./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:49:42,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:49:42,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:49:42,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:49:42,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:49:42,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:49:42,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:49:42,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:49:42,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:49:42,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:49:42,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:49:42,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:49:42,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:49:42,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:49:42,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:49:42,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:49:42,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:49:42,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:49:42,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:49:42,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:49:42,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:49:42,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:49:42,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:49:42,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:49:42,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:49:42,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:49:42,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:49:42,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:49:42,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:49:42,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:49:42,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:49:42,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:49:42,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:49:42,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:49:42,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:49:42,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:49:42,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:49:42,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:49:42,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:49:42,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:49:42,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:49:42,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:49:42,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:49:42,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:49:42,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:49:42,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:49:42,878 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:49:42,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:49:42,878 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:49:42,879 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:49:42,879 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:49:42,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:49:42,880 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:49:42,880 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:49:42,881 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:49:42,881 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:49:42,881 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:49:42,882 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:49:42,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:49:42,883 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:49:42,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:49:42,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:49:42,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:49:42,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:49:42,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:49:42,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:49:42,886 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:49:42,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:49:42,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:49:42,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:49:42,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:49:42,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:49:42,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:49:42,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:49:42,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:49:42,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:49:42,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:49:42,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:49:42,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:49:42,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:49:42,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:49:42,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:49:42,892 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-12 23:49:43,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:49:43,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:49:43,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:49:43,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:49:43,204 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:49:43,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-12 23:49:43,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data/43cd7b6cd/806ef70b94f648c4a9f2ab66c8e177e5/FLAG7d4258217 [2021-11-12 23:49:43,750 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:49:43,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-12 23:49:43,789 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data/43cd7b6cd/806ef70b94f648c4a9f2ab66c8e177e5/FLAG7d4258217 [2021-11-12 23:49:44,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data/43cd7b6cd/806ef70b94f648c4a9f2ab66c8e177e5 [2021-11-12 23:49:44,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:49:44,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:49:44,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:49:44,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:49:44,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:49:44,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5ad9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44, skipping insertion in model container [2021-11-12 23:49:44,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:49:44,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:49:44,509 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-12 23:49:44,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:49:44,664 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:49:44,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-12 23:49:44,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:49:44,815 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:49:44,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44 WrapperNode [2021-11-12 23:49:44,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:49:44,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:49:44,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:49:44,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:49:44,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:49:44,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:49:44,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:49:44,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:49:44,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:49:44,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:49:44,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:49:44,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:49:44,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (1/1) ... [2021-11-12 23:49:44,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:49:45,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:49:45,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:49:45,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:49:45,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:49:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:49:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:49:45,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:49:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:49:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:49:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-12 23:49:45,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-12 23:49:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:49:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-12 23:49:45,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-12 23:49:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-12 23:49:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-12 23:49:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:49:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-12 23:49:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-12 23:49:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:49:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-12 23:49:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-12 23:49:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:49:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:49:45,802 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-11-12 23:49:45,802 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2021-11-12 23:49:48,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:49:48,418 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-12 23:49:48,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:49:48 BoogieIcfgContainer [2021-11-12 23:49:48,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:49:48,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:49:48,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:49:48,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:49:48,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:49:44" (1/3) ... [2021-11-12 23:49:48,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1145406c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:49:48, skipping insertion in model container [2021-11-12 23:49:48,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:44" (2/3) ... [2021-11-12 23:49:48,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1145406c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:49:48, skipping insertion in model container [2021-11-12 23:49:48,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:49:48" (3/3) ... [2021-11-12 23:49:48,429 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_read_write_lock-1.i [2021-11-12 23:49:48,434 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:49:48,435 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:49:48,483 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:49:48,490 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 [2021-11-12 23:49:48,490 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:49:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 86 states have internal predecessors, (117), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-12 23:49:48,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-12 23:49:48,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:48,529 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:49:48,530 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:49:48,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:48,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1819931228, now seen corresponding path program 1 times [2021-11-12 23:49:48,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:49:48,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720429101] [2021-11-12 