./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G --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 d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:52:41,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:52:41,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:52:41,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:52:41,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:52:41,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:52:41,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:52:41,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:52:41,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:52:41,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:52:41,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:52:41,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:52:41,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:52:41,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:52:41,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:52:41,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:52:41,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:52:41,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:52:41,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:52:41,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:52:41,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:52:41,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:52:41,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:52:41,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:52:41,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:52:41,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:52:41,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:52:41,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:52:41,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:52:41,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:52:41,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:52:41,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:52:41,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:52:41,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:52:41,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:52:41,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:52:41,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:52:41,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:52:41,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:52:41,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:52:41,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:52:41,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 12:52:41,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:52:41,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:52:41,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:52:41,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:52:41,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:52:41,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:52:41,675 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:52:41,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:52:41,675 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:52:41,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:52:41,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:52:41,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:52:41,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 12:52:41,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:52:41,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 12:52:41,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:52:41,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:52:41,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:52:41,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 12:52:41,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:52:41,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:52:41,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:52:41,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:52:41,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:52:41,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:52:41,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 12:52:41,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:52:41,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:52:41,681 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 12:52:41,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 12:52:41,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 12:52:41,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:52:41,682 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_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d [2021-11-23 12:52:41,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:52:41,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:52:41,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:52:41,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:52:41,984 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:52:41,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2021-11-23 12:52:42,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/data/9a3573cb7/1d169461af504f6d950f63a3f7286eee/FLAGa4c5e885c [2021-11-23 12:52:42,687 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:52:42,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2021-11-23 12:52:42,708 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/data/9a3573cb7/1d169461af504f6d950f63a3f7286eee/FLAGa4c5e885c [2021-11-23 12:52:42,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/data/9a3573cb7/1d169461af504f6d950f63a3f7286eee [2021-11-23 12:52:42,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:52:42,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:52:42,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:52:42,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:52:42,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:52:42,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:42" (1/1) ... [2021-11-23 12:52:42,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d1320c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:42, skipping insertion in model container [2021-11-23 12:52:42,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:42" (1/1) ... [2021-11-23 12:52:42,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:52:43,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:52:43,481 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_ed75afea-91cc-477d-8fd5-d7f517acffab/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2021-11-23 12:52:43,582 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_ed75afea-91cc-477d-8fd5-d7f517acffab/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2021-11-23 12:52:43,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:52:43,634 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:52:43,694 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_ed75afea-91cc-477d-8fd5-d7f517acffab/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2021-11-23 12:52:43,770 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_ed75afea-91cc-477d-8fd5-d7f517acffab/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2021-11-23 12:52:43,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:52:43,831 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:52:43,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43 WrapperNode [2021-11-23 12:52:43,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:52:43,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:52:43,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:52:43,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:52:43,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:43,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:43,986 INFO L137 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1069 [2021-11-23 12:52:43,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:52:43,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:52:43,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:52:43,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:52:44,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:44,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:44,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:44,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:44,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:44,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:44,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:44,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:52:44,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:52:44,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:52:44,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:52:44,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (1/1) ... [2021-11-23 12:52:44,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:52:44,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:44,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:52:44,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:52:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:52:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 12:52:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 12:52:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:52:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 12:52:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 12:52:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 12:52:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:52:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 12:52:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:52:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:52:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:52:44,525 