./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:21:48,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:21:48,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:21:48,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:21:48,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:21:48,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:21:48,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:21:49,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:21:49,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:21:49,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:21:49,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:21:49,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:21:49,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:21:49,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:21:49,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:21:49,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:21:49,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:21:49,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:21:49,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:21:49,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:21:49,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:21:49,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:21:49,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:21:49,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:21:49,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:21:49,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:21:49,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:21:49,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:21:49,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:21:49,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:21:49,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:21:49,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:21:49,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:21:49,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:21:49,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:21:49,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:21:49,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:21:49,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:21:49,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:21:49,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:21:49,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:21:49,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:21:49,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:21:49,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:21:49,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:21:49,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:21:49,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:21:49,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:21:49,117 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:21:49,117 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:21:49,118 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:21:49,118 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:21:49,118 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:21:49,118 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:21:49,119 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:21:49,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:21:49,119 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:21:49,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:21:49,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:21:49,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:21:49,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:21:49,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:21:49,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:21:49,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:21:49,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:21:49,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:21:49,122 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:21:49,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:21:49,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:21:49,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:21:49,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:21:49,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:21:49,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:21:49,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:21:49,126 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:21:49,126 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 [2021-11-02 22:21:49,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:21:49,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:21:49,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:21:49,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:21:49,571 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:21:49,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2021-11-02 22:21:49,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/data/490315f19/96108efddf0a4478ac0682e56a4363ac/FLAGf87905129 [2021-11-02 22:21:50,539 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:21:50,540 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2021-11-02 22:21:50,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/data/490315f19/96108efddf0a4478ac0682e56a4363ac/FLAGf87905129 [2021-11-02 22:21:51,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/data/490315f19/96108efddf0a4478ac0682e56a4363ac [2021-11-02 22:21:51,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:21:51,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:21:51,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:21:51,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:21:51,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:21:51,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:21:51" (1/1) ... [2021-11-02 22:21:51,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8cc151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:51, skipping insertion in model container [2021-11-02 22:21:51,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:21:51" (1/1) ... [2021-11-02 22:21:51,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:21:51,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:21:51,817 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_a812a8a6-7852-4565-bd09-e0918422ee5f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2021-11-02 22:21:52,206 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_a812a8a6-7852-4565-bd09-e0918422ee5f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2021-11-02 22:21:52,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:21:52,239 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:21:52,303 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_a812a8a6-7852-4565-bd09-e0918422ee5f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[33021,33034] [2021-11-02 22:21:52,466 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_a812a8a6-7852-4565-bd09-e0918422ee5f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i[84583,84596] [2021-11-02 22:21:52,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:21:52,527 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:21:52,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52 WrapperNode [2021-11-02 22:21:52,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:21:52,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:21:52,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:21:52,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:21:52,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:52,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:52,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:21:52,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:21:52,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:21:52,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:21:52,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:52,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:52,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:52,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:53,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:53,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:53,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:53,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:21:53,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:21:53,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:21:53,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:21:53,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (1/1) ... [2021-11-02 22:21:53,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:21:53,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:21:53,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:21:53,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:21:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:21:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:21:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-02 22:21:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-02 22:21:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:21:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:21:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:21:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-02 22:21:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:21:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:21:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:21:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:21:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:21:53,571 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 22:21:57,529 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:21:57,529 INFO L299 CfgBuilder]: Removed 1060 assume(true) statements. [2021-11-02 22:21:57,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:21:57 BoogieIcfgContainer [2021-11-02 22:21:57,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:21:57,537 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:21:57,538 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:21:57,542 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:21:57,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:21:57,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:21:51" (1/3) ... [2021-11-02 