./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:25:47,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:25:47,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:25:47,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:25:47,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:25:47,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:25:47,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:25:47,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:25:47,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:25:47,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:25:47,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:25:47,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:25:47,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:25:47,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:25:47,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:25:47,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:25:47,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:25:47,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:25:47,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:25:47,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:25:47,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:25:47,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:25:47,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:25:47,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:25:47,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:25:47,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:25:47,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:25:47,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:25:47,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:25:47,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:25:47,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:25:47,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:25:47,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:25:47,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:25:47,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:25:47,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:25:47,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:25:47,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:25:47,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:25:47,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:25:47,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:25:47,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:25:47,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:25:47,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:25:47,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:25:47,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:25:47,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:25:47,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:25:47,424 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:25:47,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:25:47,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:25:47,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:25:47,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:25:47,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:25:47,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:25:47,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:25:47,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:25:47,426 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:25:47,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:25:47,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:25:47,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:25:47,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:25:47,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:25:47,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:25:47,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:25:47,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:25:47,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:25:47,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:25:47,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:25:47,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:25:47,429 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:25:47,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:25:47,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:25:47,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:25:47,429 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_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 [2021-11-22 15:25:47,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:25:47,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:25:47,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:25:47,705 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:25:47,706 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:25:47,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2021-11-22 15:25:47,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/data/4678021d1/9626dac3af674cffaa982d063730d45f/FLAGfb6465cbf [2021-11-22 15:25:48,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:25:48,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2021-11-22 15:25:48,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/data/4678021d1/9626dac3af674cffaa982d063730d45f/FLAGfb6465cbf [2021-11-22 15:25:48,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/data/4678021d1/9626dac3af674cffaa982d063730d45f [2021-11-22 15:25:48,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:25:48,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:25:48,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:25:48,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:25:48,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:25:48,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:25:48" (1/1) ... [2021-11-22 15:25:48,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4528175d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:48, skipping insertion in model container [2021-11-22 15:25:48,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:25:48" (1/1) ... [2021-11-22 15:25:48,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:25:48,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:25:49,171 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_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2021-11-22 15:25:49,279 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_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2021-11-22 15:25:49,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:25:49,311 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:25:49,357 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_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2021-11-22 15:25:49,418 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_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2021-11-22 15:25:49,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:25:49,491 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:25:49,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49 WrapperNode [2021-11-22 15:25:49,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:25:49,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:25:49,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:25:49,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:25:49,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,683 INFO L137 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1069 [2021-11-22 15:25:49,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:25:49,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:25:49,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:25:49,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:25:49,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:25:49,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:25:49,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:25:49,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:25:49,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (1/1) ... [2021-11-22 15:25:49,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:25:49,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:25:49,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:25:49,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:25:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:25:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 15:25:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:25:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:25:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:25:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:25:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:25:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:25:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:25:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:25:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:25:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:25:50,098 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:25:50,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:25:50,990 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:25:51,003 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:25:51,004 