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:52:44,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:52:45,556 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:52:45,569 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:52:45,570 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-23 12:52:45,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:45 BoogieIcfgContainer [2021-11-23 12:52:45,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:52:45,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:52:45,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:52:45,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:52:45,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:52:42" (1/3) ... [2021-11-23 12:52:45,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d606e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:52:45, skipping insertion in model container [2021-11-23 12:52:45,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:43" (2/3) ... [2021-11-23 12:52:45,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d606e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:52:45, skipping insertion in model container [2021-11-23 12:52:45,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:45" (3/3) ... [2021-11-23 12:52:45,584 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-2.i [2021-11-23 12:52:45,592 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:52:45,592 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-23 12:52:45,652 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:52:45,669 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 [2021-11-23 12:52:45,674 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 12:52:45,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 204 states have (on average 1.7009803921568627) internal successors, (347), 210 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:45,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 12:52:45,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:45,700 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:45,701 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 12:52:45,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:45,707 INFO L85 PathProgramCache]: Analyzing trace with hash 239231559, now seen corresponding path program 1 times [2021-11-23 12:52:45,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:45,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341840369] [2021-11-23 12:52:45,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:45,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:45,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:45,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341840369] [2021-11-23 12:52:45,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341840369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:45,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:45,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:52:45,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202511767] [2021-11-23 12:52:45,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:45,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 12:52:45,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:45,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 12:52:45,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 12:52:45,909 INFO L87 Difference]: Start difference. First operand has 211 states, 204 states have (on average 1.7009803921568627) internal successors, (347), 210 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:45,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:45,949 INFO L93 Difference]: Finished difference Result 420 states and 692 transitions. [2021-11-23 12:52:45,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 12:52:45,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-11-23 12:52:45,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:45,967 INFO L225 Difference]: With dead ends: 420 [2021-11-23 12:52:45,967 INFO L226 Difference]: Without dead ends: 178 [2021-11-23 12:52:45,971 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 [2021-11-23 12:52:45,975 INFO L933 BasicCegarLoop]: 274 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, 274 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 [2021-11-23 12:52:45,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:52:45,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-11-23 12:52:46,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-11-23 12:52:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 172 states have (on average 1.3372093023255813) internal successors, (230), 177 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 230 transitions. [2021-11-23 12:52:46,060 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 230 transitions. Word has length 9 [2021-11-23 12:52:46,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:46,061 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 230 transitions. [2021-11-23 12:52:46,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 230 transitions. [2021-11-23 12:52:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 12:52:46,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:46,064 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:46,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 12:52:46,064 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 12:52:46,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:46,065 INFO L85 PathProgramCache]: Analyzing trace with hash 627334337, now seen corresponding path program 1 times [2021-11-23 12:52:46,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:46,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801133371] [2021-11-23 12:52:46,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:46,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:46,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:46,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801133371] [2021-11-23 12:52:46,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801133371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:46,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:46,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:52:46,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299784965] [2021-11-23 12:52:46,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:46,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:52:46,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:46,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:52:46,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:52:46,150 INFO L87 Difference]: Start difference. First operand 178 states and 230 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:46,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:46,613 INFO L93 Difference]: Finished difference Result 392 states and 505 transitions. [2021-11-23 12:52:46,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:52:46,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-23 12:52:46,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:46,617 INFO L225 Difference]: With dead ends: 392 [2021-11-23 12:52:46,617 INFO L226 Difference]: Without dead ends: 304 [2021-11-23 12:52:46,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:52:46,620 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 158 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:46,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 549 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 12:52:46,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-11-23 12:52:46,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 180. [2021-11-23 12:52:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 174 states have (on average 1.3333333333333333) internal successors, (232), 179 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 232 transitions. [2021-11-23 12:52:46,638 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 232 transitions. Word has length 44 [2021-11-23 12:52:46,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:46,639 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 232 transitions. [2021-11-23 12:52:46,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:46,639 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2021-11-23 12:52:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:52:46,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:46,644 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:46,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 12:52:46,644 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 12:52:46,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:46,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1103504913, now seen corresponding path program 1 times [2021-11-23 12:52:46,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:46,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736453327] [2021-11-23 12:52:46,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:46,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:46,673 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:52:46,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [490462408] [2021-11-23 12:52:46,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:46,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:46,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:46,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:52:46,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 12:52:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:46,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:52:46,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:52:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:47,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:52:47,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:47,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736453327] [2021-11-23 