./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:21:32,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:21:32,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:21:32,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:21:32,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:21:32,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:21:32,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:21:32,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:21:32,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:21:32,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:21:32,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:21:32,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:21:32,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:21:32,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:21:32,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:21:32,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:21:32,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:21:32,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:21:32,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:21:32,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:21:32,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:21:32,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:21:32,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:21:32,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:21:32,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:21:32,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:21:32,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:21:32,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:21:32,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:21:32,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:21:32,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:21:32,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:21:32,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:21:32,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:21:32,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:21:32,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:21:32,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:21:32,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:21:32,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:21:32,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:21:32,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:21:32,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-20 07:21:32,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:21:32,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:21:32,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:21:32,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:21:32,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:21:32,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:21:32,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:21:32,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:21:32,882 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:21:32,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:21:32,883 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:21:32,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:21:32,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:21:32,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:21:32,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:21:32,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:21:32,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:21:32,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:21:32,885 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 07:21:32,885 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:21:32,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:21:32,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:21:32,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:21:32,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:21:32,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:21:32,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:21:32,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:21:32,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:21:32,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:21:32,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:21:32,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:21:32,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:21:32,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:21:32,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:21:32,889 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_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2021-11-20 07:21:33,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:21:33,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:21:33,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:21:33,238 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:21:33,239 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:21:33,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2021-11-20 07:21:33,309 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/data/4c292f99b/2ce25bdfbc1e46f2825a0b99ad5cc33d/FLAGa3ee693d6 [2021-11-20 07:21:34,071 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:21:34,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2021-11-20 07:21:34,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/data/4c292f99b/2ce25bdfbc1e46f2825a0b99ad5cc33d/FLAGa3ee693d6 [2021-11-20 07:21:34,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/data/4c292f99b/2ce25bdfbc1e46f2825a0b99ad5cc33d [2021-11-20 07:21:34,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:21:34,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:21:34,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:21:34,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:21:34,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:21:34,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:21:34" (1/1) ... [2021-11-20 07:21:34,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af94f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:34, skipping insertion in model container [2021-11-20 07:21:34,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:21:34" (1/1) ... [2021-11-20 07:21:34,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:21:34,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:21:35,005 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_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2021-11-20 07:21:35,407 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_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2021-11-20 07:21:35,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:21:35,434 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:21:35,490 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_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2021-11-20 07:21:35,641 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_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2021-11-20 07:21:35,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:21:35,691 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:21:35,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35 WrapperNode [2021-11-20 07:21:35,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:21:35,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:21:35,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:21:35,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:21:35,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:35,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:35,933 INFO L137 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3027 [2021-11-20 07:21:35,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:21:35,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:21:35,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:21:35,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:21:35,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:35,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:35,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:35,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:36,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:36,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:36,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:36,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:21:36,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:21:36,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:21:36,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:21:36,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (1/1) ... [2021-11-20 07:21:36,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:21:36,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:36,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:36,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:21:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:21:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 07:21:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 07:21:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:21:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:21:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:21:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:21:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:21:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:21:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:21:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:21:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:21:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:21:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:21:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:21:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:21:36,564 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:21:36,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:21:39,173 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:21:39,199 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:21:39,200 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 07:21:39,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:21:39 BoogieIcfgContainer [2021-11-20 07:21:39,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:21:39,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:21:39,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:21:39,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:21:39,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:21:34" (1/3) ... [2021-11-20 07:21:39,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f293e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:21:39, skipping insertion in model container [2021-11-20 07:21:39,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:35" (2/3) ... [2021-11-20 07:21:39,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f293e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:21:39, skipping insertion in model container [2021-11-20 07:21:39,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:21:39" (3/3) ... [2021-11-20 07:21:39,220 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test9-2.i [2021-11-20 07:21:39,227 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:21:39,228 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-20 07:21:39,291 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:21:39,299 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=FINITE_AUTOMATA, 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 [2021-11-20 07:21:39,299 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-20 07:21:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 1208 states, 694 states have (on average 1.9135446685878963) internal successors, (1328), 1202 states have internal predecessors, (1328), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:21:39,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:21:39,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:39,372 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:21:39,373 