23:49:48,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:48,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:49:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-12 23:49:48,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:49:48,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720429101] [2021-11-12 23:49:48,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720429101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:48,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:48,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:49:48,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016654219] [2021-11-12 23:49:48,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:48,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:49:48,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:49:48,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:49:48,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:49:48,977 INFO L87 Difference]: Start difference. First operand has 145 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 86 states have internal predecessors, (117), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-12 23:49:51,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:49:51,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:51,241 INFO L93 Difference]: Finished difference Result 289 states and 441 transitions. [2021-11-12 23:49:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:49:51,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 70 [2021-11-12 23:49:51,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:51,254 INFO L225 Difference]: With dead ends: 289 [2021-11-12 23:49:51,254 INFO L226 Difference]: Without dead ends: 145 [2021-11-12 23:49:51,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:49:51,263 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 2 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2160.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2204.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:51,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 386 Invalid, 52 Unknown, 0 Unchecked, 5.31ms Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 2204.42ms Time] [2021-11-12 23:49:51,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-12 23:49:51,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2021-11-12 23:49:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-12 23:49:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 219 transitions. [2021-11-12 23:49:51,323 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 219 transitions. Word has length 70 [2021-11-12 23:49:51,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:51,323 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 219 transitions. [2021-11-12 23:49:51,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-12 23:49:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 219 transitions. [2021-11-12 23:49:51,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-12 23:49:51,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:51,331 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:49:51,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:49:51,332 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:49:51,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:51,333 INFO L85 PathProgramCache]: Analyzing trace with hash -977068484, now seen corresponding path program 1 times [2021-11-12 23:49:51,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:49:51,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192329342] [2021-11-12 23:49:51,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:51,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:49:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-12 23:49:51,471 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:49:51,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192329342] [2021-11-12 23:49:51,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192329342] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:51,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:51,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:49:51,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579918660] [2021-11-12 23:49:51,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:51,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:49:51,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:49:51,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:49:51,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:49:51,479 INFO L87 Difference]: Start difference. First operand 144 states and 219 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-12 23:49:53,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:49:53,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:53,722 INFO L93 Difference]: Finished difference Result 287 states and 438 transitions. [2021-11-12 23:49:53,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:49:53,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 72 [2021-11-12 23:49:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:53,726 INFO L225 Difference]: With dead ends: 287 [2021-11-12 23:49:53,729 INFO L226 Difference]: Without dead ends: 145 [2021-11-12 23:49:53,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:49:53,737 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2152.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2213.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:53,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 385 Invalid, 49 Unknown, 0 Unchecked, 3.48ms Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 2213.05ms Time] [2021-11-12 23:49:53,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-12 23:49:53,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2021-11-12 23:49:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-12 23:49:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 220 transitions. [2021-11-12 23:49:53,778 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 220 transitions. Word has length 72 [2021-11-12 23:49:53,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:53,779 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 220 transitions. [2021-11-12 23:49:53,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-12 23:49:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2021-11-12 23:49:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-12 23:49:53,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:53,788 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:49:53,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:49:53,788 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:49:53,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:53,789 INFO L85 PathProgramCache]: Analyzing trace with hash 16593026, now seen corresponding path program 1 times [2021-11-12 23:49:53,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:49:53,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600218347] [2021-11-12 23:49:53,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:53,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:49:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-12 23:49:53,903 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:49:53,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600218347] [2021-11-12 23:49:53,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600218347] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:49:53,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624685020] [2021-11-12 23:49:53,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:53,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:49:53,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:49:53,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:49:53,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:49:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:54,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:49:54,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:54,390 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-12 23:49:54,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-12 23:49:54,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624685020] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:49:54,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [931028982] [2021-11-12 23:49:54,679 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2021-11-12 23:49:54,679 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:49:54,685 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:49:54,691 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:49:54,691 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:49:54,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:54,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:49:54,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:54,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:49:54,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:49:54,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:54,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:49:54,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:49:54,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:54,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:49:54,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:49:54,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:54,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:49:54,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:49:54,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:54,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-12 23:49:54,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:49:54,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:54,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:49:54,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:49:54,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:54,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 602 [2021-11-12 23:49:54,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1116 [2021-11-12 23:49:54,956 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.offset_51, v_~__CS_thread~0.base_51, |v_#length_41|], 595=[|v_#valid_107|]} [2021-11-12 23:49:55,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-12 23:49:55,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:55,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:49:55,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:55,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:49:55,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:49:55,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:49:55,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:55,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-12 23:49:55,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:55,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:49:55,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:55,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:49:55,272 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:49:55,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:49:55,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:55,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:56,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:57,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,500 INFO L244 Elim1Store]: Index analysis took 3063 ms [2021-11-12 23:49:58,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 168 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 86 [2021-11-12 23:49:58,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:58,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:49:58,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:58,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:49:58,517 