./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ms5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0 --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 5d49931b392f3e5db08af1630b313adf7396c4587f1a053ae0de1991b384d39a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:35:40,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:35:40,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:35:40,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:35:40,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:35:40,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:35:40,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:35:40,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:35:40,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:35:40,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:35:40,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:35:40,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:35:40,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:35:40,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:35:40,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:35:40,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:35:40,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:35:40,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:35:40,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:35:40,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:35:40,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:35:40,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:35:40,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:35:40,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:35:40,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:35:40,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:35:40,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:35:40,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:35:40,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:35:40,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:35:40,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:35:40,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:35:40,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:35:40,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:35:40,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:35:40,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:35:40,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:35:40,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:35:40,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:35:40,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:35:40,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:35:40,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 14:35:40,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:35:40,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:35:40,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:35:40,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:35:40,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:35:40,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:35:40,240 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:35:40,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:35:40,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:35:40,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:35:40,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:35:40,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:35:40,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:35:40,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:35:40,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:35:40,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:35:40,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:35:40,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:35:40,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:35:40,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:35:40,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:35:40,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:35:40,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:35:40,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:35:40,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:35:40,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:35:40,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:35:40,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:35:40,245 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:35:40,245 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:35:40,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:35:40,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:35:40,246 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_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d49931b392f3e5db08af1630b313adf7396c4587f1a053ae0de1991b384d39a [2021-11-22 14:35:40,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:35:40,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:35:40,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:35:40,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:35:40,614 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:35:40,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/array-fpi/ms5.c [2021-11-22 14:35:40,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/data/c3dc9183b/432c576b675d4f48a88cb32ecd3a51c1/FLAG6fdfbd565 [2021-11-22 14:35:41,234 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:35:41,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/sv-benchmarks/c/array-fpi/ms5.c [2021-11-22 14:35:41,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/data/c3dc9183b/432c576b675d4f48a88cb32ecd3a51c1/FLAG6fdfbd565 [2021-11-22 14:35:41,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/data/c3dc9183b/432c576b675d4f48a88cb32ecd3a51c1 [2021-11-22 14:35:41,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:35:41,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:35:41,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:35:41,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:35:41,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:35:41,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:41,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527e6c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41, skipping insertion in model container [2021-11-22 14:35:41,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:41,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:35:41,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:35:41,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/sv-benchmarks/c/array-fpi/ms5.c[586,599] [2021-11-22 14:35:41,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:35:41,920 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:35:41,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/sv-benchmarks/c/array-fpi/ms5.c[586,599] [2021-11-22 14:35:41,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:35:41,967 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:35:41,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41 WrapperNode [2021-11-22 14:35:41,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:35:41,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:35:41,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:35:41,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:35:41,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:41,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:42,010 INFO L137 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2021-11-22 14:35:42,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:35:42,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:35:42,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:35:42,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:35:42,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:42,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:42,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:42,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:42,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:42,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:42,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:42,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:35:42,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:35:42,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:35:42,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:35:42,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (1/1) ... [2021-11-22 14:35:42,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:35:42,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:35:42,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:35:42,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:35:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:35:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:35:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:35:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:35:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 14:35:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:35:42,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:35:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:35:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:35:42,240 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:35:42,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:35:42,387 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:35:42,394 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:35:42,395 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 14:35:42,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:42 BoogieIcfgContainer [2021-11-22 14:35:42,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:35:42,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:35:42,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:35:42,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:35:42,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:35:41" (1/3) ... [2021-11-22 14:35:42,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5149d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:42, skipping