22:21:57,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3542e8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:21:57, skipping insertion in model container [2021-11-02 22:21:57,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:21:57,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:52" (2/3) ... [2021-11-02 22:21:57,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3542e8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:21:57, skipping insertion in model container [2021-11-02 22:21:57,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:21:57,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:21:57" (3/3) ... [2021-11-02 22:21:57,548 INFO L389 chiAutomizerObserver]: Analyzing ICFG uthash_OAT_test9-1.i [2021-11-02 22:21:57,625 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:21:57,626 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:21:57,627 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:21:57,627 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:21:57,627 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:21:57,628 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:21:57,628 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:21:57,628 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:21:57,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1160 states, 1155 states have (on average 1.9567099567099566) internal successors, (2260), 1155 states have internal predecessors, (2260), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-02 22:21:57,863 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1149 [2021-11-02 22:21:57,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:21:57,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:21:57,874 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:21:57,878 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:21:57,878 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:21:57,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1160 states, 1155 states have (on average 1.9567099567099566) internal successors, (2260), 1155 states have internal predecessors, (2260), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-02 22:21:57,922 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1149 [2021-11-02 22:21:57,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:21:57,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:21:57,925 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:21:57,925 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:21:57,934 INFO L791 eck$LassoCheckResult]: Stem: 557#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(21);~count_int_int~0 := 0; 1051#L-1true havoc main_#res;havoc main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_#t~mem19, main_#t~mem18, main_#t~mem20, main_#t~mem21, main_#t~mem23, main_#t~mem22, main_#t~mem24, main_#t~mem25, main_#t~switch26, main_#t~mem27, main_#t~mem28, main_#t~mem29, main_#t~mem30, main_#t~mem31, main_#t~mem32, main_#t~mem33, main_#t~mem34, main_#t~mem35, main_#t~mem36, main_#t~mem37, main_~_hj_i~0, main_~_hj_j~0, main_~_hj_k~0, main_~_hj_key~0.base, main_~_hj_key~0.offset, main_#t~malloc38.base, main_#t~malloc38.offset, main_#t~mem39.base, main_#t~mem39.offset, main_#t~mem40.base, main_#t~mem40.offset, main_#t~memset~res41.base, main_#t~memset~res41.offset, main_#t~mem42.base, main_#t~mem42.offset, main_#t~mem43.base, main_#t~mem43.offset, main_#t~mem44.base, main_#t~mem44.offset, main_#t~mem45.base, main_#t~mem45.offset, main_#t~mem46.base, main_#t~mem46.offset, main_#t~malloc47.base, main_#t~malloc47.offset, main_#t~mem48.base, main_#t~mem48.offset, main_#t~mem49.base, main_#t~mem49.offset, main_#t~mem50.base, main_#t~mem50.offset, main_#t~mem51.base, main_#t~mem51.offset, main_#t~mem52.base, main_#t~mem52.offset, main_#t~mem53.base, main_#t~mem53.offset, main_#t~memset~res54.base, main_#t~memset~res54.offset, main_#t~mem55.base, main_#t~mem55.offset, main_#t~mem56.base, main_#t~mem56.offset, main_#t~mem57.base, main_#t~mem57.offset, main_#t~mem58.base, main_#t~mem58.offset, main_#t~mem59, main_#t~mem60.base, main_#t~mem60.offset, main_#t~mem61.base, main_#t~mem61.offset, main_#t~mem62.base, main_#t~mem62.offset, main_#t~mem63.base, main_#t~mem63.offset, main_#t~mem64, main_#t~post65, main_#t~mem66.base, main_#t~mem66.offset, main_#t~mem67, main_#t~mem68.base, main_#t~mem68.offset, main_#t~mem69.base, main_#t~mem69.offset, main_#t~mem70, main_#t~post71, main_#t~mem72.base, main_#t~mem72.offset, main_#t~mem73.base, main_#t~mem73.offset, main_#t~mem74.base, main_#t~mem74.offset, main_#t~mem76, main_#t~mem75, main_#t~mem77.base, main_#t~mem77.offset, main_#t~mem78, main_#t~short79, main_#t~mem80.base, main_#t~mem80.offset, main_#t~mem81, main_#t~malloc82.base, main_#t~malloc82.offset, main_#t~mem83.base, main_#t~mem83.offset, main_#t~mem84.base, main_#t~mem84.offset, main_#t~mem85.base, main_#t~mem85.offset, main_#t~mem86, main_#t~memset~res87.base, main_#t~memset~res87.offset, main_#t~mem88.base, main_#t~mem88.offset, main_#t~mem89.base, main_#t~mem89.offset, main_#t~mem92, main_#t~mem90.base, main_#t~mem90.offset, main_#t~mem91, main_#t~mem93.base, main_#t~mem93.offset, main_#t~mem96, main_#t~mem94.base, main_#t~mem94.offset, main_#t~mem95, main_#t~ite97, main_#t~mem98.base, main_#t~mem98.offset, main_#t~mem102.base, main_#t~mem102.offset, main_#t~mem103.base, main_#t~mem103.offset, main_#t~mem104.base, main_#t~mem104.offset, main_#t~mem105.base, main_#t~mem105.offset, main_#t~mem108, main_#t~mem106.base, main_#t~mem106.offset, main_#t~mem107, main_#t~mem109.base, main_#t~mem109.offset, main_#t~mem110, main_#t~pre111, main_#t~mem112.base, main_#t~mem112.offset, main_#t~mem113, main_#t~mem114.base, main_#t~mem114.offset, main_#t~mem115, main_#t~post116, main_#t~mem120, main_#t~mem118, main_#t~mem117.base, main_#t~mem117.offset, main_#t~mem119, main_#t~mem121, main_#t~post122, main_#t~mem123.base, main_#t~mem123.offset, main_#t~mem124.base, main_#t~mem124.offset, main_#t~mem125.base, main_#t~mem125.offset, main_#t~post99, main_#t~mem100.base, main_#t~mem100.offset, main_#t~mem101, main_#t~mem126.base, main_#t~mem126.offset, main_#t~mem127.base, main_#t~mem127.offset, main_#t~mem128.base, main_#t~mem128.offset, main_#t~mem129, main_#t~mem130.base, main_#t~mem130.offset, main_#t~mem131, main_#t~post132, main_#t~mem133.base, main_#t~mem133.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~mem135.base, main_#t~mem135.offset, main_#t~mem136.base, main_#t~mem136.offset, main_#t~mem139, main_#t~mem137.base, main_#t~mem137.offset, main_#t~mem138, main_#t~ite142, main_#t~mem140.base, main_#t~mem140.offset, main_#t~mem141, main_#t~mem143.base, main_#t~mem143.offset, main_#t~mem144, main_#t~mem145.base, main_#t~mem145.offset, main_~_he_bkt~0, main_~_he_bkt_i~0, main_~_he_thh~0.base, main_~_he_thh~0.offset, main_~_he_hh_nxt~0.base, main_~_he_hh_nxt~0.offset, main_~#_he_new_buckets~0.base, main_~#_he_new_buckets~0.offset, main_~_he_newbkt~0.base, main_~_he_newbkt~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, main_~_ha_bkt~0, main_~_ha_hashv~0, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem149, main_#t~mem148, main_#t~mem150, main_#t~mem151, main_#t~mem153, main_#t~mem152, main_#t~mem154, main_#t~mem155, main_#t~mem157, main_#t~mem156, main_#t~mem158, main_#t~mem159, main_#t~switch160, main_#t~mem161, main_#t~mem162, main_#t~mem163, main_#t~mem164, main_#t~mem165, main_#t~mem166, main_#t~mem167, main_#t~mem168, main_#t~mem169, main_#t~mem170, main_#t~mem171, main_~_hj_i~1, main_~_hj_j~1, main_~_hj_k~1, main_~_hj_key~1.base, main_~_hj_key~1.offset, main_#t~mem172.base, main_#t~mem172.offset, main_#t~mem173, main_#t~mem174.base, main_#t~mem174.offset, main_#t~mem175.base, main_#t~mem175.offset, main_#t~mem176.base, main_#t~mem176.offset, main_#t~mem177.base, main_#t~mem177.offset, main_#t~mem178.base, main_#t~mem178.offset, main_#t~mem179.base, main_#t~mem179.offset, main_#t~mem180.base, main_#t~mem180.offset, main_#t~mem181, main_#t~mem182, main_#t~mem183, main_#t~short184, main_#t~mem185.base, main_#t~mem185.offset, main_#t~ret186, main_#t~mem187.base, main_#t~mem187.offset, main_#t~mem188.base, main_#t~mem188.offset, main_#t~mem189.base, main_#t~mem189.offset, main_#t~mem190, main_~_hf_bkt~0, main_~_hf_hashv~0, main_#t~mem191, main_#t~mem192, main_#t~mem146, main_#t~mem147, main_~#i~0.base, main_~#i~0.offset, main_~user~0.base, main_~user~0.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~users~0.base, main_~users~0.offset;call main_~#i~0.base, main_~#i~0.offset := #Ultimate.allocOnStack(4);havoc main_~user~0.base, main_~user~0.offset;havoc main_~tmp~0.base, main_~tmp~0.offset;main_~users~0.base, main_~users~0.offset := 0, 0;call write~int(0, main_~#i~0.base, main_~#i~0.offset, 4); 1076#L2220-4true [2021-11-02 22:21:57,935 INFO L793 eck$LassoCheckResult]: Loop: 1076#L2220-4true call main_#t~mem9 := read~int(main_~#i~0.base, main_~#i~0.offset, 4); 131#L2220-1true assume !!