12:52:47,091 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:52:47,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490462408] [2021-11-23 12:52:47,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490462408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:47,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:47,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:52:47,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646920160] [2021-11-23 12:52:47,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:47,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:52:47,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:47,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:52:47,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:52:47,095 INFO L87 Difference]: Start difference. First operand 180 states and 232 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:47,171 INFO L93 Difference]: Finished difference Result 377 states and 491 transitions. [2021-11-23 12:52:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:52:47,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2021-11-23 12:52:47,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:47,173 INFO L225 Difference]: With dead ends: 377 [2021-11-23 12:52:47,173 INFO L226 Difference]: Without dead ends: 201 [2021-11-23 12:52:47,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:52:47,176 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 9 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:47,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 405 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:52:47,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-23 12:52:47,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2021-11-23 12:52:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.2989690721649485) internal successors, (252), 199 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 252 transitions. [2021-11-23 12:52:47,191 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 252 transitions. Word has length 96 [2021-11-23 12:52:47,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:47,191 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 252 transitions. [2021-11-23 12:52:47,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:47,192 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 252 transitions. [2021-11-23 12:52:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:52:47,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:47,196 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:47,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:52:47,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:47,428 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 12:52:47,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:47,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744659, now seen corresponding path program 1 times [2021-11-23 12:52:47,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:47,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429807595] [2021-11-23 12:52:47,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:47,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:47,470 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:52:47,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [89196903] [2021-11-23 12:52:47,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:47,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:47,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:47,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:52:47,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 12:52:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:47,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:52:47,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:52:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 12:52:47,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:52:47,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:47,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429807595] [2021-11-23 12:52:47,864 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:52:47,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89196903] [2021-11-23 12:52:47,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89196903] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:47,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:47,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:52:47,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807859901] [2021-11-23 12:52:47,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:47,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:52:47,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:52:47,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:52:47,874 INFO L87 Difference]: Start difference. First operand 200 states and 252 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:47,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:47,950 INFO L93 Difference]: Finished difference Result 308 states and 394 transitions. [2021-11-23 12:52:47,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:52:47,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-23 12:52:47,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:47,954 INFO L225 Difference]: With dead ends: 308 [2021-11-23 12:52:47,954 INFO L226 Difference]: Without dead ends: 221 [2021-11-23 12:52:47,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:52:47,959 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 9 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:47,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 405 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:52:47,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-23 12:52:47,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-23 12:52:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.2710280373831775) internal successors, (272), 219 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 272 transitions. [2021-11-23 12:52:47,987 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 272 transitions. Word has length 96 [2021-11-23 12:52:47,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:47,988 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 272 transitions. [2021-11-23 12:52:47,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:47,988 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 272 transitions. [2021-11-23 12:52:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:52:47,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:47,991 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:48,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 12:52:48,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:48,201 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 12:52:48,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:48,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949711, now seen corresponding path program 1 times [2021-11-23 12:52:48,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:48,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841220215] [2021-11-23 12:52:48,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:48,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:48,242 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:52:48,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565191959] [2021-11-23 12:52:48,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:48,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:48,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:48,249 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:52:48,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 12:52:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:48,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:52:48,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:52:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:48,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:52:48,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:48,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841220215] [2021-11-23 12:52:48,627 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:52:48,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565191959] [2021-11-23 12:52:48,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565191959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:48,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:48,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:52:48,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145256326] [2021-11-23 12:52:48,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:48,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:52:48,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:48,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:52:48,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:52:48,630 INFO L87 Difference]: Start difference. First operand 220 states and 272 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:48,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:48,716 INFO L93 Difference]: Finished difference Result 428 states and 532 transitions. [2021-11-23 12:52:48,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:52:48,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2021-11-23 12:52:48,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:48,718 INFO L225 Difference]: With dead ends: 428 [2021-11-23 12:52:48,719 INFO L226 Difference]: Without dead ends: 212 [2021-11-23 12:52:48,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:52:48,720 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 218 