./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP --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 bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:45:46,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:45:46,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:45:46,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:45:46,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:45:46,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:45:46,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:45:46,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:45:46,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:45:46,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:45:46,242 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:45:46,243 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:45:46,243 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:45:46,245 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:45:46,246 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:45:46,246 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:45:46,247 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:45:46,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:45:46,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:45:46,249 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:45:46,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:45:46,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:45:46,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:45:46,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:45:46,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:45:46,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:45:46,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:45:46,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:45:46,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:45:46,262 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:45:46,263 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:45:46,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:45:46,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:45:46,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:45:46,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:45:46,266 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:45:46,266 INFO L153 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_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2023-11-06 22:45:46,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:45:46,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:45:46,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:45:46,619 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:45:46,620 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:45:46,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2023-11-06 22:45:49,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:45:50,164 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:45:50,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2023-11-06 22:45:50,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/data/f4f83b715/03ce689eed0e4d13acd0feb6af77cdf6/FLAG9b19b3be7 [2023-11-06 22:45:50,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/data/f4f83b715/03ce689eed0e4d13acd0feb6af77cdf6 [2023-11-06 22:45:50,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:45:50,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:45:50,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:50,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:45:50,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:45:50,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:50" (1/1) ... [2023-11-06 22:45:50,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446a826f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50, skipping insertion in model container [2023-11-06 22:45:50,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:50" (1/1) ... [2023-11-06 22:45:50,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:45:51,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:51,121 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:45:51,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:51,454 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:45:51,462 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:45:51,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51 WrapperNode [2023-11-06 22:45:51,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:51,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:51,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:45:51,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:45:51,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,655 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 25, calls inlined = 37, statements flattened = 1709 [2023-11-06 22:45:51,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:51,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:45:51,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:45:51,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:45:51,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:45:51,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:45:51,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:45:51,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:45:51,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (1/1) ... [2023-11-06 22:45:51,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:45:51,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:51,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:45:51,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:45:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:45:51,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:45:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:45:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:45:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:45:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:45:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:45:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:45:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:45:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:45:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:45:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:45:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:45:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:45:52,150 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:45:52,153 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:45:52,159 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:45:54,347 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:45:54,360 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:45:54,360 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-06 22:45:54,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:54 BoogieIcfgContainer [2023-11-06 22:45:54,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:45:54,364 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:45:54,364 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:45:54,368 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:45:54,369 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:45:54,369 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:45:50" (1/3) ... [2023-11-06 22:45:54,370 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72f56648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:45:54, skipping insertion in model container [2023-11-06 22:45:54,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:45:54,371 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:51" (2/3) ... [2023-11-06 22:45:54,371 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72f56648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:45:54, skipping insertion in model container [2023-11-06 22:45:54,371 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:45:54,371 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:54" (3/3) ... [2023-11-06 22:45:54,373 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_SAX_test6-2.i [2023-11-06 22:45:54,452 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:45:54,453 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:45:54,453 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:45:54,453 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:45:54,454 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:45:54,454 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:45:54,454 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:45:54,455 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:45:54,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 458 states, 453 states have (on average 1.6445916114790287) internal successors, (745), 453 states have internal predecessors, (745), 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) [2023-11-06 22:45:54,543 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 431 [2023-11-06 22:45:54,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:45:54,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:45:54,551 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:45:54,551 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:54,551 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:45:54,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 458 states, 453 states have (on average 1.6445916114790287) internal successors, (745), 453 states have internal predecessors, (745), 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) [2023-11-06 22:45:54,559 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 431 [2023-11-06 22:45:54,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:45:54,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:45:54,560 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:45:54,561 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:54,569 INFO L748 eck$LassoCheckResult]: Stem: 130#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 370#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 8#L989-4true [2023-11-06 22:45:54,570 INFO L750 eck$LassoCheckResult]: Loop: 8#L989-4true call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 233#L989-1true assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 4#real_malloc_returnLabel#1true main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 9#L991true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 85#L991-2true call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 268#L996-263true assume !true; 433#L989-3true call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 8#L989-4true [2023-11-06 22:45:54,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:54,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2023-11-06 22:45:54,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:54,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500938656] [2023-11-06 22:45:54,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:54,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:54,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:45:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:54,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:45:54,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:54,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1530803754, now seen corresponding path program 1 times [2023-11-06 22:45:54,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:54,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135837359] [2023-11-06 22:45:54,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:54,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:54,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:54,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135837359] [2023-11-06 22:45:54,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:45:54,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775974393] [2023-11-06 22:45:54,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:54,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:54,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:54,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:54,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:45:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:55,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:45:55,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:55,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:55,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775974393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:55,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:55,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:45:55,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529321694] [2023-11-06 22:45:55,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:55,171 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:45:55,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:55,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:45:55,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:45:55,219 INFO L87 Difference]: Start difference. First operand has 458 states, 453 states have (on average 1.6445916114790287) internal successors, (745), 453 states have internal predecessors, (745), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:45:55,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:55,278 INFO L93 Difference]: Finished difference Result 439 states and 628 transitions. [2023-11-06 22:45:55,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 439 states and 628 transitions. [2023-11-06 22:45:55,285 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 404 [2023-11-06 22:45:55,299 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 439 states to 422 states and 611 transitions. [2023-11-06 