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:49:58,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:49:58,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:49:58,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:58,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:49:59,451 INFO L244 Elim1Store]: Index analysis took 402 ms [2021-11-12 23:50:00,245 INFO L354 Elim1Store]: treesize reduction 1082, result has 4.9 percent of original size [2021-11-12 23:50:00,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 115 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 61 case distinctions, treesize of input 299 treesize of output 298 [2021-11-12 23:50:00,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-12 23:50:00,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-12 23:50:00,296 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:00,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:00,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,455 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_238|, |v_#memory_$Pointer$.base_238|], 6=[|v_#memory_int_216|]} [2021-11-12 23:50:00,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-12 23:50:00,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:50:00,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:50:00,510 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:00,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:00,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-12 23:50:00,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:50:00,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:50:00,694 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:00,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:00,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:00,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:00,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:00,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:00,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 100 [2021-11-12 23:50:00,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-12 23:50:00,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:00,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-12 23:50:00,939 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:00,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:01,053 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 794 [2021-11-12 23:50:01,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:01,150 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:1107, output treesize:794 [2021-11-12 23:50:01,254 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.8 percent of original size [2021-11-12 23:50:01,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:01,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:01,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:50:01,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:01,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:01,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:50:01,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:01,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:50:01,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:01,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:50:01,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:01,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:50:01,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:01,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:50:01,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-11-12 23:50:01,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-11-12 23:50:01,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 404 [2021-11-12 23:50:01,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1202 [2021-11-12 23:50:01,492 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|, |v_#memory_$Pointer$.offset_48|, |v_#memory_$Pointer$.base_49|, |v_#memory_$Pointer$.offset_49|, |v_#memory_$Pointer$.base_48|], 3=[|v_#memory_$Pointer$.offset_239|, |v_#memory_$Pointer$.base_239|], 55=[|v_#memory_int_217|]} [2021-11-12 23:50:01,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,543 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:01,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:01,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:01,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:01,780 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:01,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:01,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:01,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:01,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-12 23:50:01,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:01,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:01,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:01,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-12 23:50:01,991 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:01,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:02,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:02,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:02,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:02,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-12 23:50:02,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:02,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:02,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-12 23:50:02,180 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:02,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:02,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:02,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:02,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:02,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:02,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:02,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:02,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:02,375 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:02,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:02,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:02,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:02,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:02,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:02,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:02,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:02,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:02,520 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:02,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:02,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:02,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 117 [2021-11-12 23:50:02,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:02,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:02,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:50:02,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:50:02,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:02,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-12 23:50:02,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 23:50:02,907 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 12 treesize of output 11 [2021-11-12 23:50:02,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:50:02,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:02,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:50:02,909 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:02,910 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:50:02,912 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:50:02,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-12 23:50:02,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627412053] [2021-11-12 23:50:02,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:50:02,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:50:02,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:02,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:50:02,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:50:02,914 INFO L87 Difference]: Start difference. First operand 145 states and 220 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-12 23:50:05,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:05,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:05,212 INFO L93 Difference]: Finished difference Result 291 states and 444 transitions. [2021-11-12 23:50:05,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:50:05,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 73 [2021-11-12 23:50:05,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:05,215 INFO L225 Difference]: With dead ends: 291 [2021-11-12 23:50:05,215 INFO L226 Difference]: Without dead ends: 148 [2021-11-12 23:50:05,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:50:05,217 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2219.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.09ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2270.08ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:05,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 577 Invalid, 79 Unknown, 0 Unchecked, 5.09ms Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 2270.08ms Time] [2021-11-12 23:50:05,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-11-12 23:50:05,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2021-11-12 23:50:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 89 states have internal predecessors, (119), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-12 23:50:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 223 transitions. [2021-11-12 23:50:05,236 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 223 transitions. Word has length 73 [2021-11-12 23:50:05,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:05,236 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 223 transitions. [2021-11-12 23:50:05,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-12 23:50:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2021-11-12 23:50:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-12 23:50:05,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:05,240 INFO L514 BasicCegarLoop]: trace histogram [14, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:05,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:05,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:05,451 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:05,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:05,451 INFO L85 PathProgramCache]: Analyzing trace with hash -858226756, now seen corresponding path program 2 times [2021-11-12 23:50:05,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:05,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941991109] [2021-11-12 23:50:05,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:05,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-12 23:50:05,560 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:05,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941991109] [2021-11-12 23:50:05,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941991109] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:50:05,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802143029] [2021-11-12 23:50:05,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:50:05,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:05,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:05,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:50:05,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:50:05,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-12 23:50:05,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:50:05,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:50:05,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:06,026 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-11-12 23:50:06,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-11-12 23:50:06,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802143029] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:06,304 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:50:06,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [4] total 7 [2021-11-12 23:50:06,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246819556] [2021-11-12 23:50:06,304 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:06,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:50:06,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:06,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:50:06,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:50:06,306 INFO L87 Difference]: Start difference. First operand 148 states and 223 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:50:08,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:08,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:08,665 INFO L93 Difference]: Finished difference Result 286 states and 441 transitions. [2021-11-12 23:50:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:50:08,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 76 [2021-11-12 23:50:08,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:08,670 INFO L225 Difference]: With dead ends: 286 [2021-11-12 23:50:08,670 INFO L226 Difference]: Without dead ends: 253 [2021-11-12 23:50:08,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:50:08,671 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 157 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2237.