(main_#t~mem9 < 1000);havoc main_#t~mem9;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(40);main_~user~0.base, main_~user~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;havoc main_#t~malloc10.base, main_#t~malloc10.offset; 835#L2222true assume main_~user~0.base == 0 && main_~user~0.offset == 0;assume false; 493#L2222-2true call main_#t~mem11 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem11, main_~user~0.base, main_~user~0.offset, 4);havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call main_#t~mem13 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem12 * main_#t~mem13, main_~user~0.base, 4 + main_~user~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 605#L2227-124true assume !true; 920#L2220-3true call main_#t~mem7 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~#i~0.base, main_~#i~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 1076#L2220-4true [2021-11-02 22:21:57,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:21:57,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2021-11-02 22:21:57,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:21:57,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127050720] [2021-11-02 22:21:57,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:21:57,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:21:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:21:58,110 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:21:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:21:58,190 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:21:58,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:21:58,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1336134572, now seen corresponding path program 1 times [2021-11-02 22:21:58,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:21:58,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988382837] [2021-11-02 22:21:58,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:21:58,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:21:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:21:58,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:21:58,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:21:58,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988382837] [2021-11-02 22:21:58,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988382837] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:21:58,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:21:58,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:21:58,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512114726] [2021-11-02 22:21:58,317 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:21:58,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:21:58,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:21:58,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:21:58,344 INFO L87 Difference]: Start difference. First operand has 1160 states, 1155 states have (on average 1.9567099567099566) internal successors, (2260), 1155 states have internal predecessors, (2260), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:21:58,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:21:58,421 INFO L93 Difference]: Finished difference Result 1160 states and 1707 transitions. [2021-11-02 22:21:58,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:21:58,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1160 states and 1707 transitions. [2021-11-02 22:21:58,444 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1149 [2021-11-02 22:21:58,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1160 states to 1156 states and 1703 transitions. [2021-11-02 22:21:58,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1156 [2021-11-02 22:21:58,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1156 [2021-11-02 22:21:58,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1156 states and 1703 transitions. [2021-11-02 22:21:58,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:21:58,488 INFO L681 BuchiCegarLoop]: Abstraction has 1156 states and 1703 transitions. [2021-11-02 22:21:58,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states and 1703 transitions. [2021-11-02 22:21:58,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1156. [2021-11-02 22:21:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1152 states have (on average 1.4730902777777777) internal successors, (1697), 1151 states have internal predecessors, (1697), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-02 22:21:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1703 transitions. [2021-11-02 22:21:58,602 INFO L704 BuchiCegarLoop]: Abstraction has 1156 states and 1703 transitions. [2021-11-02 22:21:58,602 INFO L587 BuchiCegarLoop]: Abstraction has 1156 states and 1703 transitions. [2021-11-02 22:21:58,602 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:21:58,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1156 states and 1703 transitions. [2021-11-02 22:21:58,612 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1149 [2021-11-02 22:21:58,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:21:58,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:21:58,614 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:21:58,614 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:21:58,615 INFO L791 eck$LassoCheckResult]: Stem: 3174#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(21);~count_int_int~0 := 0; 3175#L-1 havoc main_#res;havoc main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_#t~mem19, main_#t~mem18, main_#t~mem20, main_#t~mem21, main_#t~mem23, main_#t~mem22, main_#t~mem24, main_#t~mem25, main_#t~switch26, main_#t~mem27, main_#t~mem28, main_#t~mem29, main_#t~mem30, main_#t~mem31, main_#t~mem32, main_#t~mem33, main_#t~mem34, main_#t~mem35, main_#t~mem36, main_#t~mem37, main_~_hj_i~0, main_~_hj_j~0, main_~_hj_k~0, main_~_hj_key~0.base, main_~_hj_key~0.offset, main_#t~malloc38.base, main_#t~malloc38.offset, main_#t~mem39.base, main_#t~mem39.offset, main_#t~mem40.base, main_#t~mem40.offset, main_#t~memset~res41.base, main_#t~memset~res41.offset, main_#t~mem42.base, main_#t~mem42.offset, main_#t~mem43.base, main_#t~mem43.offset, main_#t~mem44.base, main_#t~mem44.offset, main_#t~mem45.base, main_#t~mem45.offset, main_#t~mem46.base, main_#t~mem46.offset, main_#t~malloc47.base, main_#t~malloc47.offset, main_#t~mem48.base, main_#t~mem48.offset, main_#t~mem49.base, main_#t~mem49.offset, main_#t~mem50.base, main_#t~mem50.offset, main_#t~mem51.base, main_#t~mem51.offset, main_#t~mem52.base, main_#t~mem52.offset, main_#t~mem53.base, main_#t~mem53.offset, main_#t~memset~res54.base, main_#t~memset~res54.offset, main_#t~mem55.base, main_#t~mem55.offset, main_#t~mem56.base, main_#t~mem56.offset, main_#t~mem57.base, main_#t~mem57.offset, main_#t~mem58.base, main_#t~mem58.offset, main_#t~mem59, main_#t~mem60.base, main_#t~mem60.offset, main_#t~mem61.base, main_#t~mem61.offset, main_#t~mem62.base, main_#t~mem62.offset, main_#t~mem63.base, main_#t~mem63.offset, main_#t~mem64, main_#t~post65, main_#t~mem66.base, main_#t~mem66.offset, main_#t~mem67, main_#t~mem68.base, main_#t~mem68.offset, main_#t~mem69.base, main_#t~mem69.offset, main_#t~mem70, main_#t~post71, main_#t~mem72.base, main_#t~mem72.offset, main_#t~mem73.base, main_#t~mem73.offset, main_#t~mem74.base, main_#t~mem74.offset, main_#t~mem76, main_#t~mem75, main_#t~mem77.base, main_#t~mem77.offset, main_#t~mem78, main_#t~short79, main_#t~mem80.base, main_#t~mem80.offset, main_#t~mem81, main_#t~malloc82.base, main_#t~malloc82.offset, main_#t~mem83.base, main_#t~mem83.offset, main_#t~mem84.base, main_#t~mem84.offset, main_#t~mem85.base, main_#t~mem85.offset, main_#t~mem86, main_#t~memset~res87.base, main_#t~memset~res87.offset, main_#t~mem88.base, main_#t~mem88.offset, main_#t~mem89.base, main_#t~mem89.offset, main_#t~mem92, main_#t~mem90.base, main_#t~mem90.offset, main_#t~mem91, main_#t~mem93.base, main_#t~mem93.offset, main_#t~mem96, main_#t~mem94.base, main_#t~mem94.offset, main_#t~mem95, main_#t~ite97, main_#t~mem98.base, main_#t~mem98.offset, main_#t~mem102.base, main_#t~mem102.offset, main_#t~mem103.base, main_#t~mem103.offset, main_#t~mem104.base, main_#t~mem104.offset, main_#t~mem105.base, main_#t~mem105.offset, main_#t~mem108, main_#t~mem106.base, main_#t~mem106.offset, main_#t~mem107, main_#t~mem109.base, main_#t~mem109.offset, main_#t~mem110, main_#t~pre111, main_#t~mem112.base, main_#t~mem112.offset, main_#t~mem113, main_#t~mem114.base, main_#t~mem114.offset, main_#t~mem115, main_#t~post116, main_#t~mem120, main_#t~mem118, main_#t~mem117.base, main_#t~mem117.offset, main_#t~mem119, main_#t~mem121, main_#t~post122, main_#t~mem123.base, main_#t~mem123.offset, main_#t~mem124.base, main_#t~mem124.offset, main_#t~mem125.base, main_#t~mem125.offset, main_#t~post99, main_#t~mem100.base, main_#t~mem100.offset, main_#t~mem101, main_#t~mem126.base, main_#t~mem126.offset, main_#t~mem127.base, main_#t~mem127.offset, main_#t~mem128.base, main_#t~mem128.offset, main_#t~mem129, main_#t~mem130.base, main_#t~mem130.offset, main_#t~mem131, main_#t~post132, main_#t~mem133.base, main_#t~mem133.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~mem135.base, main_#t~mem135.offset, main_#t~mem136.base, main_#t~mem136.offset, main_#t~mem139, main_#t~mem137.base, main_#t~mem137.offset, main_#t~mem138, main_#t~ite142, main_#t~mem140.base, main_#t~mem140.offset, main_#t~mem141, main_#t~mem143.base, main_#t~mem143.offset, main_#t~mem144, main_#t~mem145.base, main_#t~mem145.offset, main_~_he_bkt~0, main_~_he_bkt_i~0, main_~_he_thh~0.base, main_~_he_thh~0.offset, main_~_he_hh_nxt~0.base, main_~_he_hh_nxt~0.offset, main_~#_he_new_buckets~0.base, main_~#_he_new_buckets~0.offset, main_~_he_newbkt~0.base, main_~_he_newbkt~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, main_~_ha_bkt~0, main_~_ha_hashv~0, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem149, main_#t~mem148, main_#t~mem150, main_#t~mem151, main_#t~mem153, main_#t~mem152, main_#t~mem154, main_#t~mem155, main_#t~mem157, main_#t~mem156, main_#t~mem158, main_#t~mem159, main_#t~switch160, main_#t~mem161, main_#t~mem162, main_#t~mem163, main_#t~mem164, main_#t~mem165, main_#t~mem166, main_#t~mem167, main_#t~mem168, main_#t~mem169, main_#t~mem170, main_#t~mem171, main_~_hj_i~1, main_~_hj_j~1, main_~_hj_k~1, main_~_hj_key~1.base, main_~_hj_key~1.offset, main_#t~mem172.base, main_#t~mem172.offset, main_#t~mem173, main_#t~mem174.base, main_#t~mem174.offset, main_#t~mem175.base, main_#t~mem175.offset, main_#t~mem176.base, main_#t~mem176.offset, main_#t~mem177.base, main_#t~mem177.offset, main_#t~mem178.base, main_#t~mem178.offset, main_#t~mem179.base, main_#t~mem179.offset, main_#t~mem180.base, main_#t~mem180.offset, main_#t~mem181, main_#t~mem182, main_#t~mem183, main_#t~short184, main_#t~mem185.base, main_#t~mem185.offset, main_#t~ret186, main_#t~mem187.base, main_#t~mem187.offset, main_#t~mem188.base, main_#t~mem188.offset, main_#t~mem189.base, main_#t~mem189.offset, main_#t~mem190, main_~_hf_bkt~0, main_~_hf_hashv~0, main_#t~mem191, main_#t~mem192, main_#t~mem146, main_#t~mem147, main_~#i~0.base, main_~#i~0.offset, main_~user~0.base, main_~user~0.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~users~0.base, main_~users~0.offset;call main_~#i~0.base, main_~#i~0.offset := #Ultimate.allocOnStack(4);havoc main_~user~0.base, main_~user~0.offset;havoc main_~tmp~0.base, main_~tmp~0.offset;main_~users~0.base, main_~users~0.offset := 0, 0;call write~int(0, main_~#i~0.base, main_~#i~0.offset, 4); 3435#L2220-4 [2021-11-02 22:21:58,618 INFO L793 eck$LassoCheckResult]: Loop: 3435#L2220-4 call main_#t~mem9 := read~int(main_~#i~0.base, main_~#i~0.offset, 4); 2570#L2220-1 assume !!(main_#t~mem9 < 1000);havoc main_#t~mem9;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(40);main_~user~0.base, main_~user~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;havoc main_#t~malloc10.base, main_#t~malloc10.offset; 2572#L2222 assume !