22:45:55,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 422 [2023-11-06 22:45:55,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 422 [2023-11-06 22:45:55,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 422 states and 611 transitions. [2023-11-06 22:45:55,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:45:55,316 INFO L218 hiAutomatonCegarLoop]: Abstraction has 422 states and 611 transitions. [2023-11-06 22:45:55,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states and 611 transitions. [2023-11-06 22:45:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2023-11-06 22:45:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 418 states have (on average 1.4473684210526316) internal successors, (605), 417 states have internal predecessors, (605), 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) [2023-11-06 22:45:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 611 transitions. [2023-11-06 22:45:55,372 INFO L240 hiAutomatonCegarLoop]: Abstraction has 422 states and 611 transitions. [2023-11-06 22:45:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:45:55,377 INFO L428 stractBuchiCegarLoop]: Abstraction has 422 states and 611 transitions. [2023-11-06 22:45:55,377 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:45:55,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 422 states and 611 transitions. [2023-11-06 22:45:55,380 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 404 [2023-11-06 22:45:55,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:45:55,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:45:55,382 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:45:55,382 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:55,383 INFO L748 eck$LassoCheckResult]: Stem: 1137#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 1138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 933#L989-4 [2023-11-06 22:45:55,385 INFO L750 eck$LassoCheckResult]: Loop: 933#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 934#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 927#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 928#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 935#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 1073#L996-263 havoc main_~_ha_hashv~0#1; 1162#L996-176 goto; 1163#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 998#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1271#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 1310#L996-73 assume !main_#t~switch68#1; 1231#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 931#L996-76 assume main_#t~switch68#1;call main_#t~mem70#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem70#1 % 256 % 4294967296);havoc main_#t~mem70#1; 932#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 1185#L996-79 assume main_#t~switch68#1;call main_#t~mem71#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem71#1 % 256 % 4294967296);havoc main_#t~mem71#1; 1124#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 1125#L996-82 assume main_#t~switch68#1;call main_#t~mem72#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem72#1 % 256 % 4294967296);havoc main_#t~mem72#1; 1276#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 975#L996-85 assume main_#t~switch68#1;call main_#t~mem73#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem73#1 % 256 % 4294967296);havoc main_#t~mem73#1; 976#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 1277#L996-88 assume main_#t~switch68#1;call main_#t~mem74#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem74#1 % 256 % 4294967296);havoc main_#t~mem74#1; 1278#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 1079#L996-91 assume main_#t~switch68#1;call main_#t~mem75#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + (if main_#t~mem75#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem75#1 % 256 % 4294967296 else main_#t~mem75#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem75#1; 1080#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 1197#L996-94 assume !main_#t~switch68#1; 1198#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 1241#L996-97 assume main_#t~switch68#1;call main_#t~mem77#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 1242#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 1086#L996-100 assume main_#t~switch68#1;call main_#t~mem78#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 1087#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 1272#L996-103 assume main_#t~switch68#1;call main_#t~mem79#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 1077#L996-105 havoc main_#t~switch68#1; 1078#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 1021#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 1023#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 1046#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 1047#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 1303#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 1122#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 1175#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 1176#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 1294#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 1184#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 1301#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 1167#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 1107#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 977#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 978#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 1157#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 1330#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 924#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 1012#L996-170 goto; 1013#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 1280#L996-173 goto; 1227#L996-175 goto; 1150#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1151#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 1189#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 1190#L996-189 goto; 1032#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 1099#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 1100#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 1239#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 1299#L996-198 goto; 1250#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1251#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 1006#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 973#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 974#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 1319#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 1335#L996-254 goto; 1344#L996-256 havoc main_~_ha_bkt~0#1; 1256#L996-257 goto; 1220#L996-259 goto; 954#L996-261 havoc main_~_ha_hashv~0#1; 955#L996-262 goto; 1287#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 933#L989-4 [2023-11-06 22:45:55,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:55,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2023-11-06 22:45:55,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:55,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192926030] [2023-11-06 22:45:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:55,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:55,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:45:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:55,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:45:55,436 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:55,437 INFO L85 PathProgramCache]: Analyzing trace with hash -580354166, now seen corresponding path program 1 times [2023-11-06 22:45:55,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:55,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005296012] [2023-11-06 22:45:55,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:55,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:55,501 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:45:55,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [851672662] [2023-11-06 22:45:55,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:55,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:55,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:55,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:55,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:45:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:55,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:45:55,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:55,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:55,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:55,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005296012] [2023-11-06 22:45:55,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:45:55,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851672662] [2023-11-06 22:45:55,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851672662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:55,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:55,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:45:55,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205698468] [2023-11-06 22:45:55,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:55,992 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:45:55,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:55,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:45:55,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:45:55,994 INFO L87 Difference]: Start difference. First operand 422 states and 611 transitions. cyclomatic complexity: 193 Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2023-11-06 22:45:56,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:56,148 INFO L93 Difference]: Finished difference Result 443 states and 632 transitions. [2023-11-06 22:45:56,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 443 states and 632 transitions. [2023-11-06 22:45:56,153 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 425 [2023-11-06 22:45:56,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 443 states to 443 states and 632 transitions. [2023-11-06 22:45:56,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 443 [2023-11-06 22:45:56,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 443 [2023-11-06 22:45:56,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 443 states and 632 transitions. [2023-11-06 22:45:56,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:45:56,161 INFO L218 hiAutomatonCegarLoop]: Abstraction has 443 states and 632 transitions. [2023-11-06 22:45:56,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states and 632 transitions. [2023-11-06 22:45:56,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 442. [2023-11-06 22:45:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 438 states have (on average 1.4269406392694064) internal successors, (625), 437 states have internal predecessors, (625), 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) [2023-11-06 22:45:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 631 transitions. [2023-11-06 22:45:56,191 INFO L240 hiAutomatonCegarLoop]: Abstraction has 442 states and 631 transitions. [2023-11-06 22:45:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:45:56,193 INFO L428 stractBuchiCegarLoop]: Abstraction has 442 states and 631 transitions. [2023-11-06 22:45:56,193 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:45:56,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 442 states and 631 transitions. [2023-11-06 22:45:56,196 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 424 [2023-11-06 22:45:56,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:45:56,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:45:56,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:45:56,199 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:56,199 INFO L748 eck$LassoCheckResult]: Stem: 2236#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 2237#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2032#L989-4 [2023-11-06 22:45:56,200 INFO L750 eck$LassoCheckResult]: Loop: 2032#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2033#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 2026#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 2027#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2034#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 2172#L996-263 havoc main_~_ha_hashv~0#1; 2261#L996-176 goto; 2262#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 2097#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2371#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 2416#L996-73 assume main_#t~switch68#1;call main_#t~mem69#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem69#1 % 256 % 4294967296);havoc main_#t~mem69#1; 2417#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 2030#L996-76 assume main_#t~switch68#1;call main_#t~mem70#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem70#1 % 256 % 4294967296);havoc main_#t~mem70#1; 2031#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 2284#L996-79 assume main_#t~switch68#1;call main_#t~mem71#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem71#1 % 256 % 4294967296);havoc main_#t~mem71#1; 2223#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 2224#L996-82 assume main_#t~switch68#1;call main_#t~mem72#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem72#1 % 256 % 4294967296);havoc main_#t~mem72#1; 2383#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 2074#L996-85 assume main_#t~switch68#1;call main_#t~mem73#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem73#1 % 256 % 4294967296);havoc main_#t~mem73#1; 2075#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 2378#L996-88 assume