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-22 15:25:51,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:25:51 BoogieIcfgContainer [2021-11-22 15:25:51,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:25:51,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:25:51,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:25:51,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:25:51,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:25:48" (1/3) ... [2021-11-22 15:25:51,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241274a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:25:51, skipping insertion in model container [2021-11-22 15:25:51,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:25:49" (2/3) ... [2021-11-22 15:25:51,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241274a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:25:51, skipping insertion in model container [2021-11-22 15:25:51,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:25:51" (3/3) ... [2021-11-22 15:25:51,014 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-2.i [2021-11-22 15:25:51,029 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:25:51,029 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-22 15:25:51,075 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:25:51,082 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 15:25:51,082 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-22 15:25:51,112 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) [2021-11-22 15:25:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 15:25:51,118 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:25:51,118 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:25:51,119 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)] === [2021-11-22 15:25:51,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:25:51,125 INFO L85 PathProgramCache]: Analyzing trace with hash 239231559, now seen corresponding path program 1 times [2021-11-22 15:25:51,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:25:51,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536455553] [2021-11-22 15:25:51,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:51,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:25:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:25:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:25:51,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:25:51,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536455553] [2021-11-22 15:25:51,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536455553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:25:51,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:25:51,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:25:51,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708828185] [2021-11-22 15:25:51,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:25:51,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:25:51,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:25:51,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:25:51,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:25:51,373 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) [2021-11-22 15:25:51,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:25:51,439 INFO L93 Difference]: Finished difference Result 420 states and 692 transitions. [2021-11-22 15:25:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:25:51,442 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 [2021-11-22 15:25:51,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:25:51,456 INFO L225 Difference]: With dead ends: 420 [2021-11-22 15:25:51,456 INFO L226 Difference]: Without dead ends: 178 [2021-11-22 15:25:51,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:25:51,465 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 [2021-11-22 15:25:51,467 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] [2021-11-22 15:25:51,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-11-22 15:25:51,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-11-22 15:25:51,528 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) [2021-11-22 15:25:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 230 transitions. [2021-11-22 15:25:51,533 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 230 transitions. Word has length 9 [2021-11-22 15:25:51,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:25:51,533 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 230 transitions. [2021-11-22 15:25:51,534 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) [2021-11-22 15:25:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 230 transitions. [2021-11-22 15:25:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 15:25:51,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:25:51,538 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] [2021-11-22 15:25:51,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:25:51,539 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)] === [2021-11-22 15:25:51,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:25:51,542 INFO L85 PathProgramCache]: Analyzing trace with hash 627334337, now seen corresponding path program 1 times [2021-11-22 15:25:51,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:25:51,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201319069] [2021-11-22 15:25:51,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:51,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:25:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:25:51,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:25:51,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:25:51,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201319069] [2021-11-22 15:25:51,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201319069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:25:51,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:25:51,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:25:51,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436088012] [2021-11-22 15:25:51,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:25:51,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:25:51,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:25:51,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:25:51,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:25:51,701 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) [2021-11-22 15:25:52,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:25:52,151 INFO L93 Difference]: Finished difference Result 392 states and 505 transitions. [2021-11-22 15:25:52,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:25:52,152 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 [2021-11-22 15:25:52,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:25:52,155 INFO L225 Difference]: With dead ends: 392 [2021-11-22 15:25:52,155 INFO L226 Difference]: Without dead ends: 304 [2021-11-22 15:25:52,156 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 [2021-11-22 15:25:52,158 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 [2021-11-22 15:25:52,158 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] [2021-11-22 15:25:52,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-11-22 15:25:52,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 180. [2021-11-22 15:25:52,173 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) [2021-11-22 15:25:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 232 transitions. [2021-11-22 15:25:52,180 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 232 transitions. Word has length 44 [2021-11-22 15:25:52,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:25:52,180 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 232 transitions. [2021-11-22 15:25:52,181 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) [2021-11-22 15:25:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2021-11-22 15:25:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:25:52,195 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:25:52,195 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] [2021-11-22 15:25:52,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:25:52,200 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)] === [2021-11-22 15:25:52,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:25:52,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1103504913, now seen corresponding path program 1 times [2021-11-22 15:25:52,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:25:52,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686251596] [2021-11-22 15:25:52,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:52,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:25:52,244 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:25:52,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1042025822] [2021-11-22 15:25:52,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:52,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:52,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:25:52,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:25:52,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:25:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:25:52,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:25:52,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:25:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:25:52,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:25:52,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:25:52,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686251596] [2021-11-22 