(main_~user~0.base == 0 && main_~user~0.offset == 0); 3102#L2222-2 call main_#t~mem11 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem11, main_~user~0.base, main_~user~0.offset, 4);havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call main_#t~mem13 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem12 * main_#t~mem13, main_~user~0.base, 4 + main_~user~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 3103#L2227-124 havoc main_~_ha_hashv~0; 2751#L2227-49 goto; 2752#L2227-47 havoc main_~_hj_i~0;havoc main_~_hj_j~0;havoc main_~_hj_k~0;main_~_hj_key~0.base, main_~_hj_key~0.offset := main_~user~0.base, main_~user~0.offset;main_~_ha_hashv~0 := 4276993775;main_~_hj_j~0 := 2654435769;main_~_hj_i~0 := main_~_hj_j~0;main_~_hj_k~0 := 4; 3073#L2227-8 assume !(main_~_hj_k~0 % 4294967296 >= 12); 3098#L2227-9 main_~_ha_hashv~0 := 4 + main_~_ha_hashv~0;main_#t~switch26 := 11 == main_~_hj_k~0; 2860#L2227-10 assume main_#t~switch26;call main_#t~mem27 := read~int(main_~_hj_key~0.base, 10 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 16777216 * (main_#t~mem27 % 256);havoc main_#t~mem27; 2861#L2227-12 main_#t~switch26 := main_#t~switch26 || 10 == main_~_hj_k~0; 3139#L2227-13 assume main_#t~switch26;call main_#t~mem28 := read~int(main_~_hj_key~0.base, 9 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 65536 * (main_#t~mem28 % 256);havoc main_#t~mem28; 3171#L2227-15 main_#t~switch26 := main_#t~switch26 || 9 == main_~_hj_k~0; 2522#L2227-16 assume main_#t~switch26;call main_#t~mem29 := read~int(main_~_hj_key~0.base, 8 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 256 * (main_#t~mem29 % 256);havoc main_#t~mem29; 2523#L2227-18 main_#t~switch26 := main_#t~switch26 || 8 == main_~_hj_k~0; 3425#L2227-19 assume main_#t~switch26;call main_#t~mem30 := read~int(main_~_hj_key~0.base, 7 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 16777216 * (main_#t~mem30 % 256);havoc main_#t~mem30; 3455#L2227-21 main_#t~switch26 := main_#t~switch26 || 7 == main_~_hj_k~0; 3432#L2227-22 assume !main_#t~switch26; 3433#L2227-24 main_#t~switch26 := main_#t~switch26 || 6 == main_~_hj_k~0; 3225#L2227-25 assume main_#t~switch26;call main_#t~mem32 := read~int(main_~_hj_key~0.base, 5 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 256 * (main_#t~mem32 % 256);havoc main_#t~mem32; 3166#L2227-27 main_#t~switch26 := main_#t~switch26 || 5 == main_~_hj_k~0; 3167#L2227-28 assume main_#t~switch26;call main_#t~mem33 := read~int(main_~_hj_key~0.base, 4 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + main_#t~mem33 % 256;havoc main_#t~mem33; 3358#L2227-30 main_#t~switch26 := main_#t~switch26 || 4 == main_~_hj_k~0; 2548#L2227-31 assume main_#t~switch26;call main_#t~mem34 := read~int(main_~_hj_key~0.base, 3 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 16777216 * (main_#t~mem34 % 256);havoc main_#t~mem34; 2549#L2227-33 main_#t~switch26 := main_#t~switch26 || 3 == main_~_hj_k~0; 2905#L2227-34 assume main_#t~switch26;call main_#t~mem35 := read~int(main_~_hj_key~0.base, 2 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 65536 * (main_#t~mem35 % 256);havoc main_#t~mem35; 3151#L2227-36 main_#t~switch26 := main_#t~switch26 || 2 == main_~_hj_k~0; 2871#L2227-37 assume main_#t~switch26;call main_#t~mem36 := read~int(main_~_hj_key~0.base, 1 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 256 * (main_#t~mem36 % 256);havoc main_#t~mem36; 2872#L2227-39 main_#t~switch26 := main_#t~switch26 || 1 == main_~_hj_k~0; 2348#L2227-40 assume main_#t~switch26;call main_#t~mem37 := read~int(main_~_hj_key~0.base, main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + main_#t~mem37 % 256;havoc main_#t~mem37; 2349#L2227-42 havoc main_#t~switch26; 2680#L2227-45 main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8192);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 256 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 8192);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 4096);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 65536 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 1024 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32768); 3251#L2227-44 goto; 3129#L2227-46 goto; 2972#L2227-48 goto; 2973#L2227-122 call write~int(main_~_ha_hashv~0, main_~user~0.base, 36 + main_~user~0.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_~user~0.base, 28 + main_~user~0.offset, 4);call write~int(4, main_~user~0.base, 32 + main_~user~0.offset, 4); 2518#L2227-51 assume !(main_~users~0.base == 0 && main_~users~0.offset == 0);call main_#t~mem55.base, main_#t~mem55.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_#t~mem55.base, main_#t~mem55.offset, main_~user~0.base, 8 + main_~user~0.offset, 4);havoc main_#t~mem55.base, main_#t~mem55.offset; 2519#L2227-67 call write~$Pointer$(0, 0, main_~user~0.base, 16 + main_~user~0.offset, 4);call main_#t~mem56.base, main_#t~mem56.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem57.base, main_#t~mem57.offset := read~$Pointer$(main_#t~mem56.base, 16 + main_#t~mem56.offset, 4);call main_#t~mem58.base, main_#t~mem58.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem59 := read~int(main_#t~mem58.base, 20 + main_#t~mem58.offset, 4);call write~$Pointer$(main_#t~mem57.base, main_#t~mem57.offset - main_#t~mem59, main_~user~0.base, 12 + main_~user~0.offset, 4);havoc main_#t~mem56.base, main_#t~mem56.offset;havoc main_#t~mem57.base, main_#t~mem57.offset;havoc main_#t~mem58.base, main_#t~mem58.offset;havoc main_#t~mem59;call main_#t~mem60.base, main_#t~mem60.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem61.base, main_#t~mem61.offset := read~$Pointer$(main_#t~mem60.base, 16 + main_#t~mem60.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_#t~mem61.base, 8 + main_#t~mem61.offset, 4);havoc main_#t~mem60.base, main_#t~mem60.offset;havoc main_#t~mem61.base, main_#t~mem61.offset;call main_#t~mem62.base, main_#t~mem62.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem62.base, 16 + main_#t~mem62.offset, 4);havoc main_#t~mem62.base, main_#t~mem62.offset; 3180#L2227-66 goto; 3181#L2227-120 havoc main_~_ha_bkt~0;call main_#t~mem63.base, main_#t~mem63.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem64 := read~int(main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);main_#t~post65 := main_#t~mem64;call write~int(1 + main_#t~post65, main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);havoc main_#t~mem63.base, main_#t~mem63.offset;havoc main_#t~mem64;havoc main_#t~post65; 3242#L2227-71 call main_#t~mem66.base, main_#t~mem66.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem67 := read~int(main_#t~mem66.base, 4 + main_#t~mem66.offset, 4);main_~_ha_bkt~0 := ~bitwiseAnd(main_~_ha_hashv~0, main_#t~mem67 - 1);havoc main_#t~mem66.base, main_#t~mem66.offset;havoc main_#t~mem67; 3221#L2227-70 goto; 3222#L2227-118 call main_#t~mem68.base, main_#t~mem68.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem69.base, main_#t~mem69.offset := read~$Pointer$(main_#t~mem68.base, main_#t~mem68.offset, 4);main_~_ha_head~0.base, main_~_ha_head~0.offset := main_#t~mem69.base, main_#t~mem69.offset + 12 * (if main_~_ha_bkt~0 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0 % 4294967296 % 4294967296 else main_~_ha_bkt~0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem68.base, main_#t~mem68.offset;havoc main_#t~mem69.base, main_#t~mem69.offset;call main_#t~mem70 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);main_#t~post71 := main_#t~mem70;call write~int(1 + main_#t~post71, main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);havoc main_#t~mem70;havoc main_#t~post71;call main_#t~mem72.base, main_#t~mem72.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_#t~mem72.base, main_#t~mem72.offset, main_~user~0.base, 24 + main_~user~0.offset, 4);havoc main_#t~mem72.base, main_#t~mem72.offset;call write~$Pointer$(0, 0, main_~user~0.base, 20 + main_~user~0.offset, 4);call main_#t~mem73.base, main_#t~mem73.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4); 3207#L2227-73 assume main_#t~mem73.base != 0 || main_#t~mem73.offset != 0;havoc main_#t~mem73.base, main_#t~mem73.offset;call main_#t~mem74.base, main_#t~mem74.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem74.base, 12 + main_#t~mem74.offset, 4);havoc main_#t~mem74.base, main_#t~mem74.offset; 3208#L2227-75 call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call main_#t~mem76 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);call main_#t~mem75 := read~int(main_~_ha_head~0.base, 8 + main_~_ha_head~0.offset, 4);main_#t~short79 := main_#t~mem76 % 4294967296 >= 10 * (1 + main_#t~mem75) % 4294967296; 2820#L2227-76 assume main_#t~short79;call main_#t~mem77.base, main_#t~mem77.offset := read~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, 4);call main_#t~mem78 := read~int(main_#t~mem77.base, 36 + main_#t~mem77.offset, 4);main_#t~short79 := 0 == main_#t~mem78 % 4294967296; 2821#L2227-78 assume !main_#t~short79;havoc main_#t~mem76;havoc main_#t~mem75;havoc main_#t~mem77.base, main_#t~mem77.offset;havoc main_#t~mem78;havoc main_#t~short79; 2724#L2227-117 goto; 2725#L2227-119 goto; 3456#L2227-121 goto; 3408#L2227-123 goto; 3409#L2220-3 call main_#t~mem7 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~#i~0.base, main_~#i~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 3435#L2220-4 [2021-11-02 22:21:58,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:21:58,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2021-11-02 22:21:58,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:21:58,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452235225] [2021-11-02 22:21:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:21:58,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:21:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:21:58,673 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:21:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:21:58,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:21:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:21:58,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1570577107, now seen corresponding path program 1 times [2021-11-02 22:21:58,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:21:58,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734273291] [2021-11-02 