main_#t~switch68#1;call main_#t~mem74#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem74#1 % 256 % 4294967296);havoc main_#t~mem74#1; 2379#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 2178#L996-91 assume main_#t~switch68#1;call main_#t~mem75#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + (if main_#t~mem75#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem75#1 % 256 % 4294967296 else main_#t~mem75#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem75#1; 2179#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 2296#L996-94 assume main_#t~switch68#1;call main_#t~mem76#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 2297#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 2341#L996-97 assume main_#t~switch68#1;call main_#t~mem77#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 2342#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 2185#L996-100 assume main_#t~switch68#1;call main_#t~mem78#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 2186#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 2372#L996-103 assume main_#t~switch68#1;call main_#t~mem79#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 2176#L996-105 havoc main_#t~switch68#1; 2177#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2120#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 2122#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2145#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 2146#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2407#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 2221#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2274#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 2275#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2398#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 2283#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2405#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 2266#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2206#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 2076#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2077#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 2256#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2437#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 2023#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 2111#L996-170 goto; 2112#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 2381#L996-173 goto; 2326#L996-175 goto; 2249#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 2250#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 2288#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 2289#L996-189 goto; 2131#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 2198#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 2199#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 2339#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 2403#L996-198 goto; 2350#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 2351#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 2105#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 2072#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 2073#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 2426#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 2444#L996-254 goto; 2453#L996-256 havoc main_~_ha_bkt~0#1; 2356#L996-257 goto; 2319#L996-259 goto; 2053#L996-261 havoc main_~_ha_hashv~0#1; 2054#L996-262 goto; 2389#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 2032#L989-4 [2023-11-06 22:45:56,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:56,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2023-11-06 22:45:56,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:56,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061908243] [2023-11-06 22:45:56,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:56,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:56,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:45:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:56,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:45:56,256 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:56,257 INFO L85 PathProgramCache]: Analyzing trace with hash 191898886, now seen corresponding path program 1 times [2023-11-06 22:45:56,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:56,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465045698] [2023-11-06 22:45:56,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:56,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:56,348 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:45:56,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1245033624] [2023-11-06 22:45:56,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:56,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:56,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:56,353 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:56,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:45:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:56,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:45:56,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:56,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:56,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:56,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465045698] [2023-11-06 22:45:56,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:45:56,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245033624] [2023-11-06 22:45:56,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245033624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:56,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:56,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:45:56,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926464357] [2023-11-06 22:45:56,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:56,729 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:45:56,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:56,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:45:56,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:45:56,730 INFO L87 Difference]: Start difference. First operand 442 states and 631 transitions. cyclomatic complexity: 193 Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2023-11-06 22:45:56,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:56,841 INFO L93 Difference]: Finished difference Result 429 states and 611 transitions. [2023-11-06 22:45:56,842 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 429 states and 611 transitions. [2023-11-06 22:45:56,846 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 411 [2023-11-06 22:45:56,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 429 states to 429 states and 611 transitions. [2023-11-06 22:45:56,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 429 [2023-11-06 22:45:56,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 429 [2023-11-06 22:45:56,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 429 states and 611 transitions. [2023-11-06 22:45:56,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:45:56,853 INFO L218 hiAutomatonCegarLoop]: Abstraction has 429 states and 611 transitions. [2023-11-06 22:45:56,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states and 611 transitions. [2023-11-06 22:45:56,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 428. [2023-11-06 22:45:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 424 states have (on average 1.4245283018867925) internal successors, (604), 423 states have internal predecessors, (604), 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) [2023-11-06 22:45:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 610 transitions. [2023-11-06 22:45:56,865 INFO L240 hiAutomatonCegarLoop]: Abstraction has 428 states and 610 transitions. [2023-11-06 22:45:56,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:45:56,866 INFO L428 stractBuchiCegarLoop]: Abstraction has 428 states and 610 transitions. [2023-11-06 22:45:56,867 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:45:56,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 428 states and 610 transitions. [2023-11-06 22:45:56,869 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 410 [2023-11-06 22:45:56,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:45:56,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:45:56,870 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:45:56,870 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:56,871 INFO L748 eck$LassoCheckResult]: Stem: 3344#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 3345#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 3140#L989-4 [2023-11-06 22:45:56,872 INFO L750 eck$LassoCheckResult]: Loop: 3140#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 3141#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 3134#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 3135#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 3142#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 3280#L996-263 havoc main_~_ha_hashv~0#1; 3369#L996-176 goto; 3370#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 3205#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 3479#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 3518#L996-73 assume !main_#t~switch68#1; 3439#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 3138#L996-76 assume !main_#t~switch68#1; 3139#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 3392#L996-79 assume !main_#t~switch68#1; 3331#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 3332#L996-82 assume !main_#t~switch68#1; 3484#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 3182#L996-85 assume !main_#t~switch68#1; 3183#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 3485#L996-88 assume !main_#t~switch68#1; 3486#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 3286#L996-91 assume !main_#t~switch68#1; 3287#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 3404#L996-94 assume !main_#t~switch68#1; 3405#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 3557#L996-97 assume !main_#t~switch68#1; 3556#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 3555#L996-100 assume !main_#t~switch68#1; 3554#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 3553#L996-103 assume main_#t~switch68#1;call main_#t~mem79#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 3284#L996-105 havoc main_#t~switch68#1; 3285#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3228#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 3230#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3253#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 3254#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 3511#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 3329#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3382#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 3383#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3502#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 3391#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 3509#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 3374#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3314#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 3184#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3185#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 3364#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 3538#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 3131#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 3219#L996-170 goto; 3220#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 3488#L996-173 goto; 3435#L996-175 goto; 3357#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 3358#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 3396#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 3397#L996-189 goto; 3237#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 3306#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 3307#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 3447#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 3507#L996-198 goto; 3458#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 3459#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 3213#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 3180#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 3181#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 3527#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 3543#L996-254 goto; 3552#L996-256 havoc main_~_ha_bkt~0#1; 3464#L996-257 goto; 3424#L996-259 goto; 3161#L996-261 havoc main_~_ha_hashv~0#1; 3162#L996-262 goto; 3494#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 3140#L989-4 [2023-11-06 22:45:56,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:56,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2023-11-06 22:45:56,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:56,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679946856] [2023-11-06 22:45:56,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:56,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:56,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:45:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:56,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:45:56,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:56,975 INFO L85 PathProgramCache]: Analyzing trace with hash 441941658, now seen corresponding path program 1 times [2023-11-06 22:45:56,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:56,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830623247] [2023-11-06 22:45:56,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:56,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:57,037 