09 10:50:26,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 47 case distinctions, treesize of input 332 treesize of output 604 [2021-11-09 10:50:27,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 17 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 165 [2021-11-09 10:50:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,272 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-09 10:50:27,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 12 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 424 treesize of output 252 [2021-11-09 10:50:27,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,383 INFO L354 Elim1Store]: treesize reduction 33, result has 8.3 percent of original size [2021-11-09 10:50:27,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 378 treesize of output 239 [2021-11-09 10:50:27,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:27,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,710 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-09 10:50:27,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 143 treesize of output 108 [2021-11-09 10:50:28,328 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-11-09 10:50:28,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 213 treesize of output 89 [2021-11-09 10:50:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:28,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:28,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370712132] [2021-11-09 10:50:28,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:28,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783102667] [2021-11-09 10:50:28,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783102667] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:28,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:28,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-09 10:50:28,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175518203] [2021-11-09 10:50:28,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-09 10:50:28,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:28,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-09 10:50:28,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-09 10:50:28,379 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-11-09 10:50:29,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:29,998 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2021-11-09 10:50:29,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-09 10:50:29,999 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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 [2021-11-09 10:50:29,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:29,999 INFO L225 Difference]: With dead ends: 79 [2021-11-09 10:50:29,999 INFO L226 Difference]: Without dead ends: 77 [2021-11-09 10:50:30,000 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=117, Invalid=585, Unknown=0, NotChecked=0, Total=702 [2021-11-09 10:50:30,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-09 10:50:30,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 55. [2021-11-09 10:50:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 54 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) [2021-11-09 10:50:30,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2021-11-09 10:50:30,007 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 24 [2021-11-09 10:50:30,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:30,007 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2021-11-09 10:50:30,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-11-09 10:50:30,007 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2021-11-09 10:50:30,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-09 10:50:30,008 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:30,008 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:30,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:30,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-09 10:50:30,213 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:30,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1983767408, now seen corresponding path program 8 times [2021-11-09 10:50:30,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:30,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056883991] [2021-11-09 10:50:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:30,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:30,238 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:30,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178767790] [2021-11-09 10:50:30,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 10:50:30,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:30,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:30,240 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:30,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-09 10:50:30,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 10:50:30,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:50:30,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 10:50:30,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:30,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:30,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056883991] [2021-11-09 10:50:30,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:30,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178767790] [2021-11-09 10:50:30,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178767790] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:30,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:30,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-11-09 10:50:30,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418458860] [2021-11-09 10:50:30,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 10:50:30,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:30,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 10:50:30,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-09 10:50:30,660 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) [2021-11-09 10:50:30,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:30,836 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2021-11-09 10:50:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-09 10:50:30,837 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) Word has length 26 [2021-11-09 10:50:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:30,838 INFO L225 Difference]: With dead ends: 114 [2021-11-09 10:50:30,838 INFO L226 Difference]: Without dead ends: 105 [2021-11-09 10:50:30,839 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2021-11-09 10:50:30,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-09 10:50:30,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 55. [2021-11-09 10:50:30,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 54 states have internal predecessors, (59), 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) [2021-11-09 10:50:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2021-11-09 10:50:30,847 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 26 [2021-11-09 10:50:30,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:30,847 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2021-11-09 10:50:30,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) [2021-11-09 10:50:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2021-11-09 10:50:30,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-09 10:50:30,849 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:30,849 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:30,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-09 10:50:31,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-09 10:50:31,057 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:31,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2132742960, now seen corresponding path program 9 times [2021-11-09 10:50:31,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:31,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60180042] [2021-11-09 10:50:31,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:31,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:31,080 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:31,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914378004] [2021-11-09 10:50:31,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-09 10:50:31,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:31,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:31,082 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:31,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-09 10:50:31,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-09 10:50:31,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:50:31,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 10:50:31,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:31,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:31,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60180042] [2021-11-09 