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:21:39,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:39,380 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-20 07:21:39,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:39,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719152868] [2021-11-20 07:21:39,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:39,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:39,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:39,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719152868] [2021-11-20 07:21:39,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719152868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:39,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:39,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:21:39,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096546489] [2021-11-20 07:21:39,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:39,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:21:39,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:39,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:21:39,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:21:39,645 INFO L87 Difference]: Start difference. First operand has 1208 states, 694 states have (on average 1.9135446685878963) internal successors, (1328), 1202 states have internal predecessors, (1328), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:39,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:39,876 INFO L93 Difference]: Finished difference Result 2414 states and 5166 transitions. [2021-11-20 07:21:39,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:21:39,879 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-11-20 07:21:39,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:39,934 INFO L225 Difference]: With dead ends: 2414 [2021-11-20 07:21:39,934 INFO L226 Difference]: Without dead ends: 1175 [2021-11-20 07:21:39,954 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 [2021-11-20 07:21:39,961 INFO L933 BasicCegarLoop]: 2265 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, 2265 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 [2021-11-20 07:21:39,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:21:39,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-11-20 07:21:40,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2021-11-20 07:21:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 662 states have (on average 1.8353474320241692) internal successors, (1215), 1169 states have internal predecessors, (1215), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:21:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2221 transitions. [2021-11-20 07:21:40,517 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2221 transitions. Word has length 7 [2021-11-20 07:21:40,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:40,517 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 2221 transitions. [2021-11-20 07:21:40,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2221 transitions. [2021-11-20 07:21:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:21:40,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:40,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:21:40,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:21:40,519 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:21:40,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:40,523 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-20 07:21:40,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:40,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295813134] [2021-11-20 07:21:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:40,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:40,578 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:21:40,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1136380471] [2021-11-20 07:21:40,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:40,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:40,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:40,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:21:40,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:21:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:40,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:21:40,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:40,774 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 [2021-11-20 07:21:40,780 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 [2021-11-20 07:21:40,821 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:21:40,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-20 07:21:40,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-20 07:21:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:40,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:21:40,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:40,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295813134] [2021-11-20 07:21:40,882 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:21:40,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136380471] [2021-11-20 07:21:40,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136380471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:40,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:40,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:21:40,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135767120] [2021-11-20 07:21:40,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:40,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:21:40,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:40,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:21:40,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:21:40,886 INFO L87 Difference]: Start difference. First operand 1175 states and 2221 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:44,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:44,166 INFO L93 Difference]: Finished difference Result 2292 states and 4372 transitions. [2021-11-20 07:21:44,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:21:44,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-11-20 07:21:44,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:44,185 INFO L225 Difference]: With dead ends: 2292 [2021-11-20 07:21:44,185 INFO L226 Difference]: Without dead ends: 2290 [2021-11-20 07:21:44,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:21:44,187 INFO L933 BasicCegarLoop]: 2675 mSDtfsCounter, 1185 mSDsluCounter, 5967 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 8642 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:44,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1685 Valid, 8642 Invalid, 1760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-20 07:21:44,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-11-20 07:21:44,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1181. [2021-11-20 07:21:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8293413173652695) internal successors, (1222), 1175 states have internal predecessors, (1222), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:21:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2228 transitions. [2021-11-20 07:21:44,610 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2228 transitions. Word has length 7 [2021-11-20 07:21:44,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:44,611 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2228 transitions. [2021-11-20 07:21:44,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2228 transitions. [2021-11-20 07:21:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-20 07:21:44,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:44,618 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] [2021-11-20 07:21:44,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:44,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-20 07:21:44,834 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:21:44,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:44,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1931275711, now seen corresponding path program 1 times [2021-11-20 07:21:44,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:44,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963229491] [2021-11-20 07:21:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:44,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:44,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:44,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963229491] [2021-11-20 07:21:44,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963229491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:44,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:44,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:21:44,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897309258] [2021-11-20 07:21:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:44,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:21:44,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:44,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:21:44,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:21:44,957 INFO L87 Difference]: Start difference. First operand 1181 states and 2228 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) [2021-11-20 07:21:46,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:46,132 INFO L93 Difference]: Finished difference Result 3322 states and 6406 transitions. [2021-11-20 07:21:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:21:46,133 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 [2021-11-20 07:21:46,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:46,154 INFO L225 Difference]: With dead ends: 3322 [2021-11-20 07:21:46,155 INFO L226 Difference]: Without dead ends: 2249 [2021-11-20 07:21:46,161 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 [2021-11-20 07:21:46,162 INFO L933 BasicCegarLoop]: 2696 mSDtfsCounter, 1089 mSDsluCounter, 4347 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 7043 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:46,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1589 Valid, 7043 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 07:21:46,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2021-11-20 07:21:46,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 1181. [2021-11-20 07:21:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8278443113772456) internal successors, (1221), 1175 states have internal predecessors, (1221), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:21:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2227 transitions. [2021-11-20 07:21:46,484 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2227 transitions. Word has length 44 [2021-11-20 07:21:46,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:46,485 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2227 transitions. [2021-11-20 07:21:46,485 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) [2021-11-20 07:21:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2227 transitions. [2021-11-20 07:21:46,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:21:46,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:46,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:21:46,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:21:46,495 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:21:46,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:46,496 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-20 07:21:46,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:46,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068483623] [2021-11-20 07:21:46,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:46,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:46,525 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:21:46,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380773585] [2021-11-20 