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:45:57,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1232164516] [2023-11-06 22:45:57,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:57,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:57,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:57,048 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:57,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:45:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:45:57,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:57,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:57,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:57,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830623247] [2023-11-06 22:45:57,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:45:57,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232164516] [2023-11-06 22:45:57,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232164516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:57,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:57,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:57,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347843838] [2023-11-06 22:45:57,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:57,466 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:45:57,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:57,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:57,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:57,468 INFO L87 Difference]: Start difference. First operand 428 states and 610 transitions. cyclomatic complexity: 186 Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2023-11-06 22:45:57,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:57,621 INFO L93 Difference]: Finished difference Result 538 states and 776 transitions. [2023-11-06 22:45:57,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 538 states and 776 transitions. [2023-11-06 22:45:57,626 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 520 [2023-11-06 22:45:57,632 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 538 states to 538 states and 776 transitions. [2023-11-06 22:45:57,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 538 [2023-11-06 22:45:57,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 538 [2023-11-06 22:45:57,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 538 states and 776 transitions. [2023-11-06 22:45:57,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:45:57,636 INFO L218 hiAutomatonCegarLoop]: Abstraction has 538 states and 776 transitions. [2023-11-06 22:45:57,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states and 776 transitions. [2023-11-06 22:45:57,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 451. [2023-11-06 22:45:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 447 states have (on average 1.407158836689038) internal successors, (629), 446 states have internal predecessors, (629), 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) [2023-11-06 22:45:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 635 transitions. [2023-11-06 22:45:57,653 INFO L240 hiAutomatonCegarLoop]: Abstraction has 451 states and 635 transitions. [2023-11-06 22:45:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:45:57,655 INFO L428 stractBuchiCegarLoop]: Abstraction has 451 states and 635 transitions. [2023-11-06 22:45:57,655 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:45:57,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 451 states and 635 transitions. [2023-11-06 22:45:57,658 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 433 [2023-11-06 22:45:57,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:45:57,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:45:57,663 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:45:57,663 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:57,663 INFO L748 eck$LassoCheckResult]: Stem: 4546#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 4547#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 4342#L989-4 [2023-11-06 22:45:57,665 INFO L750 eck$LassoCheckResult]: Loop: 4342#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 4343#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 4336#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 4337#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 4344#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 4482#L996-263 havoc main_~_ha_hashv~0#1; 4575#L996-176 goto; 4576#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 4656#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 4744#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 4745#L996-73 assume !main_#t~switch68#1; 4642#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 4643#L996-76 assume !main_#t~switch68#1; 4594#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 4595#L996-79 assume !main_#t~switch68#1; 4533#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 4534#L996-82 assume !main_#t~switch68#1; 4689#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 4690#L996-85 assume !main_#t~switch68#1; 4691#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 4692#L996-88 assume !main_#t~switch68#1; 4758#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 4759#L996-91 assume !main_#t~switch68#1; 4773#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 4774#L996-94 assume main_#t~switch68#1;call main_#t~mem76#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 4609#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 4653#L996-97 assume main_#t~switch68#1;call main_#t~mem77#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 4654#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 4772#L996-100 assume main_#t~switch68#1;call main_#t~mem78#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 4726#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 4727#L996-103 assume main_#t~switch68#1;call main_#t~mem79#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 4486#L996-105 havoc main_#t~switch68#1; 4487#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 4427#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 4429#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 4452#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 4453#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 4723#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 4529#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 4581#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 4582#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 4714#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 4591#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 4720#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 4572#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 4515#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 4386#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 4387#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 4564#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 4754#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 4333#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 4421#L996-170 goto; 4422#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 4698#L996-173 goto; 4637#L996-175 goto; 4559#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 4560#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 4597#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 4598#L996-189 goto; 4439#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 4508#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 4509#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 4650#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 4719#L996-198 goto; 4663#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 4664#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 4415#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 4380#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 4381#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 4742#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 4762#L996-254 goto; 4771#L996-256 havoc main_~_ha_bkt~0#1; 4669#L996-257 goto; 4627#L996-259 goto; 4363#L996-261 havoc main_~_ha_hashv~0#1; 4364#L996-262 goto; 4706#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 4342#L989-4 [2023-11-06 22:45:57,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:57,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 5 times [2023-11-06 22:45:57,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:57,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862090917] [2023-11-06 22:45:57,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:57,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:57,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:45:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:57,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:45:57,726 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:57,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2042145812, now seen corresponding path program 1 times [2023-11-06 22:45:57,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:57,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323797572] [2023-11-06 22:45:57,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:57,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:57,787 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:45:57,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1238689607] [2023-11-06 22:45:57,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:57,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:57,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:57,791 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:57,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:45:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:59,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:45:59,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:59,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:59,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:59,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:59,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323797572] [2023-11-06 22:45:59,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:45:59,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238689607] [2023-11-06 22:45:59,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238689607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:59,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:59,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:45:59,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282784519] [2023-11-06 22:45:59,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:59,399 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:45:59,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:59,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:45:59,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:45:59,400 INFO L87 Difference]: Start difference. First operand 451 states and 635 transitions. cyclomatic complexity: 188 Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2023-11-06 22:46:00,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:00,113 INFO L93 Difference]: Finished difference Result 468 states and 655 transitions. [2023-11-06 22:46:00,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 468 states and 655 transitions. [2023-11-06 22:46:00,117 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 450 [2023-11-06 22:46:00,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 468 states to 468 states and 655 transitions. [2023-11-06 22:46:00,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 468 [2023-11-06 22:46:00,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 468 [2023-11-06 22:46:00,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 468 states and 655 transitions. [2023-11-06 22:46:00,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:00,126 INFO L218 hiAutomatonCegarLoop]: Abstraction has 468 states and 655 transitions. [2023-11-06 22:46:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states and 655 transitions. [2023-11-06 22:46:00,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 465. [2023-11-06 22:46:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 461 states have (on average 1.3991323210412148) internal successors, (645), 460 states have internal predecessors, (645), 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) [2023-11-06 22:46:00,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 651 transitions. [2023-11-06 22:46:00,140 INFO L240 hiAutomatonCegarLoop]: Abstraction has 465 states and 651 transitions. [2023-11-06 22:46:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:46:00,143 INFO L428 stractBuchiCegarLoop]: Abstraction has 465 states and 651 transitions. [2023-11-06 22:46:00,143 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:46:00,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 465 states and 651 transitions. [2023-11-06 22:46:00,149 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 447 [2023-11-06 22:46:00,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:00,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:00,150 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:00,151 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:00,151 INFO L748 eck$LassoCheckResult]: Stem: 5702#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 5703#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 5498#L989-4 [2023-11-06 22:46:00,152 INFO L750 eck$LassoCheckResult]: Loop: 5498#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 5499#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 5492#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 