10:50:31,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:31,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914378004] [2021-11-09 10:50:31,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914378004] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:31,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:31,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-11-09 10:50:31,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57098344] [2021-11-09 10:50:31,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 10:50:31,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:31,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 10:50:31,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-09 10:50:31,779 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) [2021-11-09 10:50:32,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:32,017 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2021-11-09 10:50:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-09 10:50:32,018 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) Word has length 26 [2021-11-09 10:50:32,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:32,019 INFO L225 Difference]: With dead ends: 95 [2021-11-09 10:50:32,019 INFO L226 Difference]: Without dead ends: 88 [2021-11-09 10:50:32,019 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-11-09 10:50:32,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-09 10:50:32,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 57. [2021-11-09 10:50:32,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 56 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) [2021-11-09 10:50:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2021-11-09 10:50:32,027 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 26 [2021-11-09 10:50:32,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:32,027 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2021-11-09 10:50:32,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) [2021-11-09 10:50:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2021-11-09 10:50:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-09 10:50:32,028 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:32,029 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:32,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:32,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-09 10:50:32,246 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:32,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:32,247 INFO L85 PathProgramCache]: Analyzing trace with hash 48972360, now seen corresponding path program 2 times [2021-11-09 10:50:32,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:32,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647896523] [2021-11-09 10:50:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:32,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:32,263 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:32,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604396694] [2021-11-09 10:50:32,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 10:50:32,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:32,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:32,265 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:32,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-09 10:50:32,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 10:50:32,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:50:32,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-09 10:50:32,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:32,950 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-09 10:50:32,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-09 10:50:32,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-09 10:50:33,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,059 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-09 10:50:33,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 186 treesize of output 304 [2021-11-09 10:50:33,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 64 [2021-11-09 10:50:33,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,175 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:50:33,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 121 treesize of output 69 [2021-11-09 10:50:33,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,215 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:50:33,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 110 treesize of output 50 [2021-11-09 10:50:33,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,340 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:50:33,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 223 treesize of output 341 [2021-11-09 10:50:33,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 68 [2021-11-09 10:50:33,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 79 [2021-11-09 10:50:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,459 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:50:33,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 74 [2021-11-09 10:50:33,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,624 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:50:33,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 60 [2021-11-09 10:50:33,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,918 INFO L354 Elim1Store]: treesize reduction 86, result has 18.1 percent of original size [2021-11-09 10:50:33,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 38 case distinctions, treesize of input 287 treesize of output 551 [2021-11-09 10:50:33,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,375 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-09 10:50:34,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 336 treesize of output 214 [2021-11-09 10:50:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 400 treesize of output 235 [2021-11-09 10:50:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,508 INFO L354 Elim1Store]: treesize reduction 25, result has 10.7 percent of original size [2021-11-09 10:50:34,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 287 treesize of output 150 [2021-11-09 10:50:34,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,744 INFO L354 Elim1Store]: treesize reduction 94, result has 16.8 percent of original size [2021-11-09 10:50:34,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 47 case distinctions, treesize of input 302 treesize of output 592 [2021-11-09 10:50:34,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 17 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 184 [2021-11-09 10:50:34,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 17 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 405 treesize of output 257 [2021-11-09 10:50:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:35,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:35,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,129 INFO L354 Elim1Store]: treesize reduction 33, result has 8.3 percent of original size [2021-11-09 10:50:35,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 306 treesize of output 174 [2021-11-09 10:50:35,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:35,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:35,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:35,506 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-09 10:50:35,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 164 treesize of output 107 [2021-11-09 10:50:36,074 INFO L354 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2021-11-09 10:50:36,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 54 [2021-11-09 10:50:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:50:36,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:50:36,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647896523] [2021-11-09 10:50:36,110 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 10:50:36,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604396694] [2021-11-09 10:50:36,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604396694] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:50:36,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:50:36,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-11-09 10:50:36,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134919233] [2021-11-09 10:50:36,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-09 10:50:36,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:50:36,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-09 10:50:36,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-11-09 10:50:36,112 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:37,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:50:37,593 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2021-11-09 10:50:37,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-09 10:50:37,597 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-09 10:50:37,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:50:37,599 INFO L225 Difference]: With dead ends: 82 [2021-11-09 10:50:37,599 