07:21:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:46,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:46,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:46,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:21:46,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:21:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:46,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:21:46,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:46,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:21:46,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:46,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068483623] [2021-11-20 07:21:46,847 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:21:46,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380773585] [2021-11-20 07:21:46,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380773585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:46,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:46,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:21:46,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081299779] [2021-11-20 07:21:46,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:46,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:21:46,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:46,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:21:46,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:21:46,850 INFO L87 Difference]: Start difference. First operand 1181 states and 2227 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:46,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:46,969 INFO L93 Difference]: Finished difference Result 2375 states and 4477 transitions. [2021-11-20 07:21:46,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:21:46,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-20 07:21:46,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:46,980 INFO L225 Difference]: With dead ends: 2375 [2021-11-20 07:21:46,980 INFO L226 Difference]: Without dead ends: 1202 [2021-11-20 07:21:46,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:21:46,988 INFO L933 BasicCegarLoop]: 2201 mSDtfsCounter, 9 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4387 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 [2021-11-20 07:21:46,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 4387 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:21:46,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2021-11-20 07:21:47,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1201. [2021-11-20 07:21:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 688 states have (on average 1.8037790697674418) internal successors, (1241), 1195 states have internal predecessors, (1241), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:21:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 2247 transitions. [2021-11-20 07:21:47,233 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 2247 transitions. Word has length 57 [2021-11-20 07:21:47,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:47,233 INFO L470 AbstractCegarLoop]: Abstraction has 1201 states and 2247 transitions. [2021-11-20 07:21:47,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2247 transitions. [2021-11-20 07:21:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:21:47,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:47,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:21:47,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:47,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:47,458 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:21:47,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:47,458 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-20 07:21:47,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:47,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593781092] [2021-11-20 07:21:47,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:47,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:47,476 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:21:47,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619904996] [2021-11-20 07:21:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:47,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:47,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:47,478 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:21:47,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:21:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:47,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:21:47,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:47,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:21:47,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:47,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593781092] [2021-11-20 07:21:47,777 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:21:47,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619904996] [2021-11-20 07:21:47,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619904996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:47,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:47,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:21:47,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137486248] [2021-11-20 07:21:47,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:47,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:21:47,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:47,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:21:47,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:21:47,780 INFO L87 Difference]: Start difference. First operand 1201 states and 2247 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:47,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:47,946 INFO L93 Difference]: Finished difference Result 2384 states and 4476 transitions. [2021-11-20 07:21:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:21:47,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-20 07:21:47,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:47,958 INFO L225 Difference]: With dead ends: 2384 [2021-11-20 07:21:47,958 INFO L226 Difference]: Without dead ends: 1191 [2021-11-20 07:21:47,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:21:47,964 INFO L933 BasicCegarLoop]: 2203 mSDtfsCounter, 1196 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 4914 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 [2021-11-20 07:21:47,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 4914 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:21:47,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2021-11-20 07:21:48,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1187. [2021-11-20 07:21:48,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 674 states have (on average 1.8100890207715135) internal successors, (1220), 1181 states have internal predecessors, (1220), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:21:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2226 transitions. [2021-11-20 07:21:48,263 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2226 transitions. Word has length 57 [2021-11-20 07:21:48,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:48,263 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2226 transitions. [2021-11-20 07:21:48,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2226 transitions. [2021-11-20 07:21:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:21:48,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:48,265 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:21:48,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:48,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:48,478 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:21:48,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:48,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-20 07:21:48,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:48,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452369745] [2021-11-20 07:21:48,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:48,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:48,497 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:21:48,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [536044482] [2021-11-20 07:21:48,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:48,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:48,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:48,499 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:21:48,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:21:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:48,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:21:48,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:48,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:21:48,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:48,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452369745] [2021-11-20 07:21:48,924 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:21:48,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536044482] [2021-11-20 07:21:48,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536044482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:48,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:48,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:21:48,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330480488] [2021-11-20 07:21:48,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:48,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:21:48,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:48,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:21:48,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:21:48,927 INFO L87 Difference]: Start difference. First operand 1187 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:49,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:49,120 INFO L93 Difference]: Finished difference Result 3460 states and 6557 transitions. [2021-11-20 07:21:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:21:49,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-20 07:21:49,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:49,141 INFO L225 Difference]: With dead ends: 3460 [2021-11-20 07:21:49,141 INFO L226 Difference]: Without dead ends: 2281 [2021-11-20 07:21:49,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:21:49,147 INFO L933 BasicCegarLoop]: 2762 mSDtfsCounter, 1078 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:49,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1580 Valid, 4956 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:21:49,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2021-11-20 07:21:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2021-11-20 07:21:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1264 states have (on average 1.8441455696202531) internal successors, (2331), 2271 states have internal predecessors, (2331), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-20 07:21:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 4337 transitions. [2021-11-20 07:21:49,586 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 4337 transitions. Word has length 57 [2021-11-20 07:21:49,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:49,587 INFO L470 AbstractCegarLoop]: Abstraction has 2277 states and 4337 transitions. [2021-11-20 07:21:49,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 4337 transitions. [2021-11-20 07:21:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 07:21:49,588 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:49,589 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-20 07:21:49,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:49,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:49,802 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:21:49,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:49,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1888458446, now seen corresponding path program 1 times [2021-11-20 07:21:49,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:49,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821682907] [2021-11-20 