insertion in model container [2021-11-22 14:35:42,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:41" (2/3) ... [2021-11-22 14:35:42,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5149d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:42, skipping insertion in model container [2021-11-22 14:35:42,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:42" (3/3) ... [2021-11-22 14:35:42,421 INFO L111 eAbstractionObserver]: Analyzing ICFG ms5.c [2021-11-22 14:35:42,428 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:35:42,428 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 14:35:42,492 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:35:42,510 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 [2021-11-22 14:35:42,510 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 14:35:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 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) [2021-11-22 14:35:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 14:35:42,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:42,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:42,577 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:35:42,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:42,585 INFO L85 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times [2021-11-22 14:35:42,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:42,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333896223] [2021-11-22 14:35:42,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:42,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:42,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:42,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333896223] [2021-11-22 14:35:42,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333896223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:42,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:42,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:35:42,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468820664] [2021-11-22 14:35:42,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:42,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 14:35:42,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:42,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 14:35:42,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:35:42,950 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:42,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:42,969 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2021-11-22 14:35:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 14:35:42,971 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2021-11-22 14:35:42,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:42,981 INFO L225 Difference]: With dead ends: 34 [2021-11-22 14:35:42,982 INFO L226 Difference]: Without dead ends: 15 [2021-11-22 14:35:42,986 INFO L932 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 [2021-11-22 14:35:42,992 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:42,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:35:43,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-22 14:35:43,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-22 14:35:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-11-22 14:35:43,040 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2021-11-22 14:35:43,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:43,041 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-11-22 14:35:43,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:43,042 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-22 14:35:43,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 14:35:43,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:43,043 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:43,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:35:43,045 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:35:43,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:43,050 INFO L85 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times [2021-11-22 14:35:43,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:43,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974091615] [2021-11-22 14:35:43,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:43,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:43,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:43,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974091615] [2021-11-22 14:35:43,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974091615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:43,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:43,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:35:43,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783549060] [2021-11-22 14:35:43,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:43,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:35:43,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:43,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:35:43,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:35:43,218 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:43,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:43,288 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2021-11-22 14:35:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:35:43,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2021-11-22 14:35:43,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:43,290 INFO L225 Difference]: With dead ends: 28 [2021-11-22 14:35:43,290 INFO L226 Difference]: Without dead ends: 20 [2021-11-22 14:35:43,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:35:43,293 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 19 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:43,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 11 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:35:43,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-22 14:35:43,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-11-22 14:35:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 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) [2021-11-22 14:35:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-11-22 14:35:43,301 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2021-11-22 14:35:43,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:43,302 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-11-22 14:35:43,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-22 14:35:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 14:35:43,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:43,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:43,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:35:43,305 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:35:43,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:43,306 INFO L85 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times [2021-11-22 14:35:43,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:43,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574778310] [2021-11-22 14:35:43,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:43,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 14:35:43,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:43,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574778310] [2021-11-22 14:35:43,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574778310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:43,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:43,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:35:43,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435170725] [2021-11-22 14:35:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:43,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 14:35:43,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:43,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:35:43,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:35:43,412 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:43,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:43,498 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2021-11-22 14:35:43,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:35:43,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-22 14:35:43,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:43,499 INFO L225 Difference]: With dead ends: 25 [2021-11-22 14:35:43,500 INFO L226 Difference]: Without dead ends: 21 [2021-11-22 14:35:43,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:35:43,502 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 11 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:43,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 25 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:35:43,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-22 14:35:43,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-11-22 14:35:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 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) [2021-11-22 14:35:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-22 14:35:43,508 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 16 [2021-11-22 14:35:43,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:43,509 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-22 14:35:43,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-22 14:35:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 14:35:43,510 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:43,510 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:43,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 14:35:43,511 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:35:43,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:43,512 INFO L85 PathProgramCache]: Analyzing trace with hash -422196611, now seen corresponding path program 1 times [2021-11-22 14:35:43,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:43,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553850840] [2021-11-22 