22:21:58,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:21:58,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:21:58,758 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 22:21:58,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032794398] [2021-11-02 22:21:58,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:21:58,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:21:58,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:21:58,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:21:58,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 22:21:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:21:58,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 22:21:59,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:21:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:21:59,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:21:59,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734273291] [2021-11-02 22:21:59,263 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 22:21:59,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032794398] [2021-11-02 22:21:59,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032794398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:21:59,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:21:59,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:21:59,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234645887] [2021-11-02 22:21:59,267 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:21:59,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:21:59,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:21:59,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:21:59,273 INFO L87 Difference]: Start difference. First operand 1156 states and 1703 transitions. cyclomatic complexity: 550 Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:21:59,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:21:59,430 INFO L93 Difference]: Finished difference Result 1177 states and 1724 transitions. [2021-11-02 22:21:59,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:21:59,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1177 states and 1724 transitions. [2021-11-02 22:21:59,446 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1170 [2021-11-02 22:21:59,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1177 states to 1177 states and 1724 transitions. [2021-11-02 22:21:59,465 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1177 [2021-11-02 22:21:59,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1177 [2021-11-02 22:21:59,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1177 states and 1724 transitions. [2021-11-02 22:21:59,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:21:59,471 INFO L681 BuchiCegarLoop]: Abstraction has 1177 states and 1724 transitions. [2021-11-02 22:21:59,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states and 1724 transitions. [2021-11-02 22:21:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1176. [2021-11-02 22:21:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1172 states have (on average 1.4650170648464165) internal successors, (1717), 1171 states have internal predecessors, (1717), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-02 22:21:59,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1723 transitions. [2021-11-02 22:21:59,573 INFO L704 BuchiCegarLoop]: Abstraction has 1176 states and 1723 transitions. [2021-11-02 22:21:59,574 INFO L587 BuchiCegarLoop]: Abstraction has 1176 states and 1723 transitions. [2021-11-02 22:21:59,574 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:21:59,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1176 states and 1723 transitions. [2021-11-02 22:21:59,582 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1169 [2021-11-02 22:21:59,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:21:59,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:21:59,584 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:21:59,584 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:21:59,585 INFO L791 eck$LassoCheckResult]: Stem: 5667#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(21);~count_int_int~0 := 0; 5668#L-1 havoc main_#res;havoc main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_#t~mem19, main_#t~mem18, main_#t~mem20, main_#t~mem21, main_#t~mem23, main_#t~mem22, main_#t~mem24, main_#t~mem25, main_#t~switch26, main_#t~mem27, main_#t~mem28, main_#t~mem29, main_#t~mem30, main_#t~mem31, main_#t~mem32, main_#t~mem33, main_#t~mem34, main_#t~mem35, main_#t~mem36, main_#t~mem37, main_~_hj_i~0, main_~_hj_j~0, main_~_hj_k~0, main_~_hj_key~0.base, main_~_hj_key~0.offset, main_#t~malloc38.base, main_#t~malloc38.offset, main_#t~mem39.base, main_#t~mem39.offset, main_#t~mem40.base, main_#t~mem40.offset, main_#t~memset~res41.base, main_#t~memset~res41.offset, main_#t~mem42.base, main_#t~mem42.offset, main_#t~mem43.base, main_#t~mem43.offset, main_#t~mem44.base, main_#t~mem44.offset, main_#t~mem45.base, main_#t~mem45.offset, main_#t~mem46.base, main_#t~mem46.offset, main_#t~malloc47.base, main_#t~malloc47.offset, main_#t~mem48.base, main_#t~mem48.offset, main_#t~mem49.base, main_#t~mem49.offset, main_#t~mem50.base, main_#t~mem50.offset, main_#t~mem51.base, main_#t~mem51.offset, main_#t~mem52.base, main_#t~mem52.offset, main_#t~mem53.base, main_#t~mem53.offset, main_#t~memset~res54.base, main_#t~memset~res54.offset, main_#t~mem55.base, main_#t~mem55.offset, main_#t~mem56.base, main_#t~mem56.offset, main_#t~mem57.base, main_#t~mem57.offset, main_#t~mem58.base, main_#t~mem58.offset, main_#t~mem59, main_#t~mem60.base, main_#t~mem60.offset, main_#t~mem61.base, main_#t~mem61.offset, main_#t~mem62.base, main_#t~mem62.offset, main_#t~mem63.base, main_#t~mem63.offset, main_#t~mem64, main_#t~post65, main_#t~mem66.base, main_#t~mem66.offset, main_#t~mem67, main_#t~mem68.base, main_#t~mem68.offset, main_#t~mem69.base, main_#t~mem69.offset, main_#t~mem70, main_#t~post71, main_#t~mem72.base, main_#t~mem72.offset, main_#t~mem73.base, main_#t~mem73.offset, main_#t~mem74.base, main_#t~mem74.offset, main_#t~mem76, main_#t~mem75, main_#t~mem77.base, main_#t~mem77.offset, main_#t~mem78, main_#t~short79, main_#t~mem80.base, main_#t~mem80.offset, main_#t~mem81, main_#t~malloc82.base, main_#t~malloc82.offset, main_#t~mem83.base, main_#t~mem83.offset, main_#t~mem84.base, main_#t~mem84.offset, main_#t~mem85.base, main_#t~mem85.offset, main_#t~mem86, main_#t~memset~res87.base, main_#t~memset~res87.offset, main_#t~mem88.base, main_#t~mem88.offset, main_#t~mem89.base, main_#t~mem89.offset, main_#t~mem92, main_#t~mem90.base, main_#t~mem90.offset, main_#t~mem91, main_#t~mem93.base, main_#t~mem93.offset, main_#t~mem96, main_#t~mem94.base, main_#t~mem94.offset, main_#t~mem95, main_#t~ite97, main_#t~mem98.base, main_#t~mem98.offset, main_#t~mem102.base, main_#t~mem102.offset, main_#t~mem103.base, main_#t~mem103.offset, main_#t~mem104.base, main_#t~mem104.offset, main_#t~mem105.base, main_#t~mem105.offset, main_#t~mem108, main_#t~mem106.base, main_#t~mem106.offset, main_#t~mem107, main_#t~mem109.base, main_#t~mem109.offset, main_#t~mem110, main_#t~pre111, main_#t~mem112.base, main_#t~mem112.offset, main_#t~mem113, main_#t~mem114.base, main_#t~mem114.offset, main_#t~mem115, main_#t~post116, main_#t~mem120, main_#t~mem118, main_#t~mem117.base, main_#t~mem117.offset, main_#t~mem119, main_#t~mem121, main_#t~post122, main_#t~mem123.base, main_#t~mem123.offset, main_#t~mem124.base, main_#t~mem124.offset, main_#t~mem125.base, main_#t~mem125.offset, main_#t~post99, main_#t~mem100.base, main_#t~mem100.offset, main_#t~mem101, main_#t~mem126.base, main_#t~mem126.offset, main_#t~mem127.base, main_#t~mem127.offset, main_#t~mem128.base, main_#t~mem128.offset, main_#t~mem129, main_#t~mem130.base, main_#t~mem130.offset, main_#t~mem131, main_#t~post132, main_#t~mem133.base, main_#t~mem133.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~mem135.base, main_#t~mem135.offset, main_#t~mem136.base, main_#t~mem136.offset, main_#t~mem139, main_#t~mem137.base, main_#t~mem137.offset, main_#t~mem138, main_#t~ite142, main_#t~mem140.base, main_#t~mem140.offset, main_#t~mem141, main_#t~mem143.base, main_#t~mem143.offset, main_#t~mem144, main_#t~mem145.base, main_#t~mem145.offset, main_~_he_bkt~0, main_~_he_bkt_i~0, main_~_he_thh~0.base, main_~_he_thh~0.offset, main_~_he_hh_nxt~0.base, main_~_he_hh_nxt~0.offset, main_~#_he_new_buckets~0.base, main_~#_he_new_buckets~0.offset, main_~_he_newbkt~0.base, main_~_he_newbkt~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, main_~_ha_bkt~0, main_~_ha_hashv~0, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem149, main_#t~mem148, main_#t~mem150, main_#t~mem151, main_#t~mem153, main_#t~mem152, main_#t~mem154, main_#t~mem155, main_#t~mem157, main_#t~mem156, main_#t~mem158, main_#t~mem159, main_#t~switch160, main_#t~mem161, main_#t~mem162, main_#t~mem163, main_#t~mem164, main_#t~mem165, main_#t~mem166, main_#t~mem167, main_#t~mem168, main_#t~mem169, main_#t~mem170, main_#t~mem171, main_~_hj_i~1, main_~_hj_j~1, main_~_hj_k~1, main_~_hj_key~1.base, main_~_hj_key~1.offset, main_#t~mem172.base, main_#t~mem172.offset, main_#t~mem173, main_#t~mem174.base, main_#t~mem174.offset, main_#t~mem175.base, main_#t~mem175.offset, main_#t~mem176.base, main_#t~mem176.offset, main_#t~mem177.base, main_#t~mem177.offset, main_#t~mem178.base, main_#t~mem178.offset, main_#t~mem179.base, main_#t~mem179.offset, main_#t~mem180.base, main_#t~mem180.offset, main_#t~mem181, main_#t~mem182, main_#t~mem183, main_#t~short184, main_#t~mem185.base, main_#t~mem185.offset, main_#t~ret186, main_#t~mem187.base, main_#t~mem187.offset, main_#t~mem188.base, main_#t~mem188.offset, main_#t~mem189.base, main_#t~mem189.offset, main_#t~mem190, main_~_hf_bkt~0, main_~_hf_hashv~0, main_#t~mem191, main_#t~mem192, main_#t~mem146, main_#t~mem147, main_~#i~0.base, main_~#i~0.offset, main_~user~0.base, main_~user~0.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~users~0.base, main_~users~0.offset;call main_~#i~0.base, main_~#i~0.offset := #Ultimate.allocOnStack(4);havoc main_~user~0.base, main_~user~0.offset;havoc main_~tmp~0.base, main_~tmp~0.offset;main_~users~0.base, main_~users~0.offset := 0, 0;call write~int(0, main_~#i~0.base, main_~#i~0.offset, 4); 5928#L2220-4 [2021-11-02 22:21:59,585 INFO L793 eck$LassoCheckResult]: Loop: 5928#L2220-4 call main_#t~mem9 := read~int(main_~#i~0.base, main_~#i~0.offset, 4); 5062#L2220-1 assume !!