07:21:49,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:49,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:49,820 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:21:49,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941809561] [2021-11-20 07:21:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:49,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:49,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:49,822 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:21:49,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:21:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-20 07:21:49,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:50,018 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 [2021-11-20 07:21:50,026 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 [2021-11-20 07:21:50,084 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:21:50,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-20 07:21:50,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-20 07:21:50,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:50,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-20 07:21:51,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2021-11-20 07:21:51,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-20 07:21:51,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,284 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 48 treesize of output 42 [2021-11-20 07:21:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:51,339 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 43 treesize of output 33 [2021-11-20 07:21:51,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2021-11-20 07:21:51,366 INFO L354 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2021-11-20 07:21:51,366 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 31 treesize of output 29 [2021-11-20 07:21:51,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 07:21:51,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2021-11-20 07:21:51,525 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:21:51,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 24 [2021-11-20 07:21:53,355 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-20 07:21:53,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2823 treesize of output 2272 [2021-11-20 07:21:53,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:21:58,721 WARN L227 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 311 DAG size of output: 84 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:21:58,723 INFO L354 Elim1Store]: treesize reduction 6541, result has 4.0 percent of original size [2021-11-20 07:21:58,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 3292 treesize of output 1828 [2021-11-20 07:21:58,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:00,159 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-20 07:22:00,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2021 treesize of output 1763 [2021-11-20 07:22:01,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:01,130 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 40 treesize of output 18 [2021-11-20 07:22:01,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:01,354 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 52 treesize of output 24 [2021-11-20 07:22:01,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:01,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:01,767 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 89 treesize of output 63 [2021-11-20 07:22:02,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:22:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:22:02,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:22:02,966 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-11-20 07:22:02,967 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 876 treesize of output 400 [2021-11-20 07:22:03,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:22:03,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:22:03,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:34,490 WARN L227 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 1408 DAG size of output: 355 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:23:34,493 INFO L354 Elim1Store]: treesize reduction 31640, result has 3.3 percent of original size [2021-11-20 07:23:34,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 330423 treesize of output 146476 [2021-11-20 07:23:37,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,594 INFO L244 Elim1Store]: Index analysis took 275 ms [2021-11-20 07:23:37,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:37,806 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:23:37,806 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 812 treesize of output 368 [2021-11-20 07:23:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,296 INFO L244 Elim1Store]: Index analysis took 408 ms [2021-11-20 07:23:39,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:39,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:23:39,661 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 9 case distinctions, treesize of input 940 treesize of output 418 [2021-11-20 07:23:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,162 INFO L244 Elim1Store]: Index analysis took 365 ms [2021-11-20 07:23:40,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,518 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:23:40,519 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 9 case distinctions, treesize of input 800 treesize of output 362 [2021-11-20 07:23:40,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:40,845 INFO L354 Elim1Store]: treesize reduction 427, result has 0.2 percent of original size [2021-11-20 07:23:40,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 287424 treesize of output 242115 [2021-11-20 07:23:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,447 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-20 07:23:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:23:47,724 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:23:47,725 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 1698 treesize of output 800 [2021-11-20 07:24:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:07,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:07,501 INFO L244 Elim1Store]: Index analysis took 944 ms [2021-11-20 07:24:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:07,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:07,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:08,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:08,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:08,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:08,164 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:24:08,164 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 9 case distinctions, treesize of input 1235 treesize of output 545 [2021-11-20 07:24:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:08,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:09,247 INFO L244 Elim1Store]: Index analysis took 903 ms [2021-11-20 07:24:09,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:09,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:09,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:09,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:09,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,044 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:24:10,044 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 9 case distinctions, treesize of input 1327 treesize of output 591 [2021-11-20 07:24:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,529 INFO L244 Elim1Store]: Index analysis took 362 ms [2021-11-20 07:24:10,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:10,820 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:24:10,821 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 10808 treesize of output 7804 [2021-11-20 07:24:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,292 INFO L244 Elim1Store]: Index analysis took 499 ms [2021-11-20 07:24:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:15,975 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:24:15,976 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 11 case distinctions, treesize of input 1471 treesize of output 643 [2021-11-20 07:24:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:17,247 INFO L244 Elim1Store]: Index analysis took 1148 ms [2021-11-20 07:24:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:17,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:17,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:17,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:17,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:17,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:17,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:17,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,226 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:24:18,227 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 12 case distinctions, treesize of input 1435 treesize of output 625 [2021-11-20 07:24:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:18,997 INFO L244 Elim1Store]: Index analysis took 563 ms [2021-11-20 07:24:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:19,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:19,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:19,374 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:24:19,374 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 664 treesize of output 300 [2021-11-20 07:24:19,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,314 INFO L244 Elim1Store]: Index analysis took 775 ms [2021-11-20 07:24:20,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:20,955 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:24:20,955 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 9 case distinctions, treesize of input 1447 treesize of output 631 [2021-11-20 07:24:21,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,306 INFO L244 Elim1Store]: Index analysis took 243 ms [2021-11-20 07:24:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,869 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:24:21,869 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 836 treesize of output 380 [2021-11-20 07:24:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:21,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:22,140 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 07:24:22,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11069 treesize of output 7227 [2021-11-20 07:24:22,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:22,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:22,311 INFO L354 Elim1Store]: treesize reduction 174, result has 0.6 percent of original size [2021-11-20 07:24:22,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 9543 treesize of output 6257 [2021-11-20 07:24:22,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:22,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:22,585 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 07:24:22,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 8568 treesize of output 5603 [2021-11-20 07:24:22,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:22,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:22,714 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 07:24:22,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 7628 treesize of output 4987 [2021-11-20 07:24:22,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:22,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:22,830 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 07:24:22,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6382 treesize of output 4173 [2021-11-20 07:24:22,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:22,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:22,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:22,953 