5493#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 5500#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 5637#L996-263 havoc main_~_ha_hashv~0#1; 5732#L996-176 goto; 5733#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 5810#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 5949#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 5948#L996-73 assume !main_#t~switch68#1; 5947#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 5946#L996-76 assume !main_#t~switch68#1; 5945#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 5944#L996-79 assume !main_#t~switch68#1; 5688#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 5689#L996-82 assume !main_#t~switch68#1; 5844#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 5540#L996-85 assume !main_#t~switch68#1; 5541#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 5845#L996-88 assume !main_#t~switch68#1; 5847#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 5643#L996-91 assume !main_#t~switch68#1; 5644#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 5915#L996-94 assume main_#t~switch68#1;call main_#t~mem76#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 5932#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 5930#L996-97 assume main_#t~switch68#1;call main_#t~mem77#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 5928#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 5926#L996-100 assume main_#t~switch68#1;call main_#t~mem78#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 5924#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 5922#L996-103 assume main_#t~switch68#1;call main_#t~mem79#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 5921#L996-105 havoc main_#t~switch68#1; 5920#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 5919#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 5843#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 5608#L996-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 5609#L996-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet81#1 := main_~_hj_j~0#1; 5801#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5872#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 5684#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 5736#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 5737#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 5863#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 5748#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5870#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 5729#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 5671#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 5542#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 5543#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 5721#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5898#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 5489#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 5577#L996-170 goto; 5578#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 5849#L996-173 goto; 5791#L996-175 goto; 5714#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 5715#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 5753#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 5754#L996-189 goto; 5597#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 5663#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 5664#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 5805#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 5868#L996-198 goto; 5817#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 5818#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 5571#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 5538#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 5539#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 5888#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 5904#L996-254 goto; 5914#L996-256 havoc main_~_ha_bkt~0#1; 5823#L996-257 goto; 5783#L996-259 goto; 5519#L996-261 havoc main_~_ha_hashv~0#1; 5520#L996-262 goto; 5856#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 5498#L989-4 [2023-11-06 22:46:00,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:00,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 6 times [2023-11-06 22:46:00,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:00,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956065992] [2023-11-06 22:46:00,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:00,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:00,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:00,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:00,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1590458357, now seen corresponding path program 1 times [2023-11-06 22:46:00,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:00,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354010476] [2023-11-06 22:46:00,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:00,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:00,241 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:46:00,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [314794615] [2023-11-06 22:46:00,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:00,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:00,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:00,248 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:00,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:46:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:00,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:46:00,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:00,846 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:00,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:00,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354010476] [2023-11-06 22:46:00,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:46:00,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314794615] [2023-11-06 22:46:00,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314794615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:00,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:00,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:46:00,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089003780] [2023-11-06 22:46:00,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:00,851 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:46:00,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:00,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:46:00,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:00,852 INFO L87 Difference]: Start difference. First operand 465 states and 651 transitions. cyclomatic complexity: 190 Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2023-11-06 22:46:01,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:01,840 INFO L93 Difference]: Finished difference Result 476 states and 667 transitions. [2023-11-06 22:46:01,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 476 states and 667 transitions. [2023-11-06 22:46:01,845 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 458 [2023-11-06 22:46:01,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 476 states to 476 states and 667 transitions. [2023-11-06 22:46:01,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 476 [2023-11-06 22:46:01,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 476 [2023-11-06 22:46:01,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 476 states and 667 transitions. [2023-11-06 22:46:01,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:01,853 INFO L218 hiAutomatonCegarLoop]: Abstraction has 476 states and 667 transitions. [2023-11-06 22:46:01,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states and 667 transitions. [2023-11-06 22:46:01,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 473. [2023-11-06 22:46:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 469 states have (on average 1.4008528784648189) internal successors, (657), 468 states have internal predecessors, (657), 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) [2023-11-06 22:46:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 663 transitions. [2023-11-06 22:46:01,867 INFO L240 hiAutomatonCegarLoop]: Abstraction has 473 states and 663 transitions. [2023-11-06 22:46:01,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:46:01,868 INFO L428 stractBuchiCegarLoop]: Abstraction has 473 states and 663 transitions. [2023-11-06 22:46:01,868 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 22:46:01,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 473 states and 663 transitions. [2023-11-06 22:46:01,872 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 455 [2023-11-06 22:46:01,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:01,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:01,873 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:01,873 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:01,873 INFO L748 eck$LassoCheckResult]: Stem: 6885#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 6886#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6682#L989-4 [2023-11-06 22:46:01,874 INFO L750 eck$LassoCheckResult]: Loop: 6682#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6683#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 6676#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 6677#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 6684#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 6821#L996-263 havoc main_~_ha_hashv~0#1; 6910#L996-176 goto; 6911#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 6993#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 7141#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 7140#L996-73 assume !main_#t~switch68#1; 7139#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 7138#L996-76 assume !main_#t~switch68#1; 7137#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 7136#L996-79 assume !main_#t~switch68#1; 7135#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 7134#L996-82 assume !main_#t~switch68#1; 7133#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 7132#L996-85 assume !main_#t~switch68#1; 7031#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 7032#L996-88 assume !main_#t~switch68#1; 7033#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 6827#L996-91 assume !main_#t~switch68#1; 6828#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 6945#L996-94 assume !main_#t~switch68#1; 6946#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 7124#L996-97 assume !main_#t~switch68#1; 7123#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 7122#L996-100 assume !main_#t~switch68#1; 7121#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 7023#L996-103 assume !main_#t~switch68#1; 7024#L996-105 havoc main_#t~switch68#1; 7142#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 6770#L996-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 6771#L996-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 7103#L996-111 assume main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet80#1 := 0; 7028#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 7029#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 6986#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 7059#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 6870#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 6923#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 6924#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 7050#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 6932#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 7057#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 6915#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 6855#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 6726#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 6727#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 6905#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 7089#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 6673#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 6761#L996-170 goto; 6762#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 7035#L996-173 goto; 6976#L996-175 goto; 6898#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 6899#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 6937#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 6938#L996-189 goto; 6781#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 6847#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 6848#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 6989#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 7055#L996-198 goto; 7001#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 7002#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 6755#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 6722#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 6723#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 7077#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 7096#L996-254 goto; 7109#L996-256 havoc main_~_ha_bkt~0#1; 7007#L996-257 goto; 6969#L996-259 goto; 6703#L996-261 havoc main_~_ha_hashv~0#1; 6704#L996-262 goto; 7042#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 6682#L989-4 [2023-11-06 22:46:01,874 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:01,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 7 times [2023-11-06 22:46:01,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:01,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164206219] [2023-11-06 22:46:01,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:01,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:01,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:01,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:01,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:01,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1412128119, now