(main_#t~mem9 < 1000);havoc main_#t~mem9;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(40);main_~user~0.base, main_~user~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;havoc main_#t~malloc10.base, main_#t~malloc10.offset; 5064#L2222 assume !(main_~user~0.base == 0 && main_~user~0.offset == 0); 5595#L2222-2 call main_#t~mem11 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem11, main_~user~0.base, main_~user~0.offset, 4);havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call main_#t~mem13 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem12 * main_#t~mem13, main_~user~0.base, 4 + main_~user~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 5596#L2227-124 havoc main_~_ha_hashv~0; 5248#L2227-49 goto; 5249#L2227-47 havoc main_~_hj_i~0;havoc main_~_hj_j~0;havoc main_~_hj_k~0;main_~_hj_key~0.base, main_~_hj_key~0.offset := main_~user~0.base, main_~user~0.offset;main_~_ha_hashv~0 := 4276993775;main_~_hj_j~0 := 2654435769;main_~_hj_i~0 := main_~_hj_j~0;main_~_hj_k~0 := 4; 5566#L2227-8 assume !(main_~_hj_k~0 % 4294967296 >= 12); 5591#L2227-9 main_~_ha_hashv~0 := 4 + main_~_ha_hashv~0;main_#t~switch26 := 11 == main_~_hj_k~0; 5352#L2227-10 assume main_#t~switch26;call main_#t~mem27 := read~int(main_~_hj_key~0.base, 10 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 16777216 * (main_#t~mem27 % 256);havoc main_#t~mem27; 5353#L2227-12 main_#t~switch26 := main_#t~switch26 || 10 == main_~_hj_k~0; 5636#L2227-13 assume main_#t~switch26;call main_#t~mem28 := read~int(main_~_hj_key~0.base, 9 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 65536 * (main_#t~mem28 % 256);havoc main_#t~mem28; 5665#L2227-15 main_#t~switch26 := main_#t~switch26 || 9 == main_~_hj_k~0; 5014#L2227-16 assume main_#t~switch26;call main_#t~mem29 := read~int(main_~_hj_key~0.base, 8 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 256 * (main_#t~mem29 % 256);havoc main_#t~mem29; 5015#L2227-18 main_#t~switch26 := main_#t~switch26 || 8 == main_~_hj_k~0; 5918#L2227-19 assume main_#t~switch26;call main_#t~mem30 := read~int(main_~_hj_key~0.base, 7 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 16777216 * (main_#t~mem30 % 256);havoc main_#t~mem30; 5948#L2227-21 main_#t~switch26 := main_#t~switch26 || 7 == main_~_hj_k~0; 5925#L2227-22 assume main_#t~switch26;call main_#t~mem31 := read~int(main_~_hj_key~0.base, 6 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 65536 * (main_#t~mem31 % 256);havoc main_#t~mem31; 5926#L2227-24 main_#t~switch26 := main_#t~switch26 || 6 == main_~_hj_k~0; 5718#L2227-25 assume main_#t~switch26;call main_#t~mem32 := read~int(main_~_hj_key~0.base, 5 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 256 * (main_#t~mem32 % 256);havoc main_#t~mem32; 5659#L2227-27 main_#t~switch26 := main_#t~switch26 || 5 == main_~_hj_k~0; 5660#L2227-28 assume main_#t~switch26;call main_#t~mem33 := read~int(main_~_hj_key~0.base, 4 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + main_#t~mem33 % 256;havoc main_#t~mem33; 5851#L2227-30 main_#t~switch26 := main_#t~switch26 || 4 == main_~_hj_k~0; 5043#L2227-31 assume main_#t~switch26;call main_#t~mem34 := read~int(main_~_hj_key~0.base, 3 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 16777216 * (main_#t~mem34 % 256);havoc main_#t~mem34; 5044#L2227-33 main_#t~switch26 := main_#t~switch26 || 3 == main_~_hj_k~0; 5398#L2227-34 assume main_#t~switch26;call main_#t~mem35 := read~int(main_~_hj_key~0.base, 2 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 65536 * (main_#t~mem35 % 256);havoc main_#t~mem35; 5644#L2227-36 main_#t~switch26 := main_#t~switch26 || 2 == main_~_hj_k~0; 5364#L2227-37 assume main_#t~switch26;call main_#t~mem36 := read~int(main_~_hj_key~0.base, 1 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 256 * (main_#t~mem36 % 256);havoc main_#t~mem36; 5365#L2227-39 main_#t~switch26 := main_#t~switch26 || 1 == main_~_hj_k~0; 4840#L2227-40 assume main_#t~switch26;call main_#t~mem37 := read~int(main_~_hj_key~0.base, main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + main_#t~mem37 % 256;havoc main_#t~mem37; 4841#L2227-42 havoc main_#t~switch26; 5172#L2227-45 main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8192);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 256 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 8192);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 4096);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 65536 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 1024 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32768); 5744#L2227-44 goto; 5622#L2227-46 goto; 5465#L2227-48 goto; 5466#L2227-122 call write~int(main_~_ha_hashv~0, main_~user~0.base, 36 + main_~user~0.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_~user~0.base, 28 + main_~user~0.offset, 4);call write~int(4, main_~user~0.base, 32 + main_~user~0.offset, 4); 5010#L2227-51 assume !(main_~users~0.base == 0 && main_~users~0.offset == 0);call main_#t~mem55.base, main_#t~mem55.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_#t~mem55.base, main_#t~mem55.offset, main_~user~0.base, 8 + main_~user~0.offset, 4);havoc main_#t~mem55.base, main_#t~mem55.offset; 5011#L2227-67 call write~$Pointer$(0, 0, main_~user~0.base, 16 + main_~user~0.offset, 4);call main_#t~mem56.base, main_#t~mem56.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem57.base, main_#t~mem57.offset := read~$Pointer$(main_#t~mem56.base, 16 + main_#t~mem56.offset, 4);call main_#t~mem58.base, main_#t~mem58.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem59 := read~int(main_#t~mem58.base, 20 + main_#t~mem58.offset, 4);call write~$Pointer$(main_#t~mem57.base, main_#t~mem57.offset - main_#t~mem59, main_~user~0.base, 12 + main_~user~0.offset, 4);havoc main_#t~mem56.base, main_#t~mem56.offset;havoc main_#t~mem57.base, main_#t~mem57.offset;havoc main_#t~mem58.base, main_#t~mem58.offset;havoc main_#t~mem59;call main_#t~mem60.base, main_#t~mem60.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem61.base, main_#t~mem61.offset := read~$Pointer$(main_#t~mem60.base, 16 + main_#t~mem60.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_#t~mem61.base, 8 + main_#t~mem61.offset, 4);havoc main_#t~mem60.base, main_#t~mem60.offset;havoc main_#t~mem61.base, main_#t~mem61.offset;call main_#t~mem62.base, main_#t~mem62.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem62.base, 16 + main_#t~mem62.offset, 4);havoc main_#t~mem62.base, main_#t~mem62.offset; 5673#L2227-66 goto; 5674#L2227-120 havoc main_~_ha_bkt~0;call main_#t~mem63.base, main_#t~mem63.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem64 := read~int(main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);main_#t~post65 := main_#t~mem64;call write~int(1 + main_#t~post65, main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);havoc main_#t~mem63.base, main_#t~mem63.offset;havoc main_#t~mem64;havoc main_#t~post65; 5735#L2227-71 call main_#t~mem66.base, main_#t~mem66.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem67 := read~int(main_#t~mem66.base, 4 + main_#t~mem66.offset, 4);main_~_ha_bkt~0 := ~bitwiseAnd(main_~_ha_hashv~0, main_#t~mem67 - 1);havoc main_#t~mem66.base, main_#t~mem66.offset;havoc main_#t~mem67; 5714#L2227-70 goto; 5715#L2227-118 call main_#t~mem68.base, main_#t~mem68.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem69.base, main_#t~mem69.offset := read~$Pointer$(main_#t~mem68.base, main_#t~mem68.offset, 4);main_~_ha_head~0.base, main_~_ha_head~0.offset := main_#t~mem69.base, main_#t~mem69.offset + 12 * (if main_~_ha_bkt~0 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0 % 4294967296 % 4294967296 else main_~_ha_bkt~0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem68.base, main_#t~mem68.offset;havoc main_#t~mem69.base, main_#t~mem69.offset;call main_#t~mem70 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);main_#t~post71 := main_#t~mem70;call write~int(1 + main_#t~post71, main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);havoc main_#t~mem70;havoc main_#t~post71;call main_#t~mem72.base, main_#t~mem72.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_#t~mem72.base, main_#t~mem72.offset, main_~user~0.base, 24 + main_~user~0.offset, 4);havoc main_#t~mem72.base, main_#t~mem72.offset;call write~$Pointer$(0, 0, main_~user~0.base, 20 + main_~user~0.offset, 4);call main_#t~mem73.base, main_#t~mem73.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4); 5700#L2227-73 assume main_#t~mem73.base != 0 || main_#t~mem73.offset != 0;havoc main_#t~mem73.base, main_#t~mem73.offset;call main_#t~mem74.base, main_#t~mem74.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem74.base, 12 + main_#t~mem74.offset, 4);havoc main_#t~mem74.base, main_#t~mem74.offset; 5701#L2227-75 call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call main_#t~mem76 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);call main_#t~mem75 := read~int(main_~_ha_head~0.base, 8 + main_~_ha_head~0.offset, 4);main_#t~short79 := main_#t~mem76 % 4294967296 >= 10 * (1 + main_#t~mem75) % 4294967296; 5313#L2227-76 assume main_#t~short79;call main_#t~mem77.base, main_#t~mem77.offset := read~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, 4);call main_#t~mem78 := read~int(main_#t~mem77.base, 36 + main_#t~mem77.offset, 4);main_#t~short79 := 0 == main_#t~mem78 % 4294967296; 5314#L2227-78 assume !main_#t~short79;havoc main_#t~mem76;havoc main_#t~mem75;havoc main_#t~mem77.base, main_#t~mem77.offset;havoc main_#t~mem78;havoc main_#t~short79; 5216#L2227-117 goto; 5217#L2227-119 goto; 5950#L2227-121 goto; 5901#L2227-123 goto; 5902#L2220-3 call main_#t~mem7 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~#i~0.base, main_~#i~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 5928#L2220-4 [2021-11-02 22:21:59,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:21:59,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2021-11-02 22:21:59,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:21:59,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729535264] [2021-11-02 22:21:59,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:21:59,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:21:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:21:59,606 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:21:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:21:59,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:21:59,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:21:59,639 