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 07:24:22,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 5430 treesize of output 3050 [2021-11-20 07:24:22,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:22,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:23,106 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-20 07:24:23,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 5063 treesize of output 3482 [2021-11-20 07:24:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:23,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:23,209 INFO L354 Elim1Store]: treesize reduction 749, result has 0.1 percent of original size [2021-11-20 07:24:23,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 3883 treesize of output 2956 [2021-11-20 07:24:23,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:23,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:23,323 INFO L354 Elim1Store]: treesize reduction 763, result has 0.1 percent of original size [2021-11-20 07:24:23,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 2932 treesize of output 2063 [2021-11-20 07:24:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:23,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:23,496 INFO L354 Elim1Store]: treesize reduction 2699, result has 0.0 percent of original size [2021-11-20 07:24:23,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 1925 treesize of output 1263 [2021-11-20 07:24:24,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:24,410 INFO L354 Elim1Store]: treesize reduction 1200, result has 6.5 percent of original size [2021-11-20 07:24:24,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 828 treesize of output 836 [2021-11-20 07:24:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:24,677 INFO L354 Elim1Store]: treesize reduction 292, result has 15.4 percent of original size [2021-11-20 07:24:24,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 198 treesize of output 185 [2021-11-20 07:24:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:24,712 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 36 treesize of output 16 [2021-11-20 07:24:25,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:25,580 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-20 07:24:25,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 347 treesize of output 250 [2021-11-20 07:24:25,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:25,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:25,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:25,777 INFO L354 Elim1Store]: treesize reduction 946, result has 9.6 percent of original size [2021-11-20 07:24:25,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 298 treesize of output 291 [2021-11-20 07:24:25,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:24:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:24:25,825 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-20 07:24:25,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 247 treesize of output 210 [2021-11-20 07:24:26,610 INFO L354 Elim1Store]: treesize reduction 874, result has 25.2 percent of original size [2021-11-20 07:24:26,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 37 case distinctions, treesize of input 247 treesize of output 428 [2021-11-20 07:24:26,635 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 07:24:26,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 407 treesize of output 314 [2021-11-20 07:24:26,658 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-11-20 07:24:26,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 305 treesize of output 256 [2021-11-20 07:24:26,757 INFO L354 Elim1Store]: treesize reduction 244, result has 11.6 percent of original size [2021-11-20 07:24:26,757 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 31 case distinctions, treesize of input 226 treesize of output 243 [2021-11-20 07:24:56,034 INFO L354 Elim1Store]: treesize reduction 344, result has 23.7 percent of original size [2021-11-20 07:24:56,035 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 36 case distinctions, treesize of input 290 treesize of output 317 [2021-11-20 07:25:49,495 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-20 07:25:49,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 262 treesize of output 134 [2021-11-20 07:25:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:25:49,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:25:49,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:49,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821682907] [2021-11-20 07:25:49,535 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:25:49,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941809561] [2021-11-20 07:25:49,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941809561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:49,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:49,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 07:25:49,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358879207] [2021-11-20 07:25:49,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:49,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 07:25:49,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:49,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 07:25:49,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:25:49,538 INFO L87 Difference]: Start difference. First operand 2277 states and 4337 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:25:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:57,967 INFO L93 Difference]: Finished difference Result 2306 states and 4377 transitions. [2021-11-20 07:25:57,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:25:57,968 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2021-11-20 07:25:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:57,995 INFO L225 Difference]: With dead ends: 2306 [2021-11-20 07:25:57,995 INFO L226 Difference]: Without dead ends: 2305 [2021-11-20 07:25:57,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:25:57,998 INFO L933 BasicCegarLoop]: 2185 mSDtfsCounter, 113 mSDsluCounter, 9894 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 12079 SdHoareTripleChecker+Invalid, 3476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 593 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:57,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 12079 Invalid, 3476 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [523 Valid, 2360 Invalid, 0 Unknown, 593 Unchecked, 7.6s Time] [2021-11-20 07:25:58,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states. [2021-11-20 07:25:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 2303. [2021-11-20 07:25:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 1287 states have (on average 1.832167832167832) internal successors, (2358), 2295 states have internal predecessors, (2358), 1005 states have call successors, (1005), 2 states have call predecessors, (1005), 3 states have return successors, (1010), 7 states have call predecessors, (1010), 1005 states have call successors, (1010) [2021-11-20 07:25:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 4373 transitions. [2021-11-20 07:25:58,342 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 4373 transitions. Word has length 72 [2021-11-20 07:25:58,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:58,343 INFO L470 AbstractCegarLoop]: Abstraction has 2303 states and 4373 transitions. [2021-11-20 07:25:58,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:25:58,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 4373 transitions. [2021-11-20 07:25:58,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 07:25:58,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:58,345 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-20 07:25:58,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:25:58,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-20 07:25:58,570 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:25:58,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:58,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1495431436, now seen corresponding path program 1 times [2021-11-20 07:25:58,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:58,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676698003] [2021-11-20 07:25:58,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:58,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:58,603 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:25:58,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [921406996] [2021-11-20 07:25:58,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:58,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:25:58,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:25:58,611 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:25:58,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:25:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:25:58,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:25:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:25:59,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:25:59,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:59,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676698003] [2021-11-20 07:25:59,014 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:25:59,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921406996] [2021-11-20 07:25:59,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921406996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:59,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:59,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:25:59,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403912484] [2021-11-20 07:25:59,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:59,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:25:59,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:59,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:25:59,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:25:59,016 INFO L87 Difference]: Start difference. First operand 2303 states and 4373 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:25:59,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:59,191 INFO L93 Difference]: Finished difference Result 4533 states and 8661 transitions. [2021-11-20 07:25:59,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:25:59,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2021-11-20 07:25:59,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:59,215 INFO L225 Difference]: With dead ends: 4533 [2021-11-20 07:25:59,215 INFO L226 Difference]: Without dead ends: 2283 [2021-11-20 07:25:59,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:25:59,228 INFO L933 BasicCegarLoop]: 2211 mSDtfsCounter, 2 mSDsluCounter, 4418 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6629 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:59,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 6629 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:25:59,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2021-11-20 07:25:59,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 2280. [2021-11-20 07:25:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2280 states, 1266 states have (on average 1.8436018957345972) internal successors, (2334), 2274 states have internal predecessors, (2334), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2021-11-20 07:25:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 4341 transitions. [2021-11-20 07:25:59,716 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 4341 transitions. Word has length 72 [2021-11-20 07:25:59,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:59,717 INFO L470 AbstractCegarLoop]: Abstraction has 2280 states and 4341 transitions. [2021-11-20 07:25:59,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:25:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 4341 transitions. [2021-11-20 07:25:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 