seen corresponding path program 1 times [2023-11-06 22:46:01,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:01,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522104062] [2023-11-06 22:46:01,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:01,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:01,967 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:46:01,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [555266004] [2023-11-06 22:46:01,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:01,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:01,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:01,979 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:01,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:46:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:02,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:46:02,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:02,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:02,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:02,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522104062] [2023-11-06 22:46:02,353 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:46:02,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555266004] [2023-11-06 22:46:02,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555266004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:02,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:02,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:46:02,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301824739] [2023-11-06 22:46:02,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:02,355 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:46:02,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:02,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:46:02,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:46:02,356 INFO L87 Difference]: Start difference. First operand 473 states and 663 transitions. cyclomatic complexity: 194 Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2023-11-06 22:46:02,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:02,424 INFO L93 Difference]: Finished difference Result 391 states and 542 transitions. [2023-11-06 22:46:02,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 391 states and 542 transitions. [2023-11-06 22:46:02,428 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 373 [2023-11-06 22:46:02,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 391 states to 391 states and 542 transitions. [2023-11-06 22:46:02,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 391 [2023-11-06 22:46:02,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 391 [2023-11-06 22:46:02,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 391 states and 542 transitions. [2023-11-06 22:46:02,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:02,435 INFO L218 hiAutomatonCegarLoop]: Abstraction has 391 states and 542 transitions. [2023-11-06 22:46:02,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states and 542 transitions. [2023-11-06 22:46:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2023-11-06 22:46:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 387 states have (on average 1.3850129198966408) internal successors, (536), 386 states have internal predecessors, (536), 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) [2023-11-06 22:46:02,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 542 transitions. [2023-11-06 22:46:02,445 INFO L240 hiAutomatonCegarLoop]: Abstraction has 391 states and 542 transitions. [2023-11-06 22:46:02,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:46:02,446 INFO L428 stractBuchiCegarLoop]: Abstraction has 391 states and 542 transitions. [2023-11-06 22:46:02,447 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-06 22:46:02,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 391 states and 542 transitions. [2023-11-06 22:46:02,449 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 373 [2023-11-06 22:46:02,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:02,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:02,451 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:02,451 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:02,451 INFO L748 eck$LassoCheckResult]: Stem: 8094#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 8095#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 7797#L989-4 [2023-11-06 22:46:02,452 INFO L750 eck$LassoCheckResult]: Loop: 7797#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 7791#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 7785#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 7786#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 7798#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 7904#L996-263 havoc main_~_ha_hashv~0#1; 7905#L996-176 goto; 8122#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 7835#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 7836#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 8047#L996-73 assume !main_#t~switch68#1; 8048#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 7793#L996-76 assume !main_#t~switch68#1; 7794#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 7884#L996-79 assume !main_#t~switch68#1; 7885#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 7910#L996-82 assume !main_#t~switch68#1; 7878#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 7850#L996-85 assume !main_#t~switch68#1; 7851#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 7879#L996-88 assume !main_#t~switch68#1; 7893#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 8026#L996-91 assume !main_#t~switch68#1; 8027#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 8142#L996-94 assume main_#t~switch68#1;call main_#t~mem76#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 7942#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 7943#L996-97 assume main_#t~switch68#1;call main_#t~mem77#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 8159#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 8034#L996-100 assume main_#t~switch68#1;call main_#t~mem78#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 8032#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 7848#L996-103 assume main_#t~switch68#1;call main_#t~mem79#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 7849#L996-105 havoc main_#t~switch68#1; 8015#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 7926#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 7873#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 7874#L996-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 7965#L996-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet81#1 := main_~_hj_j~0#1; 8022#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 8023#L996-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 8099#L996-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet82#1 := main_~_ha_hashv~0#1; 8083#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 8128#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 7865#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 7957#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 7914#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 8012#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 8013#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 8057#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 7853#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 7854#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 7989#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 8110#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 7780#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 7918#L996-170 goto; 7919#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 7897#L996-173 goto; 7898#L996-175 goto; 8116#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 8117#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 8123#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 8136#L996-189 goto; 7941#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 8050#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 7977#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 7978#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 8004#L996-198 goto; 8108#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 7882#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 7883#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 7846#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 7847#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 8085#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 8126#L996-254 goto; 8162#L996-256 havoc main_~_ha_bkt~0#1; 8163#L996-257 goto; 8154#L996-259 goto; 7818#L996-261 havoc main_~_ha_hashv~0#1; 7819#L996-262 goto; 7931#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 7797#L989-4 [2023-11-06 22:46:02,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:02,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 8 times [2023-11-06 22:46:02,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:02,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183283131] [2023-11-06 22:46:02,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:02,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:02,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:02,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:02,485 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:02,486 INFO L85 PathProgramCache]: Analyzing trace with hash 116700201, now seen corresponding path program 1 times [2023-11-06 22:46:02,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:02,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914981381] [2023-11-06 22:46:02,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:02,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:02,576 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:46:02,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533742882] [2023-11-06 22:46:02,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:02,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:02,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:02,584 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:02,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:46:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:03,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:46:03,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:03,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:03,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:03,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914981381] [2023-11-06 22:46:03,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:46:03,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533742882] [2023-11-06 22:46:03,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533742882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:03,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:03,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:46:03,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21189356] [2023-11-06 22:46:03,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:03,166 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:46:03,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:03,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:46:03,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:03,168 INFO L87 Difference]: Start difference. First operand 391 states and 542 transitions. cyclomatic complexity: 155 Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2023-11-06 22:46:03,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:03,639 INFO L93 Difference]: Finished difference Result 397 states and 550 transitions. [2023-11-06 22:46:03,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 397 states and 550 transitions. [2023-11-06 22:46:03,642 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 379 [2023-11-06 22:46:03,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 397 states to 397 states and 550 transitions. [2023-11-06 22:46:03,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 397 [2023-11-06 22:46:03,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 397 [2023-11-06 22:46:03,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 397 states and 550 transitions. [2023-11-06 22:46:03,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:03,649 INFO L218 hiAutomatonCegarLoop]: Abstraction has 397 states and 550 transitions. [2023-11-06 22:46:03,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states and 550 transitions. [2023-11-06 22:46:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 393. [2023-11-06 22:46:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 389 states have (on average 1.3830334190231361) internal successors, (538), 388 states have internal predecessors, (538), 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) [2023-11-06 22:46:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 544 transitions. [2023-11-06 22:46:03,659 INFO L240 hiAutomatonCegarLoop]: Abstraction has 393 states and 544 transitions. [2023-11-06 22:46:03,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:46:03,662 INFO L428 stractBuchiCegarLoop]: Abstraction has 393 states and 544 transitions. [2023-11-06 22:46:03,662 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-06 22:46:03,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 393 states and 544 transitions. [2023-11-06 22:46:03,665 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 375 [2023-11-06 