15:25:52,704 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:25:52,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042025822] [2021-11-22 15:25:52,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042025822] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:25:52,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:25:52,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:25:52,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119410407] [2021-11-22 15:25:52,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:25:52,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:25:52,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:25:52,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:25:52,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:25:52,712 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) [2021-11-22 15:25:52,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:25:52,788 INFO L93 Difference]: Finished difference Result 377 states and 491 transitions. [2021-11-22 15:25:52,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:25:52,789 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 [2021-11-22 15:25:52,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:25:52,792 INFO L225 Difference]: With dead ends: 377 [2021-11-22 15:25:52,792 INFO L226 Difference]: Without dead ends: 201 [2021-11-22 15:25:52,795 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 [2021-11-22 15:25:52,798 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 [2021-11-22 15:25:52,800 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] [2021-11-22 15:25:52,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-22 15:25:52,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2021-11-22 15:25:52,825 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) [2021-11-22 15:25:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 252 transitions. [2021-11-22 15:25:52,826 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 252 transitions. Word has length 96 [2021-11-22 15:25:52,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:25:52,827 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 252 transitions. [2021-11-22 15:25:52,827 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) [2021-11-22 15:25:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 252 transitions. [2021-11-22 15:25:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:25:52,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:25:52,829 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] [2021-11-22 15:25:52,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:25:53,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-22 15:25:53,030 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)] === [2021-11-22 15:25:53,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:25:53,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744659, now seen corresponding path program 1 times [2021-11-22 15:25:53,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:25:53,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708631632] [2021-11-22 15:25:53,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:53,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:25:53,049 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:25:53,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1904787030] [2021-11-22 15:25:53,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:53,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:53,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:25:53,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:25:53,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:25:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:25:53,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:25:53,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:25:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:25:53,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:25:53,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:25:53,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708631632] [2021-11-22 15:25:53,418 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:25:53,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904787030] [2021-11-22 15:25:53,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904787030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:25:53,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:25:53,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:25:53,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403655235] [2021-11-22 15:25:53,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:25:53,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:25:53,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:25:53,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:25:53,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:25:53,426 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) [2021-11-22 15:25:53,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:25:53,505 INFO L93 Difference]: Finished difference Result 308 states and 394 transitions. [2021-11-22 15:25:53,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:25:53,506 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 [2021-11-22 15:25:53,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:25:53,508 INFO L225 Difference]: With dead ends: 308 [2021-11-22 15:25:53,508 INFO L226 Difference]: Without dead ends: 221 [2021-11-22 15:25:53,508 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 [2021-11-22 15:25:53,509 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 [2021-11-22 15:25:53,510 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] [2021-11-22 15:25:53,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-22 15:25:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-22 15:25:53,517 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) [2021-11-22 15:25:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 272 transitions. [2021-11-22 15:25:53,518 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 272 transitions. Word has length 96 [2021-11-22 15:25:53,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:25:53,519 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 272 transitions. [2021-11-22 15:25:53,519 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) [2021-11-22 15:25:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 272 transitions. [2021-11-22 15:25:53,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:25:53,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:25:53,520 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] [2021-11-22 15:25:53,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:25:53,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:53,736 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)] === [2021-11-22 15:25:53,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:25:53,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949711, now seen corresponding path program 1 times [2021-11-22 15:25:53,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:25:53,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029752610] [2021-11-22 15:25:53,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:53,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:25:53,756 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:25:53,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1731985718] [2021-11-22 15:25:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:53,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:53,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:25:53,757 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:25:53,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:25:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:25:53,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:25:53,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:25:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:25:54,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:25:54,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:25:54,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029752610] [2021-11-22 15:25:54,088 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:25:54,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731985718] [2021-11-22 15:25:54,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731985718] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:25:54,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:25:54,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:25:54,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881601199] [2021-11-22 15:25:54,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:25:54,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:25:54,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:25:54,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:25:54,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:25:54,092 