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:48,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 416 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:52:48,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-23 12:52:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-23 12:52:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.255) internal successors, (251), 205 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 251 transitions. [2021-11-23 12:52:48,730 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 251 transitions. Word has length 96 [2021-11-23 12:52:48,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:48,731 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 251 transitions. [2021-11-23 12:52:48,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 251 transitions. [2021-11-23 12:52:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:52:48,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:48,733 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:48,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:52:48,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:48,951 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 12:52:48,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:48,952 INFO L85 PathProgramCache]: Analyzing trace with hash 569918463, now seen corresponding path program 1 times [2021-11-23 12:52:48,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:48,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387750276] [2021-11-23 12:52:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:48,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:48,970 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:52:48,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [41146357] [2021-11-23 12:52:48,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:48,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:48,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:48,972 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:52:48,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 12:52:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:49,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:52:49,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:52:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 12:52:49,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:52:49,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:49,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387750276] [2021-11-23 12:52:49,283 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:52:49,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41146357] [2021-11-23 12:52:49,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41146357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:49,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:49,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:52:49,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015985920] [2021-11-23 12:52:49,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:49,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:52:49,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:49,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:52:49,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:52:49,286 INFO L87 Difference]: Start difference. First operand 206 states and 251 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:49,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:49,365 INFO L93 Difference]: Finished difference Result 305 states and 374 transitions. [2021-11-23 12:52:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:52:49,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-23 12:52:49,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:49,368 INFO L225 Difference]: With dead ends: 305 [2021-11-23 12:52:49,368 INFO L226 Difference]: Without dead ends: 198 [2021-11-23 12:52:49,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:52:49,371 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 101 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:49,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 506 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:52:49,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-23 12:52:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 192. [2021-11-23 12:52:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 186 states have (on average 1.2365591397849462) internal successors, (230), 191 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 230 transitions. [2021-11-23 12:52:49,380 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 230 transitions. Word has length 96 [2021-11-23 12:52:49,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:49,382 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 230 transitions. [2021-11-23 12:52:49,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 230 transitions. [2021-11-23 12:52:49,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:52:49,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:49,386 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:49,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:52:49,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:49,604 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 12:52:49,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:49,604 INFO L85 PathProgramCache]: Analyzing trace with hash -312930383, now seen corresponding path program 1 times [2021-11-23 12:52:49,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:49,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969104150] [2021-11-23 12:52:49,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:49,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:49,628 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:52:49,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2147463678] [2021-11-23 12:52:49,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:49,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:49,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:49,651 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:52:49,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 12:52:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:49,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:52:49,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:52:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:50,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:52:50,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:50,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969104150] [2021-11-23 12:52:50,260 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:52:50,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147463678] [2021-11-23 12:52:50,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147463678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:50,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:50,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:52:50,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854447404] [2021-11-23 12:52:50,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:50,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:52:50,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:50,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:52:50,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:52:50,265 INFO L87 Difference]: Start difference. First operand 192 states and 230 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:50,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:50,323 INFO L93 Difference]: Finished difference Result 501 states and 594 transitions. [2021-11-23 12:52:50,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:52:50,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2021-11-23 12:52:50,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:50,326 INFO L225 Difference]: With dead ends: 501 [2021-11-23 12:52:50,326 INFO L226 Difference]: Without dead ends: 313 [2021-11-23 12:52:50,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:52:50,328 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 99 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:50,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 451 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:52:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-11-23 12:52:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 301. [2021-11-23 12:52:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 295 states have (on average 1.2203389830508475) internal successors, (360), 300 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 360 transitions. [2021-11-23 12:52:50,341 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 360 transitions. Word has length 96 [2021-11-23 12:52:50,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:50,342 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 360 transitions. [2021-11-23 12:52:50,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 360 transitions. [2021-11-23 12:52:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 12:52:50,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:50,343 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:50,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:52:50,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:50,568 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 12:52:50,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926464, now seen corresponding path program 1 times [2021-11-23 12:52:50,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:50,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80897526] [2021-11-23 12:52:50,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:50,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:50,584 