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.45ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2317.06ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:08,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 917 Invalid, 116 Unknown, 0 Unchecked, 8.45ms Time], IncrementalHoareTripleChecker [14 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2317.06ms Time] [2021-11-12 23:50:08,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-11-12 23:50:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 252. [2021-11-12 23:50:08,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 150 states have (on average 1.3733333333333333) internal successors, (206), 151 states have internal predecessors, (206), 89 states have call successors, (89), 12 states have call predecessors, (89), 12 states have return successors, (97), 88 states have call predecessors, (97), 89 states have call successors, (97) [2021-11-12 23:50:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 392 transitions. [2021-11-12 23:50:08,735 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 392 transitions. Word has length 76 [2021-11-12 23:50:08,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:08,736 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 392 transitions. [2021-11-12 23:50:08,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:50:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 392 transitions. [2021-11-12 23:50:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-12 23:50:08,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:08,746 INFO L514 BasicCegarLoop]: trace histogram [19, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:08,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:08,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-12 23:50:08,966 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:08,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:08,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1931864922, now seen corresponding path program 1 times [2021-11-12 23:50:08,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:08,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381914409] [2021-11-12 23:50:08,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:08,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-11-12 23:50:09,135 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:09,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381914409] [2021-11-12 23:50:09,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381914409] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:50:09,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835082712] [2021-11-12 23:50:09,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:09,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:09,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:50:09,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:50:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:09,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:50:09,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:09,685 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-12 23:50:09,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-12 23:50:10,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835082712] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:50:10,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2002125147] [2021-11-12 23:50:10,065 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2021-11-12 23:50:10,065 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:50:10,066 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:50:10,066 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:50:10,066 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:50:10,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:10,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:50:10,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:10,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-12 23:50:10,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:10,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:50:10,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:10,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:50:10,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:10,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 602 [2021-11-12 23:50:10,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:10,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:50:10,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:10,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:50:10,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1116 [2021-11-12 23:50:10,186 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_56, v_~__CS_thread~0.offset_56, |v_#length_44|], 595=[|v_#valid_110|]} [2021-11-12 23:50:10,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-12 23:50:10,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:50:10,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:50:10,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:10,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:10,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-12 23:50:10,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:50:10,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:50:10,359 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:10,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:10,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:10,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:10,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:11,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,778 INFO L244 Elim1Store]: Index analysis took 2289 ms [2021-11-12 23:50:12,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 168 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 86 [2021-11-12 23:50:12,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:12,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:50:12,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:12,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:50:12,789 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:12,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:12,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:12,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:12,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:13,608 INFO L244 Elim1Store]: Index analysis took 297 ms [2021-11-12 23:50:14,294 INFO L354 Elim1Store]: treesize reduction 1082, result has 4.9 percent of original size [2021-11-12 23:50:14,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 115 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 61 case distinctions, treesize of input 299 treesize of output 298 [2021-11-12 23:50:14,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-12 23:50:14,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-12 23:50:14,335 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:14,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,451 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_258|, |v_#memory_$Pointer$.base_258|], 6=[|v_#memory_int_236|]} [2021-11-12 23:50:14,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-12 23:50:14,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:50:14,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:50:14,497 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:14,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-12 23:50:14,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:50:14,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:50:14,715 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:14,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:14,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 100 [2021-11-12 23:50:14,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-12 23:50:14,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:14,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-12 23:50:14,968 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:14,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 794 [2021-11-12 23:50:15,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:50:15,148 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:1107, output treesize:794 [2021-11-12 23:50:15,212 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.8 percent of original size [2021-11-12 23:50:15,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:15,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:15,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:50:15,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:15,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:50:15,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:15,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:50:15,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:15,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:50:15,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:15,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-12 23:50:15,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-11-12 23:50:15,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-11-12 23:50:15,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 404 [2021-11-12 23:50:15,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:50:15,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:50:15,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:50:15,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1202 [2021-11-12 23:50:15,339 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|, |v_#memory_$Pointer$.offset_48|, |v_#memory_$Pointer$.base_49|, |v_#memory_$Pointer$.offset_49|, |v_#memory_$Pointer$.base_48|], 3=[|v_#memory_$Pointer$.offset_259|, |v_#memory_$Pointer$.base_259|], 55=[|v_#memory_int_237|]} [2021-11-12 23:50:15,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,392 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:15,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:50:15,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:50:15,601 