07:25:59,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:59,720 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-11-20 07:25:59,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:25:59,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:25:59,934 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:25:59,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:59,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2037115948, now seen corresponding path program 1 times [2021-11-20 07:25:59,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:59,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785453426] [2021-11-20 07:25:59,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:59,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:59,972 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:25:59,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1821563317] [2021-11-20 07:25:59,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:59,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:25:59,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:25:59,974 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:25:59,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 07:26:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:00,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-20 07:26:00,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:26:00,194 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 [2021-11-20 07:26:00,209 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 [2021-11-20 07:26:00,304 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:26:00,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-20 07:26:00,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-20 07:26:00,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:00,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 07:26:02,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2021-11-20 07:26:02,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-20 07:26:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,227 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 48 treesize of output 42 [2021-11-20 07:26:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:02,307 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 43 treesize of output 33 [2021-11-20 07:26:02,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 07:26:02,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2021-11-20 07:26:02,364 INFO L354 Elim1Store]: treesize reduction 70, result has 23.1 percent of original size [2021-11-20 07:26:02,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 52 [2021-11-20 07:26:02,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2021-11-20 07:26:02,610 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:26:02,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 45 [2021-11-20 07:26:02,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-11-20 07:26:11,425 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-20 07:26:11,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 96 [2021-11-20 07:26:11,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:11,493 INFO L354 Elim1Store]: treesize reduction 126, result has 16.0 percent of original size [2021-11-20 07:26:11,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 131 [2021-11-20 07:26:11,533 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-20 07:26:11,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 112 [2021-11-20 07:26:21,685 WARN L227 SmtUtils]: Spent 7.74s on a formula simplification. DAG size of input: 93 DAG size of output: 39 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:26:21,686 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-20 07:26:21,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2888 treesize of output 2358 [2021-11-20 07:26:21,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:31,335 WARN L227 SmtUtils]: Spent 9.61s on a formula simplification. DAG size of input: 136 DAG size of output: 57 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:26:31,336 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-20 07:26:31,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 3415 treesize of output 3120 [2021-11-20 07:26:31,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:31,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:31,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:26:48,637 WARN L227 SmtUtils]: Spent 17.21s on a formula simplification. DAG size of input: 555 DAG size of output: 146 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:26:48,638 INFO L354 Elim1Store]: treesize reduction 12038, result has 5.4 percent of original size [2021-11-20 07:26:48,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 4569 treesize of output 2815 [2021-11-20 07:26:49,509 INFO L354 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2021-11-20 07:26:49,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 10490 treesize of output 10494 [2021-11-20 07:27:06,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:06,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:06,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:06,753 INFO L244 Elim1Store]: Index analysis took 381 ms [2021-11-20 07:27:06,755 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 0 case distinctions, treesize of input 891 treesize of output 409 [2021-11-20 07:27:08,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:08,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:08,531 INFO L244 Elim1Store]: Index analysis took 406 ms [2021-11-20 07:27:08,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 978 treesize of output 452 [2021-11-20 07:27:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:09,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2021-11-20 07:27:09,262 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-20 07:27:09,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 583 treesize of output 408 [2021-11-20 07:27:09,324 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-20 07:27:09,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 518 treesize of output 482 [2021-11-20 07:27:10,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:10,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:10,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:10,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:10,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:10,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:10,401 INFO L354 Elim1Store]: treesize reduction 3158, result has 0.0 percent of original size [2021-11-20 07:27:10,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 15833 treesize of output 15337 [2021-11-20 07:27:10,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:10,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:10,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:10,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:11,840 INFO L354 Elim1Store]: treesize reduction 21836, result has 0.7 percent of original size [2021-11-20 07:27:11,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 14994 treesize of output 14136 [2021-11-20 07:27:12,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:12,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:12,216 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:27:12,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 160 treesize of output 91 [2021-11-20 07:27:12,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:12,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:12,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:12,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:19,909 WARN L227 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 471 DAG size of output: 136 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:27:19,910 INFO L354 Elim1Store]: treesize reduction 16608, result has 2.0 percent of original size [2021-11-20 07:27:19,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 17 new quantified variables, introduced 30 case distinctions, treesize of input 112974 treesize of output 56219 [2021-11-20 07:27:20,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 07:27:20,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:20,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:20,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:20,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:20,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:20,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:20,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:20,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:20,635 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-20 07:27:20,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1704 treesize of output 754 [2021-11-20 07:27:20,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 07:27:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:21,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:21,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:21,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:21,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:21,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:21,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:21,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:21,532 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-20 07:27:21,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1648 treesize of output 726 [2021-11-20 07:27:21,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 07:27:21,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 07:27:22,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:22,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:22,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:22,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:22,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:22,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:22,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:22,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:22,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:22,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:22,588 INFO L244 Elim1Store]: Index analysis took 327 ms [2021-11-20 07:27:22,757 INFO L354 Elim1Store]: treesize reduction 197, result has 22.7 percent of original size [2021-11-20 07:27:22,758 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 6 new quantified variables, introduced 4 case distinctions, treesize of input 1743 treesize of output 833 [2021-11-20 07:27:22,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 07:27:23,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 07:27:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:23,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:23,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:23,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:23,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:23,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:23,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:23,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:23,471 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-20 07:27:23,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1720 treesize of output 770 [2021-11-20 07:27:23,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 07:27:24,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:24,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:24,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:27:24,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:27:24,381 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 0 case distinctions, treesize of input 1527 treesize of output 687 [2021-11-20 07:28:09,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:09,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:09,594 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-20 07:28:09,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 14 new quantified variables, introduced 13 case distinctions, treesize of