22:46:03,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:03,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:03,666 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:03,666 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:03,666 INFO L748 eck$LassoCheckResult]: Stem: 9132#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 9133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 8835#L989-4 [2023-11-06 22:46:03,666 INFO L750 eck$LassoCheckResult]: Loop: 8835#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 8829#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 8823#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 8824#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 8836#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 8942#L996-263 havoc main_~_ha_hashv~0#1; 8943#L996-176 goto; 9160#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 8873#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 8874#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 9085#L996-73 assume !main_#t~switch68#1; 9086#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 8831#L996-76 assume !main_#t~switch68#1; 8832#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 8922#L996-79 assume !main_#t~switch68#1; 8923#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 8948#L996-82 assume !main_#t~switch68#1; 8916#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 8888#L996-85 assume !main_#t~switch68#1; 8889#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 8917#L996-88 assume !main_#t~switch68#1; 8931#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 9064#L996-91 assume !main_#t~switch68#1; 9065#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 9181#L996-94 assume main_#t~switch68#1;call main_#t~mem76#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 8980#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 8981#L996-97 assume main_#t~switch68#1;call main_#t~mem77#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 9198#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 9072#L996-100 assume main_#t~switch68#1;call main_#t~mem78#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 9070#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 8886#L996-103 assume main_#t~switch68#1;call main_#t~mem79#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 8887#L996-105 havoc main_#t~switch68#1; 9053#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 8964#L996-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 8965#L996-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 9176#L996-111 assume main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet80#1 := 0; 9185#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 9207#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 9197#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 9204#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 9121#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 9203#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 8903#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 8995#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 8952#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 9050#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 9051#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 9095#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 8891#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 8892#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 9027#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 9148#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 8818#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 8956#L996-170 goto; 8957#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 8935#L996-173 goto; 8936#L996-175 goto; 9154#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 9155#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 9161#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 9175#L996-189 goto; 8979#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 9088#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 9015#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 9016#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 9042#L996-198 goto; 9146#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 8920#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 8921#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 8884#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 8885#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 9123#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 9164#L996-254 goto; 9201#L996-256 havoc main_~_ha_bkt~0#1; 9202#L996-257 goto; 9193#L996-259 goto; 8856#L996-261 havoc main_~_ha_hashv~0#1; 8857#L996-262 goto; 8969#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 8835#L989-4 [2023-11-06 22:46:03,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:03,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 9 times [2023-11-06 22:46:03,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:03,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233485653] [2023-11-06 22:46:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:03,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:03,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:03,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:03,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:03,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1625546863, now seen corresponding path program 1 times [2023-11-06 22:46:03,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:03,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217787324] [2023-11-06 22:46:03,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:03,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:03,751 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:46:03,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840970233] [2023-11-06 22:46:03,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:03,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:03,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:03,755 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:03,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:46:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:04,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:46:04,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:04,274 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:04,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:04,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217787324] [2023-11-06 22:46:04,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:46:04,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840970233] [2023-11-06 22:46:04,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840970233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:04,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:04,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:46:04,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805249001] [2023-11-06 22:46:04,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:04,276 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:46:04,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:04,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:46:04,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:04,278 INFO L87 Difference]: Start difference. First operand 393 states and 544 transitions. cyclomatic complexity: 155 Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2023-11-06 22:46:04,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:04,684 INFO L93 Difference]: Finished difference Result 403 states and 556 transitions. [2023-11-06 22:46:04,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 403 states and 556 transitions. [2023-11-06 22:46:04,688 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 385 [2023-11-06 22:46:04,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 403 states to 403 states and 556 transitions. [2023-11-06 22:46:04,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 403 [2023-11-06 22:46:04,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 403 [2023-11-06 22:46:04,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 403 states and 556 transitions. [2023-11-06 22:46:04,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:04,694 INFO L218 hiAutomatonCegarLoop]: Abstraction has 403 states and 556 transitions. [2023-11-06 22:46:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states and 556 transitions. [2023-11-06 22:46:04,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 396. [2023-11-06 22:46:04,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 392 states have (on average 1.3826530612244898) internal successors, (542), 391 states have internal predecessors, (542), 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) [2023-11-06 22:46:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 548 transitions. [2023-11-06 22:46:04,705 INFO L240 hiAutomatonCegarLoop]: Abstraction has 396 states and 548 transitions. [2023-11-06 22:46:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:46:04,706 INFO L428 stractBuchiCegarLoop]: Abstraction has 396 states and 548 transitions. [2023-11-06 22:46:04,706 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-06 22:46:04,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 396 states and 548 transitions. [2023-11-06 22:46:04,708 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 378 [2023-11-06 22:46:04,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:04,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:04,709 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:04,709 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:04,710 INFO L748 eck$LassoCheckResult]: Stem: 10173#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 10174#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 9875#L989-4 [2023-11-06 22:46:04,710 INFO L750 eck$LassoCheckResult]: Loop: 9875#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 9869#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 9863#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 9864#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 9876#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 9982#L996-263 havoc main_~_ha_hashv~0#1; 9983#L996-176 goto; 10201#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 9913#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 9914#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 10126#L996-73 assume !main_#t~switch68#1; 10127#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 9871#L996-76 assume !main_#t~switch68#1; 9872#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 9962#L996-79 assume !main_#t~switch68#1; 9963#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 9988#L996-82 assume !main_#t~switch68#1; 9956#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 9928#L996-85 assume !main_#t~switch68#1; 9929#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 9957#L996-88 assume !main_#t~switch68#1; 9971#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 10105#L996-91 assume !main_#t~switch68#1; 10106#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 10221#L996-94 assume main_#t~switch68#1;call main_#t~mem76#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 10020#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 10021#L996-97 assume main_#t~switch68#1;call main_#t~mem77#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 10240#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 10113#L996-100 assume main_#t~switch68#1;call main_#t~mem78#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 10111#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 9926#L996-103 assume main_#t~switch68#1;call main_#t~mem79#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 9927#L996-105 havoc main_#t~switch68#1; 10095#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 10004#L996-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 10005#L996-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 10216#L996-111 assume !