14:35:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:43,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:43,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:43,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:43,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553850840] [2021-11-22 14:35:43,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553850840] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:35:43,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299736055] [2021-11-22 14:35:43,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:43,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:35:43,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:35:43,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:35:43,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 14:35:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:43,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 14:35:43,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:35:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:43,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:35:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:44,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299736055] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 14:35:44,069 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 14:35:44,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-22 14:35:44,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294542395] [2021-11-22 14:35:44,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 14:35:44,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 14:35:44,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:44,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 14:35:44,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-22 14:35:44,072 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:44,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:44,221 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2021-11-22 14:35:44,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 14:35:44,222 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-22 14:35:44,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:44,223 INFO L225 Difference]: With dead ends: 39 [2021-11-22 14:35:44,224 INFO L226 Difference]: Without dead ends: 25 [2021-11-22 14:35:44,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-11-22 14:35:44,227 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 24 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:44,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 22 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:35:44,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-22 14:35:44,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2021-11-22 14:35:44,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 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) [2021-11-22 14:35:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-11-22 14:35:44,235 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 19 [2021-11-22 14:35:44,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:44,236 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-11-22 14:35:44,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-11-22 14:35:44,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 14:35:44,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:44,238 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:44,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 14:35:44,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:35:44,464 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:35:44,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:44,465 INFO L85 PathProgramCache]: Analyzing trace with hash 692240447, now seen corresponding path program 2 times [2021-11-22 14:35:44,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:44,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845128306] [2021-11-22 14:35:44,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:44,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:45,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:45,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845128306] [2021-11-22 14:35:45,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845128306] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:35:45,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246860083] [2021-11-22 14:35:45,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 14:35:45,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:35:45,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:35:45,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:35:45,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 14:35:45,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 14:35:45,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 14:35:45,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 14:35:45,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:35:45,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 14:35:45,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:45,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-22 14:35:45,707 INFO L354 Elim1Store]: treesize reduction 114, result has 15.6 percent of original size [2021-11-22 14:35:45,708 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 5 case distinctions, treesize of input 47 treesize of output 41 [2021-11-22 14:35:46,196 INFO L354 Elim1Store]: treesize reduction 42, result has 6.7 percent of original size [2021-11-22 14:35:46,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 55 [2021-11-22 14:35:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:46,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:35:48,985 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:35:48,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 92 [2021-11-22 14:35:49,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-11-22 14:35:49,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2021-11-22 14:35:49,174 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:35:49,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 87 [2021-11-22 14:35:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:49,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246860083] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 14:35:49,694 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 14:35:49,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 33 [2021-11-22 14:35:49,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654277427] [2021-11-22 14:35:49,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 14:35:49,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-22 14:35:49,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:49,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-22 14:35:49,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=890, Unknown=1, NotChecked=0, Total=1056 [2021-11-22 14:35:49,700 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 33 states, 33 states have (on average 1.6363636363636365) internal successors, (54), 33 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:50,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:50,630 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2021-11-22 14:35:50,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 14:35:50,631 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.6363636363636365) internal successors, (54), 33 states have internal predecessors, (54), 0 states have call successors, (0), 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 21 [2021-11-22 14:35:50,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:50,632 INFO L225 Difference]: With dead ends: 40 [2021-11-22 14:35:50,632 INFO L226 Difference]: Without dead ends: 29 [2021-11-22 14:35:50,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=322, Invalid=1569, Unknown=1, NotChecked=0, Total=1892 [2021-11-22 14:35:50,635 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 22 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:50,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 74 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 199 Invalid, 0 Unknown, 77 Unchecked, 0.3s Time] [2021-11-22 14:35:50,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-22 14:35:50,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2021-11-22 14:35:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.125) internal successors, (27), 24 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) [2021-11-22 14:35:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2021-11-22 14:35:50,653 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 21 [2021-11-22 14:35:50,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:50,654 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2021-11-22 14:35:50,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.6363636363636365) internal successors, (54), 33 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:50,655 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2021-11-22 14:35:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 14:35:50,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:50,656 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:50,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:35:50,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:35:50,873 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:35:50,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:50,874 INFO L85 PathProgramCache]: Analyzing trace with hash -301520475, now seen corresponding path program 3 times [2021-11-22 14:35:50,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:50,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284600966] [2021-11-22 14:35:50,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:50,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:50,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:50,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284600966] [2021-11-22 14:35:50,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284600966] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:35:50,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538456839] [2021-11-22 