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:15,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:15,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:15,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-12 23:50:15,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:15,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-12 23:50:15,771 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:15,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:15,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:15,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:15,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-12 23:50:15,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:15,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:15,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-12 23:50:15,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-12 23:50:15,951 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:15,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:16,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:16,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:16,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:16,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:16,097 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:16,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:16,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:16,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:16,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 23:50:16,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-12 23:50:16,250 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:50:16,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:50:16,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:16,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 117 [2021-11-12 23:50:16,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:50:16,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:50:16,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:16,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-12 23:50:16,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 23:50:16,527 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 12 treesize of output 11 [2021-11-12 23:50:16,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:50:16,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:16,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:50:16,529 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-12 23:50:16,529 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:50:16,538 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:50:16,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 9 [2021-11-12 23:50:16,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128420776] [2021-11-12 23:50:16,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:50:16,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:50:16,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:16,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:50:16,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:50:16,541 INFO L87 Difference]: Start difference. First operand 252 states and 392 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-12 23:50:18,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:18,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:18,902 INFO L93 Difference]: Finished difference Result 510 states and 794 transitions. [2021-11-12 23:50:18,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-12 23:50:18,903 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 129 [2021-11-12 23:50:18,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:18,906 INFO L225 Difference]: With dead ends: 510 [2021-11-12 23:50:18,906 INFO L226 Difference]: Without dead ends: 260 [2021-11-12 23:50:18,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:50:18,909 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 4 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2215.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.33ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2268.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:18,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 768 Invalid, 120 Unknown, 0 Unchecked, 3.33ms Time], IncrementalHoareTripleChecker [18 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2268.05ms Time] [2021-11-12 23:50:18,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-11-12 23:50:18,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2021-11-12 23:50:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 158 states have (on average 1.360759493670886) internal successors, (215), 159 states have internal predecessors, (215), 89 states have call successors, (89), 12 states have call predecessors, (89), 12 states have return successors, (97), 88 states have call predecessors, (97), 89 states have call successors, (97) [2021-11-12 23:50:18,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 401 transitions. [2021-11-12 23:50:18,940 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 401 transitions. Word has length 129 [2021-11-12 23:50:18,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:18,940 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 401 transitions. [2021-11-12 23:50:18,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-12 23:50:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 401 transitions. [2021-11-12 23:50:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-12 23:50:18,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:18,950 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:18,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-12 23:50:19,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-12 23:50:19,164 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:19,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:19,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1177286014, now seen corresponding path program 2 times [2021-11-12 23:50:19,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:19,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270749831] [2021-11-12 23:50:19,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:19,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-12 23:50:19,467 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:19,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270749831] [2021-11-12 23:50:19,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270749831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:19,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:19,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:50:19,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035773272] [2021-11-12 23:50:19,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:19,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:50:19,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:19,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:50:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:50:19,470 INFO L87 Difference]: Start difference. First operand 260 states and 401 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:21,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:21,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:21,838 INFO L93 Difference]: Finished difference Result 465 states and 725 transitions. [2021-11-12 23:50:21,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:50:21,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-12 23:50:21,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:21,844 INFO L225 Difference]: With dead ends: 465 [2021-11-12 23:50:21,844 INFO L226 Difference]: Without dead ends: 426 [2021-11-12 23:50:21,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:50:21,846 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 177 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2284.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.75ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2337.99ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:21,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 544 Invalid, 132 Unknown, 0 Unchecked, 3.75ms Time], IncrementalHoareTripleChecker [22 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 2337.99ms Time] [2021-11-12 23:50:21,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-11-12 23:50:21,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 416. [2021-11-12 23:50:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 250 states have (on average 1.356) internal successors, (339), 255 states have internal predecessors, (339), 142 states have call successors, (142), 20 states have call predecessors, (142), 23 states have return successors, (173), 140 states have call predecessors, (173), 142 states have call successors, (173) [2021-11-12 23:50:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 654 transitions. [2021-11-12 23:50:21,896 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 654 transitions. Word has length 137 [2021-11-12 23:50:21,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:21,896 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 654 transitions. [2021-11-12 23:50:21,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 654 transitions. [2021-11-12 23:50:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-12 23:50:21,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:21,904 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:21,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-12 23:50:21,904 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:21,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:21,905 INFO L85 PathProgramCache]: Analyzing trace with hash -595856233, now seen corresponding path program 1 times [2021-11-12 23:50:21,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:21,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662878106] [2021-11-12 23:50:21,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:21,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-12 23:50:22,074 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:22,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662878106] [2021-11-12 23:50:22,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662878106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:22,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:22,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:50:22,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663917071] [2021-11-12 23:50:22,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:22,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:50:22,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:22,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:50:22,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:50:22,076 INFO L87 Difference]: Start difference. First operand 416 states and 654 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:24,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:24,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:24,437 INFO L93 Difference]: Finished difference Result 730 states and 1130 transitions. [2021-11-12 23:50:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:50:24,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-12 23:50:24,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:24,442 INFO L225 Difference]: With dead ends: 730 [2021-11-12 23:50:24,443 INFO L226 Difference]: Without dead ends: 422 [2021-11-12 23:50:24,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:50:24,446 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 178 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2255.