(main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296);assume main_#t~nondet80#1 % 4294967296 <= main_~_hj_i~0#1 % 4294967296 + main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296; 10226#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 10252#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 10239#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 10249#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 10162#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 10245#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 9943#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 10035#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 9992#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 10092#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 10093#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 10136#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 9931#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 9932#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 10069#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 10189#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 9858#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 9996#L996-170 goto; 9997#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 9975#L996-173 goto; 9976#L996-175 goto; 10195#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 10196#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 10202#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 10215#L996-189 goto; 10019#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 10129#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 10057#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 10058#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 10084#L996-198 goto; 10187#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 9960#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 9961#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 9924#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 9925#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 10164#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 10205#L996-254 goto; 10243#L996-256 havoc main_~_ha_bkt~0#1; 10244#L996-257 goto; 10234#L996-259 goto; 9896#L996-261 havoc main_~_ha_hashv~0#1; 9897#L996-262 goto; 10009#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 9875#L989-4 [2023-11-06 22:46:04,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:04,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 10 times [2023-11-06 22:46:04,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:04,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807312287] [2023-11-06 22:46:04,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:04,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:04,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:04,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:04,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:04,742 INFO L85 PathProgramCache]: Analyzing trace with hash -423840979, now seen corresponding path program 1 times [2023-11-06 22:46:04,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:04,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473854419] [2023-11-06 22:46:04,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:04,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:04,787 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:46:04,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2049102705] [2023-11-06 22:46:04,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:04,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:04,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:04,791 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:04,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:46:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:05,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:46:05,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:17,257 WARN L293 SmtUtils]: Spent 11.34s on a formula simplification. DAG size of input: 18 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:46:23,525 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:46:37,579 WARN L293 SmtUtils]: Spent 12.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:46:49,616 WARN L293 SmtUtils]: Spent 12.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:47:01,747 WARN L293 SmtUtils]: Spent 12.13s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:47:10,768 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:47:37,440 WARN L293 SmtUtils]: Spent 12.99s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:47:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:37,510 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:47:37,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:37,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473854419] [2023-11-06 22:47:37,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:47:37,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049102705] [2023-11-06 22:47:37,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049102705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:37,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:37,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:47:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986106314] [2023-11-06 22:47:37,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:37,511 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:47:37,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:37,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:47:37,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:47:37,512 INFO L87 Difference]: Start difference. First operand 396 states and 548 transitions. cyclomatic complexity: 156 Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:47:49,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:47:54,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:48:06,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:48:18,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:48:30,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:48:32,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:48:44,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:48:56,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:49:08,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.37s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:49:20,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:49:27,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.86s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:49:39,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:49:40,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:49:40,060 INFO L93 Difference]: Finished difference Result 406 states and 560 transitions. [2023-11-06 22:49:40,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 406 states and 560 transitions. [2023-11-06 22:49:40,064 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 388 [2023-11-06 22:49:40,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 406 states to 406 states and 560 transitions. [2023-11-06 22:49:40,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 406 [2023-11-06 22:49:40,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 406 [2023-11-06 22:49:40,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 406 states and 560 transitions. [2023-11-06 22:49:40,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:40,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 406 states and 560 transitions. [2023-11-06 22:49:40,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states and 560 transitions. [2023-11-06 22:49:40,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 396. [2023-11-06 22:49:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 392 states have (on average 1.3826530612244898) internal successors, (542), 391 states have internal predecessors, (542), 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) [2023-11-06 22:49:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 548 transitions. [2023-11-06 22:49:40,083 INFO L240 hiAutomatonCegarLoop]: Abstraction has 396 states and 548 transitions. [2023-11-06 22:49:40,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:49:40,084 INFO L428 stractBuchiCegarLoop]: Abstraction has 396 states and 548 transitions. [2023-11-06 22:49:40,084 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-06 22:49:40,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 396 states and 548 transitions. [2023-11-06 22:49:40,087 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 378 [2023-11-06 22:49:40,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:49:40,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:49:40,088 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:49:40,088 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:40,088 INFO L748 eck$LassoCheckResult]: Stem: 11223#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 11224#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 10924#L989-4 [2023-11-06 22:49:40,090 INFO L750 eck$LassoCheckResult]: Loop: 10924#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 10918#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 10912#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 10913#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 10925#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 11031#L996-263 havoc main_~_ha_hashv~0#1; 11032#L996-176 goto; 11251#L996-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 10962#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 10963#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 11176#L996-73 assume !main_#t~switch68#1; 11177#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 10920#L996-76 assume !main_#t~switch68#1; 10921#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 11011#L996-79 assume !main_#t~switch68#1; 11012#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 11037#L996-82 assume !main_#t~switch68#1; 11005#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 10977#L996-85 assume !main_#t~switch68#1; 10978#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 11006#L996-88 assume !main_#t~switch68#1; 11020#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 11155#L996-91 assume !main_#t~switch68#1; 11156#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 11271#L996-94 assume main_#t~switch68#1;call main_#t~mem76#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 11070#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 11071#L996-97 assume main_#t~switch68#1;call main_#t~mem77#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 11289#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 11163#L996-100 assume main_#t~switch68#1;call main_#t~mem78#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 11161#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 10975#L996-103 assume main_#t~switch68#1;call main_#t~mem79#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 10976#L996-105 havoc main_#t~switch68#1; 11145#L996-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 11053#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 11055#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 11297#L996-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 11298#L996-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 11287#L996-118 assume !(main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296);assume main_#t~nondet81#1 % 4294967296 <= main_~_hj_j~0#1 % 4294967296 + 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296; 11288#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 11299#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 11212#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 11294#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 10992#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 11085#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 11041#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 11142#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 11143#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 11186#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 10980#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 10981#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 11119#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 11239#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 10907#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 11045#L996-170 goto; 11046#L996-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 11024#L996-173 goto; 11025#L996-175 goto; 11245#L996-260 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 11246#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 11252#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 11265#L996-189 goto; 11069#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 11179#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 11107#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 11108#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 11134#L996-198 goto; 11237#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 11009#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 11010#L996-203 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 10973#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 10974#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 11214#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 11255#L996-254 goto; 11292#L996-256 havoc main_~_ha_bkt~0#1; 11293#L996-257 goto; 11283#L996-259 goto; 10945#L996-261 havoc main_~_ha_hashv~0#1; 10946#L996-262 goto; 11059#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 10924#L989-4 [2023-11-06 22:49:40,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:40,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 11 times [2023-11-06 22:49:40,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:40,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981223695] [2023-11-06 22:49:40,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:40,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:40,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:49:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:40,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:49:40,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:40,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1341561869, now seen corresponding path program 1 times [2023-11-06 22:49:40,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:40,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560821646] [2023-11-06 22:49:40,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:40,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:40,185 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:49:40,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166833753] [2023-11-06 22:49:40,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:40,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:49:40,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:40,192 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:49:40,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09146a99-a00c-4f42-a2b6-fa7e94c6eb26/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:49:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:45,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-06 22:49:45,883 INFO L285 TraceCheckSpWp]: Computing forward predicates...