14:35:50,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 14:35:50,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:35:50,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:35:50,994 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:35:51,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 14:35:51,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-22 14:35:51,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 14:35:51,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 14:35:51,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:35:51,183 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:51,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:35:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:51,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538456839] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 14:35:51,262 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 14:35:51,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-22 14:35:51,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36529864] [2021-11-22 14:35:51,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 14:35:51,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 14:35:51,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:51,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 14:35:51,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-22 14:35:51,265 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:51,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:51,389 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2021-11-22 14:35:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 14:35:51,390 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 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 [2021-11-22 14:35:51,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:51,391 INFO L225 Difference]: With dead ends: 56 [2021-11-22 14:35:51,391 INFO L226 Difference]: Without dead ends: 39 [2021-11-22 14:35:51,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-22 14:35:51,393 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 38 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:51,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 35 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:35:51,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-22 14:35:51,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 27. [2021-11-22 14:35:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 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) [2021-11-22 14:35:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2021-11-22 14:35:51,399 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 24 [2021-11-22 14:35:51,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:51,400 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2021-11-22 14:35:51,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:51,400 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2021-11-22 14:35:51,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 14:35:51,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:51,401 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:51,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:35:51,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:35:51,622 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:35:51,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:51,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1384678109, now seen corresponding path program 4 times [2021-11-22 14:35:51,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:51,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359575227] [2021-11-22 14:35:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:51,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:52,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:52,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359575227] [2021-11-22 14:35:52,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359575227] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:35:52,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375640415] [2021-11-22 14:35:52,460 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-22 14:35:52,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:35:52,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:35:52,462 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:35:52,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 14:35:52,519 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-22 14:35:52,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 14:35:52,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-22 14:35:52,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:35:52,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-22 14:35:52,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:52,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 14:35:52,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:52,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-22 14:35:53,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:35:53,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:53,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:53,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2021-11-22 14:35:53,353 INFO L354 Elim1Store]: treesize reduction 76, result has 16.5 percent of original size [2021-11-22 14:35:53,353 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 5 case distinctions, treesize of input 52 treesize of output 38 [2021-11-22 14:35:53,513 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-22 14:35:53,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 43 [2021-11-22 14:35:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:53,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:35:55,341 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse2 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse2 4)))) (+ .cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |ULTIMATE.start_main_~#sum~0#1.offset| .cse0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse2))))) (* 4 c_~N~0))) is different from false [2021-11-22 14:35:56,450 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (+ .cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |ULTIMATE.start_main_~#sum~0#1.offset| .cse0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))))) (* 4 c_~N~0))) is different from false [2021-11-22 14:36:08,964 WARN L838 $PredicateComparison]: unable to prove that (forall ((~N~0 Int)) (let ((.cse4 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse3 (= (mod .cse4 5) 0))) (and (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4) 4) (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5))))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse2 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (+ .cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse2 |ULTIMATE.start_main_~#sum~0#1.offset| .cse0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))))) (* 4 ~N~0))) (and (not .cse3) (< .cse4 0))) (or (<= 0 .cse4) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4) 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5)))))) (let ((.cse6 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse7 (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse6 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (+ (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse6 |ULTIMATE.start_main_~#sum~0#1.offset| .cse7)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) .cse7)))) (* 4 ~N~0))) .cse3))) (<= ~N~0 .cse4)))) is different from false [2021-11-22 14:36:09,055 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:36:09,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 408 treesize of output 408 [2021-11-22 14:36:09,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-11-22 14:36:09,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2021-11-22 14:36:09,380 INFO L354 Elim1Store]: treesize reduction 25, result has 39.0 percent of original size [2021-11-22 14:36:09,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2227 treesize of output 2034 [2021-11-22 14:36:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2021-11-22 14:36:14,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375640415] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 14:36:14,577 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 14:36:14,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 39 [2021-11-22 14:36:14,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294504142] [2021-11-22 14:36:14,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 14:36:14,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-22 14:36:14,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:36:14,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-22 14:36:14,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1077, Unknown=7, NotChecked=210, Total=1482 [2021-11-22 14:36:14,581 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:15,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:36:15,493 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2021-11-22 14:36:15,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 14:36:15,494 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-22 14:36:15,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:36:15,494 INFO L225 Difference]: With dead ends: 48 [2021-11-22 14:36:15,494 INFO L226 Difference]: Without dead ends: 37 [2021-11-22 14:36:15,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=273, Invalid=1624, Unknown=7, NotChecked=258, Total=2162 [2021-11-22 14:36:15,497 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 109 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:36:15,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 81 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 361 Invalid, 0 Unknown, 109 Unchecked, 0.3s Time] [2021-11-22 14:36:15,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-22 14:36:15,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2021-11-22 