input 9276 treesize of output 6586 [2021-11-20 07:28:09,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:09,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:09,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:09,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:09,720 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-20 07:28:09,721 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 12 case distinctions, treesize of input 5400 treesize of output 4896 [2021-11-20 07:28:09,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:09,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:09,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:09,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:09,852 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-20 07:28:09,853 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 12 case distinctions, treesize of input 4890 treesize of output 4386 [2021-11-20 07:28:12,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:12,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:12,123 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-20 07:28:12,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1319 treesize of output 627 [2021-11-20 07:28:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,276 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:28:12,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 137 treesize of output 73 [2021-11-20 07:28:12,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,336 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:28:12,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 141 treesize of output 73 [2021-11-20 07:28:12,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:12,364 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:28:12,365 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 8 new quantified variables, introduced 15 case distinctions, treesize of input 1004 treesize of output 522 [2021-11-20 07:28:12,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:12,396 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:28:12,397 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 8 new quantified variables, introduced 15 case distinctions, treesize of input 876 treesize of output 382 [2021-11-20 07:28:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:12,424 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 07:28:12,425 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 7 new quantified variables, introduced 9 case distinctions, treesize of input 744 treesize of output 527 [2021-11-20 07:28:12,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:12,449 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 07:28:12,449 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 7 new quantified variables, introduced 9 case distinctions, treesize of input 616 treesize of output 459 [2021-11-20 07:28:12,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:12,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:12,470 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-20 07:28:12,471 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 7 new quantified variables, introduced 12 case distinctions, treesize of input 484 treesize of output 373 [2021-11-20 07:28:15,153 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#value| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|v_#Ultimate.C_memset_#t~loopctr237_6| Int)) (let ((.cse0 (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr237_6|))) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 0))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 |#Ultimate.C_memset_#value|))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 (mod |#Ultimate.C_memset_#value| 256))))))) is different from true [2021-11-20 07:28:15,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:15,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:15,331 INFO L354 Elim1Store]: treesize reduction 188, result has 14.9 percent of original size [2021-11-20 07:28:15,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 332 treesize of output 176 [2021-11-20 07:28:15,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:15,391 INFO L354 Elim1Store]: treesize reduction 132, result has 21.4 percent of original size [2021-11-20 07:28:15,391 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 330 treesize of output 280 [2021-11-20 07:28:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:15,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:15,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:15,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:15,537 INFO L354 Elim1Store]: treesize reduction 752, result has 9.2 percent of original size [2021-11-20 07:28:15,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 25 case distinctions, treesize of input 359 treesize of output 360 [2021-11-20 07:28:16,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:16,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,647 INFO L354 Elim1Store]: treesize reduction 322, result has 10.8 percent of original size [2021-11-20 07:28:16,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 488 treesize of output 279 [2021-11-20 07:28:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,895 INFO L354 Elim1Store]: treesize reduction 932, result has 9.8 percent of original size [2021-11-20 07:28:16,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 41 case distinctions, treesize of input 439 treesize of output 435 [2021-11-20 07:28:16,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:28:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:28:16,960 INFO L354 Elim1Store]: treesize reduction 232, result has 16.2 percent of original size [2021-11-20 07:28:16,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 388 treesize of output 304 [2021-11-20 07:28:17,597 INFO L354 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2021-11-20 07:28:17,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 366 treesize of output 214 [2021-11-20 07:28:17,616 INFO L354 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2021-11-20 07:28:17,617 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 199 treesize of output 169 [2021-11-20 07:28:17,904 INFO L354 Elim1Store]: treesize reduction 608, result has 12.9 percent of original size [2021-11-20 07:28:17,905 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 165 treesize of output 163 [2021-11-20 07:28:18,031 INFO L354 Elim1Store]: treesize reduction 396, result has 7.7 percent of original size [2021-11-20 07:28:18,032 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 40 case distinctions, treesize of input 139 treesize of output 151 [2021-11-20 07:28:18,628 INFO L354 Elim1Store]: treesize reduction 268, result has 15.7 percent of original size [2021-11-20 07:28:18,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 90 treesize of output 96 [2021-11-20 07:28:19,272 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-20 07:28:19,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 70 treesize of output 38 [2021-11-20 07:28:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2021-11-20 07:28:19,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:28:38,989 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_13 Int) (v_DerPreprocessor_14 Int) (v_DerPreprocessor_17 Int) (v_DerPreprocessor_15 Int) (v_DerPreprocessor_16 Int) (|v_#Ultimate.C_memset_#ptr.offset_5| Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (|v_#Ultimate.C_memset_#value_4| Int) (|v_#Ultimate.C_memset_#t~loopctr237_11| Int)) (<= (select (select (let ((.cse10 (+ |v_#Ultimate.C_memset_#t~loopctr237_11| |v_#Ultimate.C_memset_#ptr.offset_5|))) (let ((.cse14 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem51#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem51#1.base|) .cse10 (mod |v_#Ultimate.C_memset_#value_4| 256)))) (.cse13 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem51#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem51#1.base|) .cse10 0))) (.cse12 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse7 (select (select .cse13 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse9 (+ 12 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)))) (let ((.cse1 (select (let ((.cse11 (store .cse13 .cse7 (store (select .cse13 .cse7) .cse9 v_DerPreprocessor_16)))) (select .cse11 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) (select (select (store .cse14 .cse7 (store (select .cse14 .cse7) .cse9 v_DerPreprocessor_17)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)))) (let ((.cse0 (let ((.cse2 (let ((.cse3 (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem51#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_#t~mem51#1.base|) .cse10 |v_#Ultimate.C_memset_#value_4|)))) (store .cse6 .cse7 (let ((.cse8 (select .cse6 .cse7))) (store .cse8 .cse9 (+ (select .cse8 .cse9) 1))))))) (store .cse3 .cse1 (let ((.cse4 (select .cse3 .cse1)) (.cse5 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse4 .cse5 (+ (select .cse4 .cse5) 1))))))) (store .cse2 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_15) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_14))))) (store .cse0 .cse1 (store (select .cse0 .cse1) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_13))))))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 2147483646)) is different from false [2021-11-20 07:28:39,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:28:39,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785453426] [2021-11-20 07:28:39,012 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:28:39,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821563317] [2021-11-20 07:28:39,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821563317] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:28:39,013 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:28:39,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-11-20 07:28:39,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950905315] [2021-11-20 07:28:39,013 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-20 07:28:39,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 07:28:39,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:28:39,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 07:28:39,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=500, Unknown=14, NotChecked=94, Total=702 [2021-11-20 07:28:39,015 INFO L87 Difference]: Start difference. First operand 2280 states and 4341 transitions. Second operand has 20 states, 17 states have (on average 4.117647058823529) internal successors, (70), 19 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:28:56,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:28:56,947 INFO L93 Difference]: Finished difference Result 2316 states and 4388 transitions. [2021-11-20 07:28:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 07:28:56,948 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 4.117647058823529) internal successors, (70), 19 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-20 07:28:56,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:28:56,974 INFO L225 Difference]: With dead ends: 2316 [2021-11-20 07:28:56,975 INFO L226 Difference]: Without dead ends: 2313 [2021-11-20 07:28:56,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 36.9s TimeCoverageRelationStatistics Valid=112, Invalid=582, Unknown=16, NotChecked=102, Total=812 [2021-11-20 07:28:56,978 INFO L933 BasicCegarLoop]: 2185 mSDtfsCounter, 95 mSDsluCounter, 20796 mSDsCounter, 0 mSdLazyCounter, 3446 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 22981 SdHoareTripleChecker+Invalid, 9504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 3446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5545 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:28:56,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 22981 Invalid, 9504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [513 Valid, 3446 Invalid, 0 Unknown, 5545 Unchecked, 13.4s Time] [2021-11-20 07:28:56,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2021-11-20 