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:52:50,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877259087] [2021-11-23 12:52:50,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:50,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:50,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:50,585 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:52:50,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 12:52:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:50,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:52:50,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:52:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:52:50,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:52:50,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:52:51,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80897526] [2021-11-23 12:52:51,000 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:52:51,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877259087] [2021-11-23 12:52:51,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877259087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:52:51,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:52:51,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:52:51,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260212515] [2021-11-23 12:52:51,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:52:51,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:52:51,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:52:51,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:52:51,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:52:51,003 INFO L87 Difference]: Start difference. First operand 301 states and 360 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:51,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:52:51,206 INFO L93 Difference]: Finished difference Result 489 states and 586 transitions. [2021-11-23 12:52:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:52:51,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-23 12:52:51,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:52:51,208 INFO L225 Difference]: With dead ends: 489 [2021-11-23 12:52:51,209 INFO L226 Difference]: Without dead ends: 236 [2021-11-23 12:52:51,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:52:51,210 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 320 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:52:51,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 271 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 12:52:51,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-11-23 12:52:51,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2021-11-23 12:52:51,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 230 states have (on average 1.2043478260869565) internal successors, (277), 235 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:51,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 277 transitions. [2021-11-23 12:52:51,220 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 277 transitions. Word has length 103 [2021-11-23 12:52:51,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:52:51,220 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 277 transitions. [2021-11-23 12:52:51,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:52:51,221 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 277 transitions. [2021-11-23 12:52:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 12:52:51,222 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:52:51,222 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:52:51,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:52:51,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-23 12:52:51,430 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 12:52:51,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:52:51,431 INFO L85 PathProgramCache]: Analyzing trace with hash 541560538, now seen corresponding path program 1 times [2021-11-23 12:52:51,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:52:51,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459019451] [2021-11-23 12:52:51,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:51,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:52:51,454 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:52:51,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [588474302] [2021-11-23 12:52:51,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:52:51,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:52:51,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:51,458 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:52:51,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed75afea-91cc-477d-8fd5-d7f517acffab/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 12:52:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:52:51,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 12:52:51,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:52:51,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 12:52:51,685 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 11 treesize of output 7 [2021-11-23 12:52:51,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:51,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-23 12:52:51,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:51,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:51,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:51,805 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 38 treesize of output 29 [2021-11-23 12:52:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-23 12:52:52,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:52,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 12:52:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-23 12:52:53,163 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 [2021-11-23 12:52:53,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,191 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 52 treesize of output 45 [2021-11-23 12:52:53,211 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 29 treesize of output 25 [2021-11-23 12:52:53,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:53,236 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-23 12:52:53,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-23 12:52:54,906 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-23 12:52:54,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-23 12:52:54,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:57,275 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-23 12:52:57,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3246 treesize of output 2904 [2021-11-23 12:52:57,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:57,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:57,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:57,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:57,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:52:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:07,564 WARN L227 SmtUtils]: Spent 10.19s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:53:07,565 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-23 12:53:07,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4244 treesize of output 2275 [2021-11-23 12:53:08,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:08,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-23 12:53:08,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:08,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-23 12:53:09,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:09,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:09,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:09,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:09,496 INFO L244 Elim1Store]: Index analysis took 267 ms [2021-11-23 12:53:09,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 897 treesize of output 409 [2021-11-23 12:53:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:10,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:10,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:10,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-23 12:53:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:12,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:25,046 WARN L227 SmtUtils]: Spent 12.21s on a formula simplification. DAG size of input: 534 DAG size of output: 150 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:53:25,048 INFO L354 Elim1Store]: treesize reduction 19512, result has 2.6 percent of original size [2021-11-23 12:53:25,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 63388 treesize of output 35880 [2021-11-23 12:53:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:26,326 INFO L244 Elim1Store]: Index analysis took 396 ms [2021-11-23 12:53:26,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1691 treesize of output 757 [2021-11-23 12:53:26,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 12:53:27,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 12:53:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:27,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:27,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:27,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:27,942 INFO L244 Elim1Store]: Index analysis took 590 ms [2021-11-23 12:53:27,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1747 treesize of output 785 [2021-11-23 12:53:28,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 12:53:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:29,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:29,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:29,439 INFO L244 Elim1Store]: Index analysis took 321 ms [2021-11-23 12:53:29,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1747 