14:36:15,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.103448275862069) internal successors, (32), 29 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:15,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2021-11-22 14:36:15,506 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 26 [2021-11-22 14:36:15,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:36:15,506 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2021-11-22 14:36:15,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-11-22 14:36:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 14:36:15,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:36:15,508 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:36:15,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:36:15,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:36:15,731 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:36:15,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:36:15,732 INFO L85 PathProgramCache]: Analyzing trace with hash -483356095, now seen corresponding path program 5 times [2021-11-22 14:36:15,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:36:15,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557610953] [2021-11-22 14:36:15,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:36:15,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:36:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:36:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:15,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:36:15,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557610953] [2021-11-22 14:36:15,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557610953] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:36:15,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048130499] [2021-11-22 14:36:15,868 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-22 14:36:15,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:36:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:36:15,869 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:36:15,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 14:36:15,941 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-11-22 14:36:15,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 14:36:15,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 14:36:15,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:36:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:16,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:36:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:16,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048130499] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 14:36:16,177 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 14:36:16,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-22 14:36:16,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235321103] [2021-11-22 14:36:16,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 14:36:16,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-22 14:36:16,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:36:16,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-22 14:36:16,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-11-22 14:36:16,180 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:16,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:36:16,291 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2021-11-22 14:36:16,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 14:36:16,292 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 0 states have call successors, (0), 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 29 [2021-11-22 14:36:16,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:36:16,303 INFO L225 Difference]: With dead ends: 61 [2021-11-22 14:36:16,303 INFO L226 Difference]: Without dead ends: 35 [2021-11-22 14:36:16,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2021-11-22 14:36:16,305 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 55 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:36:16,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 21 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:36:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-22 14:36:16,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2021-11-22 14:36:16,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.096774193548387) internal successors, (34), 31 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2021-11-22 14:36:16,312 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 29 [2021-11-22 14:36:16,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:36:16,313 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2021-11-22 14:36:16,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-11-22 14:36:16,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 14:36:16,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:36:16,314 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:36:16,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 14:36:16,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-22 14:36:16,528 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:36:16,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:36:16,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1023492733, now seen corresponding path program 6 times [2021-11-22 14:36:16,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:36:16,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885292258] [2021-11-22 14:36:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:36:16,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:36:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:36:17,556 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:17,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:36:17,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885292258] [2021-11-22 14:36:17,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885292258] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:36:17,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538732123] [2021-11-22 14:36:17,557 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-22 14:36:17,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:36:17,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:36:17,558 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:36:17,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 14:36:17,606 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-11-22 14:36:17,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 14:36:17,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 14:36:17,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:36:17,625 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 [2021-11-22 14:36:17,674 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 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-22 14:36:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:17,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2021-11-22 14:36:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:17,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:17,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:17,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 57 [2021-11-22 14:36:19,551 INFO L354 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2021-11-22 14:36:19,552 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 164 treesize of output 169 [2021-11-22 14:36:20,680 INFO L354 Elim1Store]: treesize reduction 132, result has 0.8 percent of original size [2021-11-22 14:36:20,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 178 treesize of output 178 [2021-11-22 14:36:21,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:21,602 INFO L354 Elim1Store]: treesize reduction 182, result has 0.5 percent of original size [2021-11-22 14:36:21,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 160 treesize of output 163 [2021-11-22 14:36:23,019 INFO L354 Elim1Store]: treesize reduction 603, result has 8.2 percent of original size [2021-11-22 14:36:23,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 179 treesize of output 167 [2021-11-22 14:36:24,042 INFO L354 Elim1Store]: treesize reduction 86, result has 3.4 percent of original size [2021-11-22 14:36:24,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 355 treesize of output 196 [2021-11-22 14:36:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:24,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:36:48,344 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:36:48,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 582 treesize of output 582 [2021-11-22 14:36:48,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-11-22 14:36:48,612 INFO L354 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2021-11-22 14:36:48,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 456424 treesize of output 414489 [2021-11-22 14:36:52,572 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-22 14:36:52,572 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-22 14:36:52,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2021-11-22 14:36:52,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418332888] [2021-11-22 14:36:52,573 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-22 14:36:52,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-22 14:36:52,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:36:52,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-22 14:36:52,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=2397, Unknown=10, NotChecked=0, Total=2862 [2021-11-22 14:36:52,576 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:53,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:36:53,948 INFO L93 Difference]: Finished difference Result 66 states and 73 transitions. [2021-11-22 14:36:53,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-22 14:36:53,948 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-22 14:36:53,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:36:53,949 INFO L225 Difference]: With dead ends: 66 [2021-11-22 14:36:53,949 INFO L226 Difference]: Without dead ends: 34 [2021-11-22 