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) [2021-11-22 15:25:54,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:25:54,171 INFO L93 Difference]: Finished difference Result 428 states and 532 transitions. [2021-11-22 15:25:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:25:54,173 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 [2021-11-22 15:25:54,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:25:54,174 INFO L225 Difference]: With dead ends: 428 [2021-11-22 15:25:54,174 INFO L226 Difference]: Without dead ends: 212 [2021-11-22 15:25:54,175 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 [2021-11-22 15:25:54,176 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 218 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2021-11-22 15:25:54,176 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] [2021-11-22 15:25:54,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-22 15:25:54,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-22 15:25:54,182 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) [2021-11-22 15:25:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 251 transitions. [2021-11-22 15:25:54,183 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 251 transitions. Word has length 96 [2021-11-22 15:25:54,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:25:54,185 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 251 transitions. [2021-11-22 15:25:54,185 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) [2021-11-22 15:25:54,186 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 251 transitions. [2021-11-22 15:25:54,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:25:54,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:25:54,193 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] [2021-11-22 15:25:54,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:25:54,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:54,407 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)] === [2021-11-22 15:25:54,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:25:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash 569918463, now seen corresponding path program 1 times [2021-11-22 15:25:54,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:25:54,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478268849] [2021-11-22 15:25:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:54,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:25:54,451 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:25:54,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146931546] [2021-11-22 15:25:54,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:54,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:54,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:25:54,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:25:54,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 15:25:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:25:54,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:25:54,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:25:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:25:54,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:25:54,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:25:54,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478268849] [2021-11-22 15:25:54,802 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:25:54,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146931546] [2021-11-22 15:25:54,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146931546] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:25:54,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:25:54,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:25:54,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683183489] [2021-11-22 15:25:54,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:25:54,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:25:54,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:25:54,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:25:54,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:25:54,806 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) [2021-11-22 15:25:54,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:25:54,911 INFO L93 Difference]: Finished difference Result 305 states and 374 transitions. [2021-11-22 15:25:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:25:54,912 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 [2021-11-22 15:25:54,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:25:54,914 INFO L225 Difference]: With dead ends: 305 [2021-11-22 15:25:54,914 INFO L226 Difference]: Without dead ends: 198 [2021-11-22 15:25:54,914 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 [2021-11-22 15:25:54,915 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 101 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2021-11-22 15:25:54,916 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] [2021-11-22 15:25:54,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-22 15:25:54,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 192. [2021-11-22 15:25:54,923 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) [2021-11-22 15:25:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 230 transitions. [2021-11-22 15:25:54,924 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 230 transitions. Word has length 96 [2021-11-22 15:25:54,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:25:54,927 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 230 transitions. [2021-11-22 15:25:54,927 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) [2021-11-22 15:25:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 230 transitions. [2021-11-22 15:25:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:25:54,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:25:54,928 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] [2021-11-22 15:25:54,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:25:55,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-22 15:25:55,151 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)] === [2021-11-22 15:25:55,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:25:55,151 INFO L85 PathProgramCache]: Analyzing trace with hash -312930383, now seen corresponding path program 1 times [2021-11-22 15:25:55,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:25:55,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757496299] [2021-11-22 15:25:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:55,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:25:55,166 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:25:55,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1686143812] [2021-11-22 15:25:55,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:55,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:55,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:25:55,167 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:25:55,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 15:25:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:25:55,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:25:55,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:25:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:25:55,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:25:55,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:25:55,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757496299] [2021-11-22 15:25:55,660 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:25:55,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686143812] [2021-11-22 15:25:55,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686143812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:25:55,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:25:55,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:25:55,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240799199] [2021-11-22 15:25:55,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:25:55,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:25:55,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:25:55,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:25:55,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:25:55,662 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) [2021-11-22 15:25:55,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:25:55,730 INFO L93 Difference]: Finished difference Result 501 states and 594 transitions. [2021-11-22 15:25:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:25:55,730 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 [2021-11-22 15:25:55,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:25:55,732 INFO L225 Difference]: With dead ends: 501 [2021-11-22 15:25:55,732 INFO L226 Difference]: Without dead ends: 313 [2021-11-22 15:25:55,733 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 [2021-11-22 15:25:55,733 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 99 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:25:55,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 451 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:25:55,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-11-22 15:25:55,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 