INFO L226 Difference]: Without dead ends: 80 [2021-11-09 10:50:37,600 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2021-11-09 10:50:37,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-09 10:50:37,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 61. [2021-11-09 10:50:37,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 60 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2021-11-09 10:50:37,609 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 28 [2021-11-09 10:50:37,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:50:37,609 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2021-11-09 10:50:37,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2021-11-09 10:50:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-09 10:50:37,611 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:50:37,611 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:50:37,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-09 10:50:37,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-09 10:50:37,817 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:50:37,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:37,818 INFO L85 PathProgramCache]: Analyzing trace with hash 778799246, now seen corresponding path program 10 times [2021-11-09 10:50:37,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:37,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174520740] [2021-11-09 10:50:37,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:37,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:37,846 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 10:50:37,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1946645307] [2021-11-09 10:50:37,846 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-09 10:50:37,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:50:37,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:37,847 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:50:37,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e4e0e6-27d6-4032-bb18-e1d0a67b32ae/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-09 10:50:39,460 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-09 10:50:39,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:50:39,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-09 10:50:39,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:50:39,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-09 10:50:39,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-09 10:50:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:39,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,586 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-09 10:50:39,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 186 treesize of output 304 [2021-11-09 10:50:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 59 [2021-11-09 10:50:39,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 60 [2021-11-09 10:50:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:39,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,738 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:50:39,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 104 treesize of output 60 [2021-11-09 10:50:39,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,838 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:50:39,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-09 10:50:39,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,431 INFO L354 Elim1Store]: treesize reduction 1177, result has 19.5 percent of original size [2021-11-09 10:50:40,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 220 treesize of output 418 [2021-11-09 10:50:40,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:40,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 70 [2021-11-09 10:50:40,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,833 INFO L354 Elim1Store]: treesize reduction 41, result has 22.6 percent of original size [2021-11-09 10:50:40,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 91 [2021-11-09 10:50:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:40,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 79 [2021-11-09 10:50:41,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 70 [2021-11-09 10:50:41,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 118 [2021-11-09 10:50:41,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,478 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-09 10:50:41,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 190 treesize of output 101 [2021-11-09 10:50:41,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:41,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 101 [2021-11-09 10:50:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,227 INFO L354 Elim1Store]: treesize reduction 296, result has 0.3 percent of original size [2021-11-09 10:50:43,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 200 treesize of output 129 [2021-11-09 10:50:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,308 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-09 10:50:43,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 136 treesize of output 84 [2021-11-09 10:50:43,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,356 INFO L354 Elim1Store]: treesize reduction 296, result has 0.3 percent of original size [2021-11-09 10:50:43,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 294 treesize of output 208 [2021-11-09 10:50:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,708 INFO L354 Elim1Store]: treesize reduction 290, result has 0.3 percent of original size [2021-11-09 10:50:43,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 233 treesize of output 150 [2021-11-09 10:50:43,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 70 [2021-11-09 10:50:43,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,789 INFO L354 Elim1Store]: treesize reduction 290, result has 0.3 percent of original size [2021-11-09 10:50:43,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 234 treesize of output 147 [2021-11-09 10:50:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,888 INFO L354 Elim1Store]: treesize reduction 1338, result has 20.5 percent of original size [2021-11-09 10:50:44,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 49 case distinctions, treesize of input 275 treesize of output 501 [2021-11-09 10:50:44,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,018 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:50:45,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 265 treesize of output 185 [2021-11-09 10:50:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 105 [2021-11-09 10:50:45,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 105 [2021-11-09 10:50:45,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,868 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-09 10:50:45,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 194 treesize of output 114 [2021-11-09 10:50:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,205 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-09 10:50:46,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 194 treesize of output 114 [2021-11-09 10:50:47,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,274 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-09 10:50:47,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 288 treesize of output 202 [2021-11-09 10:50:48,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:48,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 96 [2021-11-09 10:50:48,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:48,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 96 [2021-11-09 10:50:48,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,785 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-11-09 10:50:49,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 797 treesize of output 675 [2021-11-09 10:50:50,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:50,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,539 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-09 10:50:50,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 221 treesize of output 143 [2021-11-09 10:50:50,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:50,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 139 [2021-11-09 10:50:51,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:51,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 105 [2021-11-09 10:50:52,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:50:53,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-09 10:51:00,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:53,164 WARN L207 SmtUtils]: Spent 52.37 s on a formula simplification. DAG size of input: 625 DAG size of output: 313 [2021-11-09 10:51:53,166 INFO L354 Elim1Store]: treesize reduction 1844, result has 34.6 percent of original size [2021-11-09 10:51:53,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 10 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 1200 treesize of output 1886