14:36:53,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1259 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=737, Invalid=3809, Unknown=10, NotChecked=0, Total=4556 [2021-11-22 14:36:53,954 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 26 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 14:36:53,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 71 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 14:36:53,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-22 14:36:53,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-22 14:36:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 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) [2021-11-22 14:36:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2021-11-22 14:36:53,960 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 31 [2021-11-22 14:36:53,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:36:53,960 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2021-11-22 14:36:53,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-11-22 14:36:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 14:36:53,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:36:53,962 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:36:53,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 14:36:54,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:36:54,180 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:36:54,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:36:54,181 INFO L85 PathProgramCache]: Analyzing trace with hash -403759035, now seen corresponding path program 7 times [2021-11-22 14:36:54,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:36:54,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426711130] [2021-11-22 14:36:54,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:36:54,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:36:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:36:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:54,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:36:54,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426711130] [2021-11-22 14:36:54,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426711130] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:36:54,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907905585] [2021-11-22 14:36:54,310 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-22 14:36:54,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:36:54,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:36:54,315 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:36:54,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 14:36:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:36:54,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 14:36:54,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:36:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:54,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:36:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:54,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907905585] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 14:36:54,603 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 14:36:54,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2021-11-22 14:36:54,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078178834] [2021-11-22 14:36:54,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 14:36:54,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-22 14:36:54,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:36:54,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-22 14:36:54,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2021-11-22 14:36:54,605 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 20 states, 20 states have (on average 2.7) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:54,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:36:54,837 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2021-11-22 14:36:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 14:36:54,837 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.7) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-22 14:36:54,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:36:54,840 INFO L225 Difference]: With dead ends: 54 [2021-11-22 14:36:54,841 INFO L226 Difference]: Without dead ends: 39 [2021-11-22 14:36:54,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2021-11-22 14:36:54,843 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 68 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:36:54,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 35 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:36:54,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-22 14:36:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2021-11-22 14:36:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2021-11-22 14:36:54,862 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 33 [2021-11-22 14:36:54,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:36:54,862 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2021-11-22 14:36:54,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.7) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:54,863 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2021-11-22 14:36:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 14:36:54,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:36:54,873 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:36:54,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 14:36:55,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-22 14:36:55,074 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:36:55,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:36:55,074 INFO L85 PathProgramCache]: Analyzing trace with hash -880704545, now seen corresponding path program 8 times [2021-11-22 14:36:55,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:36:55,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083349551] [2021-11-22 14:36:55,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:36:55,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:36:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:36:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:56,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:36:56,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083349551] [2021-11-22 14:36:56,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083349551] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:36:56,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182158367] [2021-11-22 14:36:56,325 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 14:36:56,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:36:56,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:36:56,326 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:36:56,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5cdb3f-7cd6-4449-a4d8-f173da34a929/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 14:36:56,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 14:36:56,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 14:36:56,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-22 14:36:56,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:36:56,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-22 14:36:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-22 14:36:56,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-11-22 14:36:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:56,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-22 14:36:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2021-11-22 14:36:57,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:57,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 69 treesize of output 63 [2021-11-22 14:36:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:57,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 69 treesize of output 63 [2021-11-22 14:36:57,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:57,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:57,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 72 treesize of output 66 [2021-11-22 14:36:57,885 INFO L354 Elim1Store]: treesize reduction 152, result has 16.0 percent of original size [2021-11-22 14:36:57,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 68 treesize of output 60 [2021-11-22 14:36:58,059 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-22 14:36:58,060 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 10 case distinctions, treesize of input 90 treesize of output 54 [2021-11-22 14:36:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:58,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:37:00,994 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse4 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse4 4)))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |ULTIMATE.start_main_~#sum~0#1.offset| .cse1)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse4)))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse1 .cse2))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse4)))) (+ .cse0 .cse1 .cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse0 .cse1 .cse2))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16 .cse4))))))) (* 4 c_~N~0))) is different from false [2021-11-22 14:37:03,013 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse0 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse0 |ULTIMATE.start_main_~#sum~0#1.offset| .cse2)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse0 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse3))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse0 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse1 .cse2 .cse3))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse1 .cse2 .cse3))))) (* 4 c_~N~0))) is different from false [2021-11-22 14:37:05,096 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~i~0#1| 5) 0))) (and (or (and (< |c_ULTIMATE.start_main_~i~0#1| 0) (not .cse0)) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) (mod |c_ULTIMATE.start_main_~i~0#1| 