301. [2021-11-22 15:25:55,743 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) [2021-11-22 15:25:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 360 transitions. [2021-11-22 15:25:55,744 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 360 transitions. Word has length 96 [2021-11-22 15:25:55,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:25:55,745 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 360 transitions. [2021-11-22 15:25:55,745 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) [2021-11-22 15:25:55,745 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 360 transitions. [2021-11-22 15:25:55,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:25:55,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:25:55,747 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] [2021-11-22 15:25:55,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:25:55,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-22 15:25:55,963 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)] === [2021-11-22 15:25:55,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:25:55,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926464, now seen corresponding path program 1 times [2021-11-22 15:25:55,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:25:55,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983285162] [2021-11-22 15:25:55,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:55,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:25:55,994 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:25:55,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599041313] [2021-11-22 15:25:55,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:55,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:55,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:25:55,995 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:25:56,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 15:25:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:25:56,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:25:56,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:25:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:25:56,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:25:56,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:25:56,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983285162] [2021-11-22 15:25:56,417 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:25:56,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599041313] [2021-11-22 15:25:56,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599041313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:25:56,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:25:56,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:25:56,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785667515] [2021-11-22 15:25:56,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:25:56,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:25:56,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:25:56,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:25:56,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:25:56,419 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) [2021-11-22 15:25:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:25:56,635 INFO L93 Difference]: Finished difference Result 489 states and 586 transitions. [2021-11-22 15:25:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:25:56,636 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 [2021-11-22 15:25:56,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:25:56,638 INFO L225 Difference]: With dead ends: 489 [2021-11-22 15:25:56,638 INFO L226 Difference]: Without dead ends: 236 [2021-11-22 15:25:56,639 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 [2021-11-22 15:25:56,639 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 [2021-11-22 15:25:56,640 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] [2021-11-22 15:25:56,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-11-22 15:25:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2021-11-22 15:25:56,648 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) [2021-11-22 15:25:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 277 transitions. [2021-11-22 15:25:56,649 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 277 transitions. Word has length 103 [2021-11-22 15:25:56,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:25:56,649 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 277 transitions. [2021-11-22 15:25:56,649 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) [2021-11-22 15:25:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 277 transitions. [2021-11-22 15:25:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 15:25:56,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:25:56,651 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] [2021-11-22 15:25:56,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:25:56,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:56,865 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)] === [2021-11-22 15:25:56,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:25:56,866 INFO L85 PathProgramCache]: Analyzing trace with hash 541560538, now seen corresponding path program 1 times [2021-11-22 15:25:56,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:25:56,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741918351] [2021-11-22 15:25:56,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:56,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:25:56,880 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:25:56,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1520734119] [2021-11-22 15:25:56,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:25:56,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:25:56,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:25:56,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:25:56,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d72a7a-fac3-400a-b5df-d3b9a78f62ec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 15:25:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:25:57,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-22 15:25:57,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:25:57,142 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 [2021-11-22 15:25:57,146 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 [2021-11-22 15:25:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:57,221 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 [2021-11-22 15:25:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:57,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:57,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:57,294 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 [2021-11-22 15:25:58,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,302 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 [2021-11-22 15:25:58,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,313 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 [2021-11-22 15:25:58,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,410 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 [2021-11-22 15:25:58,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 15:25:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,490 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 [2021-11-22 15:25:58,504 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 [2021-11-22 15:25:58,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:25:58,523 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-22 15:25:58,524 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 [2021-11-22 15:26:00,019 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-22 15:26:00,019 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 [2021-11-22 15:26:00,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:02,077 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-22 15:26:02,078 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 [2021-11-22 15:26:02,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:02,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:10,747 WARN L227 SmtUtils]: Spent 8.57s 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) [2021-11-22 15:26:10,748 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-22 15:26:10,748 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 [2021-11-22 15:26:11,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:11,936 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 [2021-11-22 15:26:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,112 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 [2021-11-22 15:26:12,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:12,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:12,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:12,603 INFO L244 Elim1Store]: Index analysis took 252 ms [2021-11-22 15:26:12,604 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 [2021-11-22 15:26:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:13,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:13,341 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 [2021-11-22 