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.28ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2313.84ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:24,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 555 Invalid, 131 Unknown, 0 Unchecked, 4.28ms Time], IncrementalHoareTripleChecker [20 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 2313.84ms Time] [2021-11-12 23:50:24,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-11-12 23:50:24,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2021-11-12 23:50:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 247 states have (on average 1.3562753036437247) internal successors, (335), 252 states have internal predecessors, (335), 141 states have call successors, (141), 20 states have call predecessors, (141), 23 states have return successors, (167), 139 states have call predecessors, (167), 141 states have call successors, (167) [2021-11-12 23:50:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 643 transitions. [2021-11-12 23:50:24,482 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 643 transitions. Word has length 137 [2021-11-12 23:50:24,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:24,482 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 643 transitions. [2021-11-12 23:50:24,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 643 transitions. [2021-11-12 23:50:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-12 23:50:24,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:24,489 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:24,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-12 23:50:24,489 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:24,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:24,490 INFO L85 PathProgramCache]: Analyzing trace with hash -236116518, now seen corresponding path program 1 times [2021-11-12 23:50:24,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:24,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737223885] [2021-11-12 23:50:24,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:24,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-12 23:50:24,646 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:24,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737223885] [2021-11-12 23:50:24,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737223885] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:24,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:24,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:50:24,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12226110] [2021-11-12 23:50:24,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:24,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:50:24,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:24,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:50:24,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:50:24,649 INFO L87 Difference]: Start difference. First operand 412 states and 643 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:26,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:26,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:26,996 INFO L93 Difference]: Finished difference Result 738 states and 1139 transitions. [2021-11-12 23:50:26,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:50:26,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-12 23:50:26,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:27,002 INFO L225 Difference]: With dead ends: 738 [2021-11-12 23:50:27,002 INFO L226 Difference]: Without dead ends: 418 [2021-11-12 23:50:27,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:50:27,005 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 181 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2234.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.62ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2305.19ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:27,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 562 Invalid, 128 Unknown, 0 Unchecked, 3.62ms Time], IncrementalHoareTripleChecker [20 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 2305.19ms Time] [2021-11-12 23:50:27,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-11-12 23:50:27,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 408. [2021-11-12 23:50:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 244 states have (on average 1.3565573770491803) internal successors, (331), 249 states have internal predecessors, (331), 140 states have call successors, (140), 20 states have call predecessors, (140), 23 states have return successors, (161), 138 states have call predecessors, (161), 140 states have call successors, (161) [2021-11-12 23:50:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 632 transitions. [2021-11-12 23:50:27,046 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 632 transitions. Word has length 137 [2021-11-12 23:50:27,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:27,046 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 632 transitions. [2021-11-12 23:50:27,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:27,047 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 632 transitions. [2021-11-12 23:50:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-12 23:50:27,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:27,053 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:27,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-12 23:50:27,054 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:27,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:27,054 INFO L85 PathProgramCache]: Analyzing trace with hash -82431454, now seen corresponding path program 1 times [2021-11-12 23:50:27,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:27,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017184135] [2021-11-12 23:50:27,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:27,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-12 23:50:27,222 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:27,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017184135] [2021-11-12 23:50:27,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017184135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:27,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:27,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:50:27,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686965185] [2021-11-12 23:50:27,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:27,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:50:27,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:27,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:50:27,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:50:27,225 INFO L87 Difference]: Start difference. First operand 408 states and 632 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:29,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:29,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:29,559 INFO L93 Difference]: Finished difference Result 746 states and 1148 transitions. [2021-11-12 23:50:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:50:29,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-12 23:50:29,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:29,564 INFO L225 Difference]: With dead ends: 746 [2021-11-12 23:50:29,564 INFO L226 Difference]: Without dead ends: 368 [2021-11-12 23:50:29,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:50:29,568 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 182 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2239.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.37ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2294.58ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:29,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 570 Invalid, 125 Unknown, 0 Unchecked, 3.37ms Time], IncrementalHoareTripleChecker [18 Valid, 106 Invalid, 1 Unknown, 0 Unchecked, 2294.58ms Time] [2021-11-12 23:50:29,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-11-12 23:50:29,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 362. [2021-11-12 23:50:29,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 218 states have (on average 1.2935779816513762) internal successors, (282), 221 states have internal predecessors, (282), 121 states have call successors, (121), 20 states have call predecessors, (121), 22 states have return successors, (137), 120 states have call predecessors, (137), 121 states have call successors, (137) [2021-11-12 23:50:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 540 transitions. [2021-11-12 23:50:29,600 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 540 transitions. Word has length 137 [2021-11-12 23:50:29,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:29,600 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 540 transitions. [2021-11-12 23:50:29,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:29,601 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 540 transitions. [2021-11-12 23:50:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-12 23:50:29,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:29,606 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:29,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-12 23:50:29,606 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:29,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:29,607 INFO L85 PathProgramCache]: Analyzing trace with hash 232144525, now seen corresponding path program 1 times [2021-11-12 23:50:29,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:29,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714558600] [2021-11-12 23:50:29,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:29,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-12 23:50:29,817 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:29,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714558600] [2021-11-12 23:50:29,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714558600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:29,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:29,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:50:29,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788511033] [2021-11-12 23:50:29,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:29,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:50:29,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:29,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:50:29,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:50:29,822 INFO L87 Difference]: Start difference. First operand 362 states and 540 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:31,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:32,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:32,137 INFO L93 Difference]: Finished difference Result 372 states and 559 transitions. [2021-11-12 23:50:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:50:32,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-12 23:50:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:32,141 INFO L225 Difference]: With dead ends: 372 [2021-11-12 23:50:32,141 INFO L226 Difference]: Without dead ends: 280 [2021-11-12 23:50:32,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:50:32,143 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 40 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2220.