INFO L85 PathProgramCache]: Analyzing trace with hash -726571605, now seen corresponding path program 1 times [2021-11-02 22:21:59,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:21:59,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274937218] [2021-11-02 22:21:59,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:21:59,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:21:59,671 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 22:21:59,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632876133] [2021-11-02 22:21:59,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:21:59,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:21:59,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:21:59,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:21:59,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 22:21:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:21:59,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 22:21:59,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:00,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:22:00,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274937218] [2021-11-02 22:22:00,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 22:22:00,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632876133] [2021-11-02 22:22:00,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632876133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:22:00,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:22:00,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:22:00,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919345170] [2021-11-02 22:22:00,055 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:22:00,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:22:00,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:22:00,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:22:00,056 INFO L87 Difference]: Start difference. First operand 1176 states and 1723 transitions. cyclomatic complexity: 550 Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:00,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:22:00,257 INFO L93 Difference]: Finished difference Result 2231 states and 3291 transitions. [2021-11-02 22:22:00,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:22:00,258 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2231 states and 3291 transitions. [2021-11-02 22:22:00,283 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 2216 [2021-11-02 22:22:00,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2231 states to 2231 states and 3291 transitions. [2021-11-02 22:22:00,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2231 [2021-11-02 22:22:00,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2231 [2021-11-02 22:22:00,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2231 states and 3291 transitions. [2021-11-02 22:22:00,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:00,322 INFO L681 BuchiCegarLoop]: Abstraction has 2231 states and 3291 transitions. [2021-11-02 22:22:00,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states and 3291 transitions. [2021-11-02 22:22:00,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1162. [2021-11-02 22:22:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1158 states have (on average 1.464594127806563) internal successors, (1696), 1157 states have internal predecessors, (1696), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-02 22:22:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1702 transitions. [2021-11-02 22:22:00,369 INFO L704 BuchiCegarLoop]: Abstraction has 1162 states and 1702 transitions. [2021-11-02 22:22:00,369 INFO L587 BuchiCegarLoop]: Abstraction has 1162 states and 1702 transitions. [2021-11-02 22:22:00,370 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-02 22:22:00,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1162 states and 1702 transitions. [2021-11-02 22:22:00,377 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1155 [2021-11-02 22:22:00,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:00,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:00,382 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:22:00,382 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:22:00,382 INFO L791 eck$LassoCheckResult]: Stem: 9236#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(21);~count_int_int~0 := 0; 9237#L-1 havoc main_#res;havoc main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_#t~mem19, main_#t~mem18, main_#t~mem20, main_#t~mem21, main_#t~mem23, main_#t~mem22, main_#t~mem24, main_#t~mem25, main_#t~switch26, main_#t~mem27, main_#t~mem28, main_#t~mem29, main_#t~mem30, main_#t~mem31, main_#t~mem32, main_#t~mem33, main_#t~mem34, main_#t~mem35, main_#t~mem36, main_#t~mem37, main_~_hj_i~0, main_~_hj_j~0, main_~_hj_k~0, main_~_hj_key~0.base, main_~_hj_key~0.offset, main_#t~malloc38.base, main_#t~malloc38.offset, main_#t~mem39.base, main_#t~mem39.offset, main_#t~mem40.base, main_#t~mem40.offset, main_#t~memset~res41.base, main_#t~memset~res41.offset, main_#t~mem42.base, main_#t~mem42.offset, main_#t~mem43.base, main_#t~mem43.offset, main_#t~mem44.base, main_#t~mem44.offset, main_#t~mem45.base, main_#t~mem45.offset, main_#t~mem46.base, main_#t~mem46.offset, main_#t~malloc47.base, main_#t~malloc47.offset, main_#t~mem48.base, main_#t~mem48.offset, main_#t~mem49.base, main_#t~mem49.offset, main_#t~mem50.base, main_#t~mem50.offset, main_#t~mem51.base, main_#t~mem51.offset, main_#t~mem52.base, main_#t~mem52.offset, main_#t~mem53.base, main_#t~mem53.offset, main_#t~memset~res54.base, main_#t~memset~res54.offset, main_#t~mem55.base, main_#t~mem55.offset, main_#t~mem56.base, main_#t~mem56.offset, main_#t~mem57.base, main_#t~mem57.offset, main_#t~mem58.base, main_#t~mem58.offset, main_#t~mem59, main_#t~mem60.base, main_#t~mem60.offset, main_#t~mem61.base, main_#t~mem61.offset, main_#t~mem62.base, main_#t~mem62.offset, main_#t~mem63.base, main_#t~mem63.offset, main_#t~mem64, main_#t~post65, main_#t~mem66.base, main_#t~mem66.offset, main_#t~mem67, main_#t~mem68.base, main_#t~mem68.offset, main_#t~mem69.base, main_#t~mem69.offset, main_#t~mem70, main_#t~post71, main_#t~mem72.base, main_#t~mem72.offset, main_#t~mem73.base, main_#t~mem73.offset, main_#t~mem74.base, main_#t~mem74.offset, main_#t~mem76, main_#t~mem75, main_#t~mem77.base, main_#t~mem77.offset, main_#t~mem78, main_#t~short79, main_#t~mem80.base, main_#t~mem80.offset, main_#t~mem81, main_#t~malloc82.base, main_#t~malloc82.offset, main_#t~mem83.base, main_#t~mem83.offset, main_#t~mem84.base, main_#t~mem84.offset, main_#t~mem85.base, main_#t~mem85.offset, main_#t~mem86, main_#t~memset~res87.base, main_#t~memset~res87.offset, main_#t~mem88.base, main_#t~mem88.offset, main_#t~mem89.base, main_#t~mem89.offset, main_#t~mem92, main_#t~mem90.base, main_#t~mem90.offset, main_#t~mem91, main_#t~mem93.base, main_#t~mem93.offset, main_#t~mem96, main_#t~mem94.base, main_#t~mem94.offset, main_#t~mem95, main_#t~ite97, main_#t~mem98.base, main_#t~mem98.offset, main_#t~mem102.base, main_#t~mem102.offset, main_#t~mem103.base, main_#t~mem103.offset, main_#t~mem104.base, main_#t~mem104.offset, main_#t~mem105.base, main_#t~mem105.offset, main_#t~mem108, main_#t~mem106.base, main_#t~mem106.offset, main_#t~mem107, main_#t~mem109.base, main_#t~mem109.offset, main_#t~mem110, main_#t~pre111, main_#t~mem112.base, main_#t~mem112.offset, main_#t~mem113, main_#t~mem114.base, main_#t~mem114.offset, main_#t~mem115, main_#t~post116, main_#t~mem120, main_#t~mem118, main_#t~mem117.base, main_#t~mem117.offset, main_#t~mem119, main_#t~mem121, main_#t~post122, main_#t~mem123.base, main_#t~mem123.offset, main_#t~mem124.base, main_#t~mem124.offset, main_#t~mem125.base, main_#t~mem125.offset, main_#t~post99, main_#t~mem100.base, main_#t~mem100.offset, main_#t~mem101, main_#t~mem126.base, main_#t~mem126.offset, main_#t~mem127.base, main_#t~mem127.offset, main_#t~mem128.base, main_#t~mem128.offset, main_#t~mem129, main_#t~mem130.base, main_#t~mem130.offset, main_#t~mem131, main_#t~post132, main_#t~mem133.base, main_#t~mem133.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~mem135.base, main_#t~mem135.offset, main_#t~mem136.base, main_#t~mem136.offset, main_#t~mem139, main_#t~mem137.base, main_#t~mem137.offset, main_#t~mem138, main_#t~ite142, main_#t~mem140.base, main_#t~mem140.offset, main_#t~mem141, main_#t~mem143.base, main_#t~mem143.offset, main_#t~mem144, main_#t~mem145.base, main_#t~mem145.offset, main_~_he_bkt~0, main_~_he_bkt_i~0, main_~_he_thh~0.base, main_~_he_thh~0.offset, main_~_he_hh_nxt~0.base, main_~_he_hh_nxt~0.offset, main_~#_he_new_buckets~0.base, main_~#_he_new_buckets~0.offset, main_~_he_newbkt~0.base, main_~_he_newbkt~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, main_~_ha_bkt~0, main_~_ha_hashv~0, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem149, main_#t~mem148, main_#t~mem150, main_#t~mem151, main_#t~mem153, main_#t~mem152, main_#t~mem154, main_#t~mem155, main_#t~mem157, main_#t~mem156, main_#t~mem158, main_#t~mem159, main_#t~switch160, main_#t~mem161, main_#t~mem162, main_#t~mem163, main_#t~mem164, main_#t~mem165, main_#t~mem166, main_#t~mem167, main_#t~mem168, main_#t~mem169, main_#t~mem170, main_#t~mem171, main_~_hj_i~1, main_~_hj_j~1, main_~_hj_k~1, main_~_hj_key~1.base, main_~_hj_key~1.offset, main_#t~mem172.base, main_#t~mem172.offset, main_#t~mem173, main_#t~mem174.base, main_#t~mem174.offset, main_#t~mem175.base, main_#t~mem175.offset, main_#t~mem176.base, main_#t~mem176.offset, main_#t~mem177.base, main_#t~mem177.offset, main_#t~mem178.base, main_#t~mem178.offset, main_#t~mem179.base, main_#t~mem179.offset, main_#t~mem180.base, main_#t~mem180.offset, main_#t~mem181, main_#t~mem182, main_#t~mem183, main_#t~short184, main_#t~mem185.base, main_#t~mem185.offset, main_#t~ret186, main_#t~mem187.base, main_#t~mem187.offset, main_#t~mem188.base, main_#t~mem188.offset, main_#t~mem189.base, main_#t~mem189.offset, main_#t~mem190, main_~_hf_bkt~0, main_~_hf_hashv~0, main_#t~mem191, main_#t~mem192, main_#t~mem146, main_#t~mem147, main_~#i~0.base, main_~#i~0.offset, main_~user~0.base, main_~user~0.