treesize of output 785 [2021-11-23 12:53:29,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 12:53:29,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 12:53:30,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:30,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:30,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:30,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:30,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:31,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:31,129 INFO L244 Elim1Store]: Index analysis took 689 ms [2021-11-23 12:53:31,596 INFO L354 Elim1Store]: treesize reduction 251, result has 18.2 percent of original size [2021-11-23 12:53:31,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 1786 treesize of output 862 [2021-11-23 12:53:32,323 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 12:53:32,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:32,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:32,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:32,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:32,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:32,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:32,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:32,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:32,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:32,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,105 INFO L244 Elim1Store]: Index analysis took 385 ms [2021-11-23 12:53:33,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1759 treesize of output 791 [2021-11-23 12:53:33,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 12:53:33,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:33,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:33,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:34,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:34,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:53:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:34,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:53:34,336 INFO L244 Elim1Store]: Index analysis took 520 ms [2021-11-23 12:53:35,283 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:53:35,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 1966 treesize of output 1330 [2021-11-23 12:54:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:39,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:39,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:39,999 INFO L244 Elim1Store]: Index analysis took 370 ms [2021-11-23 12:54:40,029 INFO L354 Elim1Store]: treesize reduction 312, result has 0.3 percent of original size [2021-11-23 12:54:40,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 1825 treesize of output 871 [2021-11-23 12:54:40,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:40,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:40,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:40,346 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-11-23 12:54:40,735 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:54:40,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 1990 treesize of output 1354 [2021-11-23 12:54:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:41,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:41,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:41,611 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-23 12:54:41,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1597 treesize of output 733 [2021-11-23 12:54:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,010 INFO L354 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2021-11-23 12:54:42,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 5399 treesize of output 4186 [2021-11-23 12:54:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,200 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-23 12:54:42,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 18 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 3787 treesize of output 3583 [2021-11-23 12:54:42,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:42,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:42,473 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-23 12:54:42,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1773 treesize of output 877 [2021-11-23 12:54:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,697 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:54:42,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 65 [2021-11-23 12:54:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,789 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:54:42,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 129 treesize of output 65 [2021-11-23 12:54:42,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,843 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:54:42,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 238 treesize of output 124 [2021-11-23 12:54:42,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:42,942 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:54:42,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 137 treesize of output 69 [2021-11-23 12:54:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,038 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:54:43,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 129 treesize of output 69 [2021-11-23 12:54:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,066 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:54:43,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 970 treesize of output 713 [2021-11-23 12:54:43,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:43,297 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 12:54:43,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 346 treesize of output 154 [2021-11-23 12:54:43,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 62 [2021-11-23 12:54:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:43,513 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-23 12:54:43,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 95 treesize of output 106 [2021-11-23 12:54:44,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,294 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-23 12:54:44,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 218 [2021-11-23 12:54:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,517 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-23 12:54:44,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 18 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 260 treesize of output 256 [2021-11-23 12:54:44,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:54:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:54:44,570 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-23 12:54:44,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 209 treesize of output 199 [2021-11-23 12:54:45,417 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-23 12:54:45,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 220 treesize of output 388 [2021-11-23 12:54:45,450 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-23 12:54:45,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 364 treesize of output 282 [2021-11-23 12:54:45,546 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-23 12:54:45,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 270 treesize of output 290 [2021-11-23 12:54:45,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:54:45,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 266 treesize of output 254 [2021-11-23 12:55:19,217 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-23 12:55:19,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 330 treesize of output 362 [2021-11-23 12:56:19,315 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-23 12:56:19,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 393 treesize of output 254 [2021-11-23 12:56:24,227 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-23 12:56:24,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 383 treesize of output 203 [2021-11-23 12:56:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:56:24,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:56:26,717 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int)) (or (< (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse2 (select |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse3 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_8) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_9))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 9) (< (let ((.cse4 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4))) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))) is different from false [2021-11-23 12:56:28,919 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_11 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse3 (select .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse4 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_8) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_9))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 |c_ULTIMATE.start_main_~users~0#1.base|) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) |c_ULTIMATE.start_main_~users~0#1.base|) .cse9)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))))) is different from false [2021-11-23 12:56:31,010 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_11 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse7 (select .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse8 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_8) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_9))))) (store .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 9))))) is different from false