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.78ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2276.70ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:32,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 540 Invalid, 102 Unknown, 0 Unchecked, 2.78ms Time], IncrementalHoareTripleChecker [6 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 2276.70ms Time] [2021-11-12 23:50:32,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-11-12 23:50:32,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 276. [2021-11-12 23:50:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 167 states have (on average 1.3353293413173652) internal successors, (223), 170 states have internal predecessors, (223), 91 states have call successors, (91), 15 states have call predecessors, (91), 17 states have return successors, (114), 90 states have call predecessors, (114), 91 states have call successors, (114) [2021-11-12 23:50:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 428 transitions. [2021-11-12 23:50:32,166 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 428 transitions. Word has length 137 [2021-11-12 23:50:32,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:32,167 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 428 transitions. [2021-11-12 23:50:32,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 23:50:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 428 transitions. [2021-11-12 23:50:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-12 23:50:32,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:32,173 INFO L514 BasicCegarLoop]: trace histogram [22, 10, 8, 8, 8, 8, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:32,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-12 23:50:32,173 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:32,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:32,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1873397565, now seen corresponding path program 1 times [2021-11-12 23:50:32,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:32,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222485233] [2021-11-12 23:50:32,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:32,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2021-11-12 23:50:33,471 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:33,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222485233] [2021-11-12 23:50:33,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222485233] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:50:33,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725643023] [2021-11-12 23:50:33,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:33,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:50:33,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:33,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:50:33,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:50:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:33,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-12 23:50:33,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:33,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-12 23:50:34,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 32 treesize of output 41 [2021-11-12 23:50:34,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 16 [2021-11-12 23:50:34,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:34,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-12 23:50:34,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:34,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-12 23:50:34,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:34,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-12 23:50:34,836 INFO L354 Elim1Store]: treesize reduction 263, result has 30.1 percent of original size [2021-11-12 23:50:34,837 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 3 case distinctions, treesize of input 288 treesize of output 207 [2021-11-12 23:50:34,921 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:34,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 207 treesize of output 248 [2021-11-12 23:50:34,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:34,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-12 23:50:34,982 INFO L354 Elim1Store]: treesize reduction 45, result has 29.7 percent of original size [2021-11-12 23:50:34,983 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 1 case distinctions, treesize of input 249 treesize of output 221 [2021-11-12 23:50:34,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:34,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2021-11-12 23:50:35,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:35,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2021-11-12 23:50:35,011 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 173 treesize of output 165 [2021-11-12 23:50:35,013 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-12 23:50:35,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-11-12 23:50:35,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:35,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:35,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:50:35,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:50:35,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 34 treesize of output 43 [2021-11-12 23:50:35,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-12 23:50:35,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-11-12 23:50:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 230 proven. 55 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-11-12 23:50:36,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:36,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-11-12 23:50:49,618 INFO L354 Elim1Store]: treesize reduction 253, result has 36.3 percent of original size [2021-11-12 23:50:49,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 794 treesize of output 557 [2021-11-12 23:50:49,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Some non-self update cases but no top-level DER relation [2021-11-12 23:50:49,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [665081974] [2021-11-12 23:50:49,661 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2021-11-12 23:50:49,661 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:50:49,662 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:50:49,662 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:50:49,663 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:50:49,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:49,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:49,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:49,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:50:49,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:49,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:49,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:50:49,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:49,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:49,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-12 23:50:49,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:49,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:49,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 602 [2021-11-12 23:50:49,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:49,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:49,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:50:49,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:49,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:49,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:50:49,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:50:49,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:50:49,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:50:49,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1116 [2021-11-12 23:50:49,751 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@32de9980 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker.assertLhs(IncrementalPlicationChecker.java:103) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker.checkPlication(IncrementalPlicationChecker.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexEqualityManager.(ArrayIndexEqualityManager.java:92) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:571) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:444) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:50:49,753 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:50:49,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-11-12 23:50:49,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140475540] [2021-11-12 23:50:49,754 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-12 23:50:49,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:50:49,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:49,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:50:49,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:50:49,757 INFO L87 Difference]: Start difference. First operand 276 states and 428 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 7 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 6 states have call predecessors, (31), 7 states have call successors, (31) [2021-11-12 23:50:49,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:50:49,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 324 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:50:49,758 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.00ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:49,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 0.00ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:50:49,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:49,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-11-12 23:50:49,984 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@32de9980 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:359) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:50:49,986 INFO L158 Benchmark]: Toolchain (without parser) took 65906.02ms. Allocated memory was 104.9MB in the beginning and 283.1MB in the end (delta: 178.3MB). Free memory was 65.7MB in the beginning and 161.1MB in the end (delta: -95.4MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2021-11-12 23:50:49,986 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:50:49,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.88ms. Allocated memory is still 104.9MB. Free memory was 65.5MB in the beginning and 64.9MB in the end (delta: 619.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:50:49,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.85ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 60.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:50:49,986 INFO L158 Benchmark]: Boogie Preprocessor took 62.79ms. Allocated memory is still 104.9MB. Free memory was 60.4MB in the beginning and 56.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:50:49,986 INFO L158 Benchmark]: RCFGBuilder took 3450.34ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 56.6MB in the beginning and 86.1MB in the end (delta: -29.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2021-11-12 23:50:49,987 INFO L158 Benchmark]: TraceAbstraction took 61563.17ms. Allocated memory was 134.2MB in the beginning and 283.1MB in the end (delta: 148.9MB). Free memory was 86.1MB in the beginning and 161.1MB in the end (delta: -75.0MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2021-11-12 23:50:49,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.88ms. Allocated memory is still 104.9MB. Free memory was 65.5MB in the beginning and 64.9MB in the end (delta: 619.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.85ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 60.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.79ms. Allocated memory is still 104.9MB. Free memory was 60.4MB in the beginning and 56.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3450.34ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 56.6MB in the beginning and 86.1MB in the end (delta: -29.