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~users~0.base, main_~users~0.offset;call main_~#i~0.base, main_~#i~0.offset := #Ultimate.allocOnStack(4);havoc main_~user~0.base, main_~user~0.offset;havoc main_~tmp~0.base, main_~tmp~0.offset;main_~users~0.base, main_~users~0.offset := 0, 0;call write~int(0, main_~#i~0.base, main_~#i~0.offset, 4); 9497#L2220-4 [2021-11-02 22:22:00,383 INFO L793 eck$LassoCheckResult]: Loop: 9497#L2220-4 call main_#t~mem9 := read~int(main_~#i~0.base, main_~#i~0.offset, 4); 8632#L2220-1 assume !!(main_#t~mem9 < 1000);havoc main_#t~mem9;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(40);main_~user~0.base, main_~user~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;havoc main_#t~malloc10.base, main_#t~malloc10.offset; 8634#L2222 assume !(main_~user~0.base == 0 && main_~user~0.offset == 0); 9164#L2222-2 call main_#t~mem11 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem11, main_~user~0.base, main_~user~0.offset, 4);havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call main_#t~mem13 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem12 * main_#t~mem13, main_~user~0.base, 4 + main_~user~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 9165#L2227-124 havoc main_~_ha_hashv~0; 8813#L2227-49 goto; 8814#L2227-47 havoc main_~_hj_i~0;havoc main_~_hj_j~0;havoc main_~_hj_k~0;main_~_hj_key~0.base, main_~_hj_key~0.offset := main_~user~0.base, main_~user~0.offset;main_~_ha_hashv~0 := 4276993775;main_~_hj_j~0 := 2654435769;main_~_hj_i~0 := main_~_hj_j~0;main_~_hj_k~0 := 4; 9135#L2227-8 assume !(main_~_hj_k~0 % 4294967296 >= 12); 9160#L2227-9 main_~_ha_hashv~0 := 4 + main_~_ha_hashv~0;main_#t~switch26 := 11 == main_~_hj_k~0; 8922#L2227-10 assume !main_#t~switch26; 8923#L2227-12 main_#t~switch26 := main_#t~switch26 || 10 == main_~_hj_k~0; 9201#L2227-13 assume !main_#t~switch26; 9230#L2227-15 main_#t~switch26 := main_#t~switch26 || 9 == main_~_hj_k~0; 8583#L2227-16 assume !main_#t~switch26; 8584#L2227-18 main_#t~switch26 := main_#t~switch26 || 8 == main_~_hj_k~0; 9487#L2227-19 assume !main_#t~switch26; 9517#L2227-21 main_#t~switch26 := main_#t~switch26 || 7 == main_~_hj_k~0; 9494#L2227-22 assume !main_#t~switch26; 9495#L2227-24 main_#t~switch26 := main_#t~switch26 || 6 == main_~_hj_k~0; 9287#L2227-25 assume !main_#t~switch26; 9228#L2227-27 main_#t~switch26 := main_#t~switch26 || 5 == main_~_hj_k~0; 9229#L2227-28 assume !main_#t~switch26; 9420#L2227-30 main_#t~switch26 := main_#t~switch26 || 4 == main_~_hj_k~0; 8609#L2227-31 assume main_#t~switch26;call main_#t~mem34 := read~int(main_~_hj_key~0.base, 3 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 16777216 * (main_#t~mem34 % 256);havoc main_#t~mem34; 8610#L2227-33 main_#t~switch26 := main_#t~switch26 || 3 == main_~_hj_k~0; 9527#L2227-34 assume main_#t~switch26;call main_#t~mem35 := read~int(main_~_hj_key~0.base, 2 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 65536 * (main_#t~mem35 % 256);havoc main_#t~mem35; 9213#L2227-36 main_#t~switch26 := main_#t~switch26 || 2 == main_~_hj_k~0; 8933#L2227-37 assume main_#t~switch26;call main_#t~mem36 := read~int(main_~_hj_key~0.base, 1 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 256 * (main_#t~mem36 % 256);havoc main_#t~mem36; 8934#L2227-39 main_#t~switch26 := main_#t~switch26 || 1 == main_~_hj_k~0; 8409#L2227-40 assume main_#t~switch26;call main_#t~mem37 := read~int(main_~_hj_key~0.base, main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + main_#t~mem37 % 256;havoc main_#t~mem37; 8410#L2227-42 havoc main_#t~switch26; 8742#L2227-45 main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8192);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 256 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 8192);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 4096);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 65536 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 1024 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32768); 9313#L2227-44 goto; 9191#L2227-46 goto; 9034#L2227-48 goto; 9035#L2227-122 call write~int(main_~_ha_hashv~0, main_~user~0.base, 36 + main_~user~0.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_~user~0.base, 28 + main_~user~0.offset, 4);call write~int(4, main_~user~0.base, 32 + main_~user~0.offset, 4); 8579#L2227-51 assume !(main_~users~0.base == 0 && main_~users~0.offset == 0);call main_#t~mem55.base, main_#t~mem55.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_#t~mem55.base, main_#t~mem55.offset, main_~user~0.base, 8 + main_~user~0.offset, 4);havoc main_#t~mem55.base, main_#t~mem55.offset; 8580#L2227-67 call write~$Pointer$(0, 0, main_~user~0.base, 16 + main_~user~0.offset, 4);call main_#t~mem56.base, main_#t~mem56.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem57.base, main_#t~mem57.offset := read~$Pointer$(main_#t~mem56.base, 16 + main_#t~mem56.offset, 4);call main_#t~mem58.base, main_#t~mem58.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem59 := read~int(main_#t~mem58.base, 20 + main_#t~mem58.offset, 4);call write~$Pointer$(main_#t~mem57.base, main_#t~mem57.offset - main_#t~mem59, main_~user~0.base, 12 + main_~user~0.offset, 4);havoc main_#t~mem56.base, main_#t~mem56.offset;havoc main_#t~mem57.base, main_#t~mem57.offset;havoc main_#t~mem58.base, main_#t~mem58.offset;havoc main_#t~mem59;call main_#t~mem60.base, main_#t~mem60.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem61.base, main_#t~mem61.offset := read~$Pointer$(main_#t~mem60.base, 16 + main_#t~mem60.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_#t~mem61.base, 8 + main_#t~mem61.offset, 4);havoc main_#t~mem60.base, main_#t~mem60.offset;havoc main_#t~mem61.base, main_#t~mem61.offset;call main_#t~mem62.base, main_#t~mem62.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem62.base, 16 + main_#t~mem62.offset, 4);havoc main_#t~mem62.base, main_#t~mem62.offset; 9242#L2227-66 goto; 9243#L2227-120 havoc main_~_ha_bkt~0;call main_#t~mem63.base, main_#t~mem63.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem64 := read~int(main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);main_#t~post65 := main_#t~mem64;call write~int(1 + main_#t~post65, main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);havoc main_#t~mem63.base, main_#t~mem63.offset;havoc main_#t~mem64;havoc main_#t~post65; 9303#L2227-71 call main_#t~mem66.base, main_#t~mem66.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem67 := read~int(main_#t~mem66.base, 4 + main_#t~mem66.offset, 4);main_~_ha_bkt~0 := ~bitwiseAnd(main_~_ha_hashv~0, main_#t~mem67 - 1);havoc main_#t~mem66.base, main_#t~mem66.offset;havoc main_#t~mem67; 9283#L2227-70 goto; 9284#L2227-118 call main_#t~mem68.base, main_#t~mem68.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem69.base, main_#t~mem69.offset := read~$Pointer$(main_#t~mem68.base, main_#t~mem68.offset, 4);main_~_ha_head~0.base, main_~_ha_head~0.offset := main_#t~mem69.base, main_#t~mem69.offset + 12 * (if main_~_ha_bkt~0 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0 % 4294967296 % 4294967296 else main_~_ha_bkt~0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem68.base, main_#t~mem68.offset;havoc main_#t~mem69.base, main_#t~mem69.offset;call main_#t~mem70 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);main_#t~post71 := main_#t~mem70;call write~int(1 + main_#t~post71, main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);havoc main_#t~mem70;havoc main_#t~post71;call main_#t~mem72.base, main_#t~mem72.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_#t~mem72.base, main_#t~mem72.offset, main_~user~0.base, 24 + main_~user~0.offset, 4);havoc main_#t~mem72.base, main_#t~mem72.offset;call write~$Pointer$(0, 0, main_~user~0.base, 20 + main_~user~0.offset, 4);call main_#t~mem73.base, main_#t~mem73.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4); 9269#L2227-73 assume main_#t~mem73.base != 0 || main_#t~mem73.offset != 0;havoc main_#t~mem73.base, main_#t~mem73.offset;call main_#t~mem74.base, main_#t~mem74.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem74.base, 12 + main_#t~mem74.offset, 4);havoc main_#t~mem74.base, main_#t~mem74.offset; 9270#L2227-75 call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call main_#t~mem76 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);call main_#t~mem75 := read~int(main_~_ha_head~0.base, 8 + main_~_ha_head~0.offset, 4);main_#t~short79 := main_#t~mem76 % 4294967296 >= 10 * (1 + main_#t~mem75) % 4294967296; 8882#L2227-76 assume main_#t~short79;call main_#t~mem77.base, main_#t~mem77.offset := read~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, 4);call main_#t~mem78 := read~int(main_#t~mem77.base, 36 + main_#t~mem77.offset, 4);main_#t~short79 := 0 == main_#t~mem78 % 4294967296; 8883#L2227-78 assume !main_#t~short79;havoc main_#t~mem76;havoc main_#t~mem75;havoc main_#t~mem77.base, main_#t~mem77.offset;havoc main_#t~mem78;havoc main_#t~short79; 8786#L2227-117 goto; 8787#L2227-119 goto; 9518#L2227-121 goto; 9470#L2227-123 goto; 9471#L2220-3 call main_#t~mem7 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~#i~0.base, main_~#i~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 9497#L2220-4 [2021-11-02 22:22:00,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2021-11-02 22:22:00,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:00,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114277174] [2021-11-02 22:22:00,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:00,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:00,435 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:00,457 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:00,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:00,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1694021305, now seen corresponding path program 1 times [2021-11-02 22:22:00,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:00,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729390450] [2021-11-02 22:22:00,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:00,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:00,472 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 22:22:00,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028555963] [2021-11-02 22:22:00,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:00,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:22:00,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:00,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:22:00,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a812a8a6-7852-4565-bd09-e0918422ee5f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process