5))))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse1 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| .cse1)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse5 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse1 .cse2))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse1 .cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse1 .cse2 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse5)))))) (* 4 c_~N~0)))) (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) (+ (- 5) (mod |c_ULTIMATE.start_main_~i~0#1| 5)))))) (let ((.cse10 (select .cse9 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse7 (select (select (store .cse9 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse10 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse8 (select (select (store .cse9 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse10 |ULTIMATE.start_main_~#sum~0#1.offset| .cse7)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse6 (select (select (store .cse9 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse10 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse7 .cse8))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse6 .cse7 .cse8 (select (select (store .cse9 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse10 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse6 .cse7 .cse8))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)))))))) (* 4 c_~N~0))) .cse0 (<= 0 |c_ULTIMATE.start_main_~i~0#1|)))) is different from false [2021-11-22 14:37:32,640 WARN L227 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 14:38:24,916 WARN L838 $PredicateComparison]: unable to prove that (forall ((~N~0 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse2 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse0 (= (mod .cse1 5) 0))) (and (or (and (not .cse0) (< .cse1 0)) (and (or (and (or (< .cse2 0) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse8 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse8) (+ (- 5) (mod |c_ULTIMATE.start_main_~i~0#1| 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse8 4) (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse8) (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5)))))) (let ((.cse7 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse4 (select (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse7 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse3 (select (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse7 |ULTIMATE.start_main_~#sum~0#1.offset| .cse4)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse5 (select (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse7 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse3 .cse4))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse3 .cse4 .cse5 (select (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse7 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse3 .cse4 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)))))))) (* 4 ~N~0)))) (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse14 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse14) (+ (- 5) (mod |c_ULTIMATE.start_main_~i~0#1| 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse14 4) (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse14) (+ (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5) (- 5))))))) (let ((.cse11 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse13 (select (select (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse11 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse12 (select (select (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse11 |ULTIMATE.start_main_~#sum~0#1.offset| .cse13)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse9 (select (select (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse11 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse12 .cse13))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse9 (select (select (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse11 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse9 .cse12 .cse13))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse12 .cse13)))))) (* 4 ~N~0))) (<= 0 .cse2))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|)) (or (< |c_ULTIMATE.start_main_~i~0#1| 0) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse20 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse20) (mod |c_ULTIMATE.start_main_~i~0#1| 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse20 4) (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse20) (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5)))))) (let ((.cse18 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse15 (select (select (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse18 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse19 (select (select (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse18 |ULTIMATE.start_main_~#sum~0#1.offset| .cse15)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse16 (select (select (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse18 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse15 .cse19))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse15 .cse16 (select (select (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse18 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse15 .cse16 .cse19))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse19)))))) (* 4 ~N~0)))))) (or (<= 0 .cse1) (let ((.cse21 (= (mod |c_ULTIMATE.start_main_~i~0#1| 5) 0))) (and (or (not .cse21) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse27 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse27) (mod |c_ULTIMATE.start_main_~i~0#1| 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse27 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse27) (+ (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5) (- 5))))))) (let ((.cse23 (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse24 (select (select (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse23 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse25 (select (select (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse23 |ULTIMATE.start_main_~#sum~0#1.offset| .cse24)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse26 (select (select (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse23 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse24 .cse25))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ (select (select (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse23 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse24 .cse25 .cse26))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse24 .cse25 .cse26)))))) (* 4 ~N~0)))) (or (let ((.cse28 (= (mod .cse2 5) 0))) (and (or (not .cse28) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse34 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse34) (+ (- 5) (mod |c_ULTIMATE.start_main_~i~0#1| 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse34 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse34) (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5)))))) (let ((.cse31 (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse33 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse32 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| .cse33)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse29 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse32 .cse33))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse29 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse29 .cse32 .cse33))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse32 .cse33)))))) (* 4 ~N~0)))) (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse40 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse40) (+ (- 5) (mod |c_ULTIMATE.start_main_~i~0#1| 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse40 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse40) (+ (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5) (- 5))))))) (let ((.cse37 (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse35 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| .cse38)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse39 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse35 .cse38))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse35 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse35 .cse38 .cse39))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse38 .cse39)))))) (* 4 ~N~0))) .cse28))) .cse21))) .cse0))) (<= ~N~0 .cse1)))) is different from false [2021-11-22 14:38:28,150 WARN L838 $PredicateComparison]: unable to prove that (forall ((~N~0 Int)) (let ((.cse0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (<= ~N~0 .cse0) (let ((.cse22 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse14 (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (.cse23 (= (mod .cse0 5) 0))) (and (or (let ((.cse15 (= (mod .cse22 5) 0))) (and (or (let ((.cse7 (= (mod .cse14 5) 0))) (and (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse6 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse6 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse6) (+ (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse6) (+ (- 5) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5))))))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse5 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| .cse5)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse1 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse1 .cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse1 .cse2 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse5)))))) (* 4 ~N~0))) .cse7) (or (not .cse7) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse13 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse13 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse13) (+ (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse13) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5)))))) (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse9 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |ULTIMATE.start_main_~#sum~0#1.offset| .cse9)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse8 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse9 .cse10))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse8 .cse9 .cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse8 .cse9 .cse10))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)))))))) (* 4 ~N~0)))))) .cse15) (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse21 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse21 4) (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse21) (+ (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse21) (+ (- 5) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5))))))) (let ((.cse19 (select .