07:28:57,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 2311. [2021-11-20 07:28:57,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 1293 states have (on average 1.8298530549110597) internal successors, (2366), 2302 states have internal predecessors, (2366), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 5 states have return successors, (1011), 7 states have call predecessors, (1011), 1005 states have call successors, (1011) [2021-11-20 07:28:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 4382 transitions. [2021-11-20 07:28:57,502 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 4382 transitions. Word has length 74 [2021-11-20 07:28:57,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:28:57,504 INFO L470 AbstractCegarLoop]: Abstraction has 2311 states and 4382 transitions. [2021-11-20 07:28:57,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 4.117647058823529) internal successors, (70), 19 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:28:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4382 transitions. [2021-11-20 07:28:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 07:28:57,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:28:57,505 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-11-20 07:28:57,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:28:57,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:28:57,722 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:28:57,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:28:57,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1644088938, now seen corresponding path program 1 times [2021-11-20 07:28:57,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:28:57,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188386075] [2021-11-20 07:28:57,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:28:57,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:28:57,741 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:28:57,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14512822] [2021-11-20 07:28:57,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:28:57,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:28:57,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:28:57,743 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:28:57,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 07:28:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:58,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:28:58,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:28:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 07:28:58,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:28:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 07:28:58,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:28:58,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188386075] [2021-11-20 07:28:58,604 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:28:58,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14512822] [2021-11-20 07:28:58,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14512822] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:28:58,604 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:28:58,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-20 07:28:58,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002649229] [2021-11-20 07:28:58,605 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:28:58,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:28:58,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:28:58,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:28:58,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:28:58,607 INFO L87 Difference]: Start difference. First operand 2311 states and 4382 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 07:28:58,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:28:58,904 INFO L93 Difference]: Finished difference Result 4552 states and 8688 transitions. [2021-11-20 07:28:58,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:28:58,905 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 74 [2021-11-20 07:28:58,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:28:58,931 INFO L225 Difference]: With dead ends: 4552 [2021-11-20 07:28:58,931 INFO L226 Difference]: Without dead ends: 2297 [2021-11-20 07:28:58,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:28:58,948 INFO L933 BasicCegarLoop]: 2211 mSDtfsCounter, 23 mSDsluCounter, 4420 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 6631 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:28:58,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 6631 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:28:58,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2021-11-20 07:28:59,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2295. [2021-11-20 07:28:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 1279 states have (on average 1.8397185301016419) internal successors, (2353), 2287 states have internal predecessors, (2353), 1004 states have call successors, (1004), 4 states have call predecessors, (1004), 4 states have return successors, (1006), 5 states have call predecessors, (1006), 1004 states have call successors, (1006) [2021-11-20 07:28:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 4363 transitions. [2021-11-20 07:28:59,551 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 4363 transitions. Word has length 74 [2021-11-20 07:28:59,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:28:59,552 INFO L470 AbstractCegarLoop]: Abstraction has 2295 states and 4363 transitions. [2021-11-20 07:28:59,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 07:28:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 4363 transitions. [2021-11-20 07:28:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-20 07:28:59,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:28:59,554 INFO L514 BasicCegarLoop]: trace histogram [6, 2, 2, 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] [2021-11-20 07:28:59,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:28:59,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 07:28:59,769 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:28:59,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:28:59,770 INFO L85 PathProgramCache]: Analyzing trace with hash 379560114, now seen corresponding path program 2 times [2021-11-20 07:28:59,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:28:59,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942744913] [2021-11-20 07:28:59,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:28:59,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:28:59,788 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:28:59,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703544547] [2021-11-20 07:28:59,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:28:59,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:28:59,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:28:59,799 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:28:59,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6019cd-a11b-490d-bb55-4f5f4f48ed5e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 07:29:20,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:29:20,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:29:20,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-20 07:29:20,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:29:20,808 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 [2021-11-20 07:29:20,827 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 [2021-11-20 07:29:20,945 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:29:20,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-20 07:29:21,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-20 07:29:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:21,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-20 07:29:23,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2021-11-20 07:29:23,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-20 07:29:23,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,198 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 48 treesize of output 42 [2021-11-20 07:29:23,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 07:29:23,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2021-11-20 07:29:23,370 INFO L354 Elim1Store]: treesize reduction 70, result has 23.1 percent of original size [2021-11-20 07:29:23,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 50 [2021-11-20 07:29:23,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:23,417 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 43 treesize of output 33 [2021-11-20 07:29:23,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 58 [2021-11-20 07:29:23,732 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:29:23,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 46 [2021-11-20 07:29:23,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2021-11-20 07:29:37,509 INFO L354 Elim1Store]: treesize reduction 104, result has 15.4 percent of original size [2021-11-20 07:29:37,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 115 [2021-11-20 07:29:37,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:29:37,714 INFO L354 Elim1Store]: treesize reduction 328, result has 10.6 percent of original size [2021-11-20 07:29:37,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 157 treesize of output 166 [2021-11-20 07:29:37,832 INFO L354 Elim1Store]: treesize reduction 182, result has 17.6 percent of original size [2021-11-20 07:29:37,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 178 treesize of output 181 [2021-11-20 07:29:50,144 WARN L227 SmtUtils]: Spent 9.76s on a formula simplification. DAG size of input: 123 DAG size of output: 50 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:29:50,145 INFO L354 Elim1Store]: treesize reduction 742, result has 16.9 percent of original size [2021-11-20 07:29:50,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 2964 treesize of output 2449 [2021-11-20 07:29:50,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:30:00,662 WARN L227 SmtUtils]: Spent 10.49s on a formula simplification. DAG size of input: 183 DAG size of output: 74 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:30:00,663 INFO L354 Elim1Store]: treesize reduction 1158, result has 19.2 percent of original size [2021-11-20 07:30:00,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 19 case distinctions, treesize of input 3603 treesize of output 3355 [2021-11-20 07:30:00,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:30:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:30:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:30:21,216 WARN L227 SmtUtils]: Spent 20.46s on a formula simplification. DAG size of input: 643 DAG size of output: 167 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:30:21,217 INFO L354 Elim1Store]: treesize reduction 14272, result has 6.4 percent of original size [2021-11-20 07:30:21,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 43 case distinctions, treesize of input 4913 treesize of output 3371 [2021-11-20 07:30:22,162 INFO L354 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2021-11-20 07:30:22,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21998 treesize of output 21998 [2021-11-20 07:30:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:30:22,614 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-20 07:30:23,310 INFO L354 Elim1Store]: treesize reduction 12, result has 75.5 percent of original size [2021-11-20 07:30:23,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 98 [2021-11-20 07:30:24,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:30:24,063 INFO L244 Elim1Store]: Index analysis took 304 ms [2021-11-20 07:30:24,756 INFO L354 Elim1Store]: treesize reduction 36, result has 50.7 percent of original size [2021-11-20 07:30:24,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 128 treesize of output 104