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 61563.17ms. Allocated memory was 134.2MB in the beginning and 283.1MB in the end (delta: 148.9MB). Free memory was 86.1MB in the beginning and 161.1MB in the end (delta: -75.0MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@32de9980 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@32de9980: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:50:50,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:50:52,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:50:52,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:50:52,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:50:52,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:50:52,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:50:52,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:50:52,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:50:52,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:50:52,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:50:52,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:50:52,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:50:52,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:50:52,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:50:52,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:50:52,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:50:52,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:50:52,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:50:52,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:50:52,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:50:52,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:50:52,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:50:52,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:50:52,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:50:52,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:50:52,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:50:52,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:50:52,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:50:52,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:50:52,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:50:52,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:50:52,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:50:52,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:50:52,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:50:52,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:50:52,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:50:52,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:50:52,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:50:52,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:50:52,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:50:52,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:50:52,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:50:52,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:50:52,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:50:52,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:50:52,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:50:52,520 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:50:52,520 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:50:52,521 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:50:52,521 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:50:52,521 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:50:52,521 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:50:52,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:50:52,524 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:50:52,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:50:52,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:50:52,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:50:52,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:50:52,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:50:52,525 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:50:52,525 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:50:52,525 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:50:52,526 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:50:52,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:50:52,526 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:50:52,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:50:52,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:50:52,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:50:52,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:50:52,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:50:52,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:50:52,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:50:52,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:50:52,528 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:50:52,528 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:50:52,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:50:52,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:50:52,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:50:52,530 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-12 23:50:52,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:50:52,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:50:52,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:50:52,955 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:50:52,957 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:50:52,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-12 23:50:53,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data/9eb0ff355/561f2933864e4d5da31f2fb9684d77ea/FLAG3c0eb6a12 [2021-11-12 23:50:53,696 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:50:53,697 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-12 23:50:53,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data/9eb0ff355/561f2933864e4d5da31f2fb9684d77ea/FLAG3c0eb6a12 [2021-11-12 23:50:53,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/data/9eb0ff355/561f2933864e4d5da31f2fb9684d77ea [2021-11-12 23:50:53,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:50:53,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:50:53,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:50:53,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:50:53,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:50:53,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:50:53" (1/1) ... [2021-11-12 23:50:53,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed6238e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:53, skipping insertion in model container [2021-11-12 23:50:53,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:50:53" (1/1) ... [2021-11-12 23:50:53,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:50:53,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:50:54,337 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-12 23:50:54,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:50:54,564 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:50:54,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-12 23:50:54,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:50:54,719 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:50:54,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54 WrapperNode [2021-11-12 23:50:54,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:50:54,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:50:54,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:50:54,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:50:54,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:50:54,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:50:54,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:50:54,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:50:54,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:50:54,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:50:54,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:50:54,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:50:54,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:54" (1/1) ... [2021-11-12 23:50:54,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:50:54,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:54,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:50:54,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:50:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:50:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:50:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:50:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-12 23:50:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-12 23:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-12 23:50:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-12 23:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-12 23:50:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-12 23:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:50:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:50:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:50:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:50:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-12 23:50:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-12 23:50:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-12 23:50:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-12 23:50:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:50:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:50:55,786 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-12 23:50:55,786 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2021-11-12 23:50:58,851 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:50:58,851 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-12 23:50:58,852 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L696 is neither atomic block end nor a sink node. [2021-11-12 23:50:58,852 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:50:58,861 INFO L158 Benchmark]: Toolchain (without parser) took 4952.42ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 51.9MB in the beginning and 43.4MB in the end (delta: 8.5MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-11-12 23:50:58,863 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:50:58,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.08ms. Allocated memory is still 71.3MB. Free memory was 51.8MB in the beginning and 41.4MB in the end (delta: 10.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-11-12 23:50:58,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.25ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 36.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:50:58,864 INFO L158 Benchmark]: Boogie Preprocessor took 95.41ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 32.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:50:58,865 INFO L158 Benchmark]: RCFGBuilder took 3962.60ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 32.4MB in the beginning and 43.4MB in the end (delta: -11.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-12 23:50:58,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.08ms. Allocated memory is still 71.3MB. Free memory was 51.8MB in the beginning and 41.4MB in the end (delta: 10.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.25ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 36.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.41ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 32.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3962.60ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 32.4MB in the beginning and 43.4MB in the end (delta: -11.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:50:58,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a78e6c-dd50-42f0-a00a-d41b42b849fb/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?