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse20 (select (select (store .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse17 (select (select (store .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |ULTIMATE.start_main_~#sum~0#1.offset| .cse20)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse16 (select (select (store .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse17 .cse20))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse16 .cse17 (select (select (store .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse16 .cse17 .cse20))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse20)))))) (* 4 ~N~0))) (not .cse15)))) (<= 0 .cse0) .cse23) (or (and (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse29 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse29 4) (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse29) (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse29) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5)))))) (let ((.cse28 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse25 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |ULTIMATE.start_main_~#sum~0#1.offset| .cse26)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse24 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse25 .cse26))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse24 .cse25 .cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse24 .cse25 .cse26))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)))))))) (* 4 ~N~0))) (< .cse22 0)) (or (<= 0 .cse22) (and (or (<= 0 .cse14) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse35 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse35 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse35) (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse35) (+ (- 5) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5))))))) (let ((.cse31 (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse32 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse34 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| .cse32)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse33 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse32 .cse34))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse32 .cse33 .cse34))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse32 .cse33 .cse34)))))) (* 4 ~N~0)))) (or (< .cse14 0) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse41 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse41 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse41) (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse41) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5)))))) (let ((.cse37 (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse39 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| .cse38)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse40 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39 .cse40))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse38 .cse39 .cse40)))))) (* 4 ~N~0))))))) (and (< .cse0 0) (not .cse23)))))))) is different from false [2021-11-22 14:38:30,161 WARN L860 $PredicateComparison]: unable to prove that (forall ((~N~0 Int)) (let ((.cse0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (<= ~N~0 .cse0) (let ((.cse22 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse14 (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (.cse23 (= (mod .cse0 5) 0))) (and (or (let ((.cse15 (= (mod .cse22 5) 0))) (and (or (let ((.cse7 (= (mod .cse14 5) 0))) (and (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse6 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse6 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse6) (+ (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse6) (+ (- 5) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5))))))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse5 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| .cse5)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse1 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse1 .cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse1 .cse2 .cse5))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse5)))))) (* 4 ~N~0))) .cse7) (or (not .cse7) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse13 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse13 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse13) (+ (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse13) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5)))))) (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse9 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |ULTIMATE.start_main_~#sum~0#1.offset| .cse9)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse8 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse9 .cse10))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse8 .cse9 .cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse8 .cse9 .cse10))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)))))))) (* 4 ~N~0)))))) .cse15) (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse21 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse21 4) (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse21) (+ (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse21) (+ (- 5) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5))))))) (let ((.cse19 (select .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse20 (select (select (store .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse17 (select (select (store .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |ULTIMATE.start_main_~#sum~0#1.offset| .cse20)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse16 (select (select (store .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse17 .cse20))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse16 .cse17 (select (select (store .cse18 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse19 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse16 .cse17 .cse20))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse20)))))) (* 4 ~N~0))) (not .cse15)))) (<= 0 .cse0) .cse23) (or (and (or (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse29 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse29 4) (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse29) (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse29) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5)))))) (let ((.cse28 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse25 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |ULTIMATE.start_main_~#sum~0#1.offset| .cse26)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse24 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse25 .cse26))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ .cse24 .cse25 .cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse24 .cse25 .cse26))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)))))))) (* 4 ~N~0))) (< .cse22 0)) (or (<= 0 .cse22) (and (or (<= 0 .cse14) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse35 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse35 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse35) (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse35) (+ (- 5) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5))))))) (let ((.cse31 (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse32 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse34 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| .cse32)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse33 (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse32 .cse34))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ (select (select (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse31 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse32 .cse33 .cse34))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse32 .cse33 .cse34)))))) (* 4 ~N~0)))) (or (< .cse14 0) (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse41 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse41 4) (+ (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 5) (- 5))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse41) (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 5)) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse41) (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 5)))))) (let ((.cse37 (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (let ((.cse39 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| .cse38)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (let ((.cse40 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)))) (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39 .cse40))) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) .cse38 .cse39 .cse40)))))) (* 4 ~N~0))))))) (and (< .cse0 0) (not .cse23)))))))) is different from true [2021-11-22 14:38:36,142 WARN L227 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 14:38:36,143 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:38:36,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 9492 treesize of output 9492 [2021-11-22 14:38:36,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-11-22 14:38:36,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2021-11-22 14:39:32,986 INFO L354 Elim1Store]: treesize reduction 93, result has 27.9 percent of original size [2021-11-22 14:39:33,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 511585432593 treesize of output 494376969508