15:26:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:26,250 WARN L227 SmtUtils]: Spent 10.49s 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) [2021-11-22 15:26:26,251 INFO L354 Elim1Store]: treesize reduction 19512, result has 2.6 percent of original size [2021-11-22 15:26:26,252 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 [2021-11-22 15:26:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:27,486 INFO L244 Elim1Store]: Index analysis took 378 ms [2021-11-22 15:26:27,488 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 [2021-11-22 15:26:27,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 15:26:28,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 15:26:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:28,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:28,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:28,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:28,748 INFO L244 Elim1Store]: Index analysis took 447 ms [2021-11-22 15:26:28,749 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 [2021-11-22 15:26:29,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 15:26:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:29,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:29,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:29,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:30,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:30,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:30,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:30,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:30,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:30,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:30,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:30,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:30,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:30,191 INFO L244 Elim1Store]: Index analysis took 299 ms [2021-11-22 15:26:30,192 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 [2021-11-22 15:26:30,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 15:26:30,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 15:26:31,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:31,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:31,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:31,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:31,652 INFO L244 Elim1Store]: Index analysis took 559 ms [2021-11-22 15:26:32,051 INFO L354 Elim1Store]: treesize reduction 251, result has 18.2 percent of original size [2021-11-22 15:26:32,052 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 [2021-11-22 15:26:32,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 15:26:33,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:33,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:33,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:33,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:33,366 INFO L244 Elim1Store]: Index analysis took 317 ms [2021-11-22 15:26:33,368 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 [2021-11-22 15:26:33,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 15:26:34,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:34,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:34,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:26:34,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:34,456 INFO L244 Elim1Store]: Index analysis took 468 ms [2021-11-22 15:26:35,299 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:26:35,299 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 [2021-11-22 15:27:31,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:31,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:31,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,020 INFO L244 Elim1Store]: Index analysis took 300 ms [2021-11-22 15:27:32,045 INFO L354 Elim1Store]: treesize reduction 312, result has 0.3 percent of original size [2021-11-22 15:27:32,046 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 [2021-11-22 15:27:32,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:32,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:32,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:32,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:32,325 INFO L244 Elim1Store]: Index analysis took 157 ms [2021-11-22 15:27:32,646 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:32,647 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 [2021-11-22 15:27:33,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:33,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:33,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,320 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-22 15:27:33,322 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 [2021-11-22 15:27:33,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,701 INFO L354 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2021-11-22 15:27:33,702 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 [2021-11-22 15:27:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:33,897 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-22 15:27:33,898 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 [2021-11-22 15:27:34,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:34,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:34,128 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-22 15:27:34,129 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 [2021-11-22 15:27:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,326 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:34,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-11-22 15:27:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,406 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:34,406 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 [2021-11-22 15:27:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,461 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:34,461 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 [2021-11-22 15:27:34,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,545 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:34,545 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 [2021-11-22 15:27:34,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,624 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:34,624 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 [2021-11-22 15:27:34,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,652 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:34,653 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 [2021-11-22 15:27:34,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:34,852 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:27:34,852 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 [2021-11-22 15:27:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,001 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 [2021-11-22 15:27:35,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:35,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,029 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:27:35,029 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 [2021-11-22 15:27:35,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:35,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,758 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-22 15:27:35,759 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 [2021-11-22 15:27:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,910 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-22 15:27:35,910 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 [2021-11-22 15:27:35,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:35,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:35,959 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-22 15:27:35,960 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 [2021-11-22 15:27:36,599 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-22 15:27:36,600 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 [2021-11-22 15:27:36,635 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-22 15:27:36,635 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 [2021-11-22 15:27:36,716 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-22 15:27:36,717 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 [2021-11-22 15:27:36,734 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:36,734 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 [2021-11-22 15:28:04,100 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-22 15:28:04,101 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 [2021-11-22 15:28:54,583 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-22 15:28:54,584 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 [2021-11-22 15:28:58,618 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-22 15:28:58,618 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 [2021-11-22 15:28:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:28:58,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:29:01,040 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 [2021-11-22 15:29:03,212 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 [2021-11-22 15:29:05,311 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