./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8 --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 75ad91d1ba346b49105baf3c8411bd3b92e43cc8020f63db454a4318afdf99c1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:33:05,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:33:05,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:33:05,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:33:05,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:33:05,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:33:05,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:33:05,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:33:05,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:33:05,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:33:05,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:33:05,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:33:05,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:33:05,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:33:05,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:33:05,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:33:05,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:33:05,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:33:05,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:33:05,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:33:05,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:33:05,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:33:05,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:33:05,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:33:05,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:33:05,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:33:05,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:33:05,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:33:05,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:33:05,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:33:05,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:33:05,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:33:05,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:33:05,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:33:05,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:33:05,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:33:05,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:33:05,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:33:05,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:33:05,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:33:05,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:33:05,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:33:05,622 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:33:05,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:33:05,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:33:05,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:33:05,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:33:05,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:33:05,624 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:33:05,625 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:33:05,625 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:33:05,625 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:33:05,625 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:33:05,625 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:33:05,626 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:33:05,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:33:05,626 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:33:05,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:33:05,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:33:05,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:33:05,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:33:05,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:33:05,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:33:05,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:33:05,628 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:33:05,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:33:05,629 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:33:05,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:33:05,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:33:05,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:33:05,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:33:05,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:33:05,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:33:05,631 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:33:05,631 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75ad91d1ba346b49105baf3c8411bd3b92e43cc8020f63db454a4318afdf99c1 [2022-11-16 11:33:05,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:33:05,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:33:05,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:33:05,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:33:05,889 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:33:05,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2022-11-16 11:33:05,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/data/4630b693e/e7c3a1cd6c1d41bf90f6bc40e3f590e4/FLAG2f870d017 [2022-11-16 11:33:06,635 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:33:06,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2022-11-16 11:33:06,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/data/4630b693e/e7c3a1cd6c1d41bf90f6bc40e3f590e4/FLAG2f870d017 [2022-11-16 11:33:06,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/data/4630b693e/e7c3a1cd6c1d41bf90f6bc40e3f590e4 [2022-11-16 11:33:06,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:33:06,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:33:06,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:33:06,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:33:06,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:33:06,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:06" (1/1) ... [2022-11-16 11:33:06,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468536c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:06, skipping insertion in model container [2022-11-16 11:33:06,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:06" (1/1) ... [2022-11-16 11:33:06,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:33:07,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:33:07,353 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2022-11-16 11:33:07,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:33:07,364 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:33:07,470 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2022-11-16 11:33:07,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:33:07,488 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:33:07,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07 WrapperNode [2022-11-16 11:33:07,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:33:07,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:33:07,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:33:07,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:33:07,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,582 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 858 [2022-11-16 11:33:07,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:33:07,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:33:07,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:33:07,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:33:07,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,629 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:33:07,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:33:07,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:33:07,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:33:07,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (1/1) ... [2022-11-16 11:33:07,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:07,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:07,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:07,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:33:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:33:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:33:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:33:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:33:07,876 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:33:07,878 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:33:08,976 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:33:08,995 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:33:08,998 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:33:09,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:09 BoogieIcfgContainer [2022-11-16 11:33:09,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:33:09,006 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:33:09,006 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:33:09,010 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:33:09,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:33:09,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:33:06" (1/3) ... [2022-11-16 11:33:09,017 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@604d27a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:33:09, skipping insertion in model container [2022-11-16 11:33:09,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:33:09,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:07" (2/3) ... [2022-11-16 11:33:09,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@604d27a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:33:09, skipping insertion in model container [2022-11-16 11:33:09,018 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:33:09,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:09" (3/3) ... [2022-11-16 11:33:09,020 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2022-11-16 11:33:09,086 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:33:09,087 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:33:09,087 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:33:09,087 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:33:09,087 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:33:09,087 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:33:09,087 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:33:09,088 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:33:09,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 275 states, 274 states have (on average 1.813868613138686) internal successors, (497), 274 states have internal predecessors, (497), 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) [2022-11-16 11:33:09,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2022-11-16 11:33:09,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:33:09,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:33:09,143 INFO L148 hiAutomatonCegarLoop]: Counterexample stem 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] [2022-11-16 11:33:09,144 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] [2022-11-16 11:33:09,144 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:33:09,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 275 states, 274 states have (on average 1.813868613138686) internal successors, (497), 274 states have internal predecessors, (497), 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) [2022-11-16 11:33:09,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2022-11-16 11:33:09,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:33:09,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:33:09,179 INFO L148 hiAutomatonCegarLoop]: Counterexample stem 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] [2022-11-16 11:33:09,179 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] [2022-11-16 11:33:09,200 INFO L748 eck$LassoCheckResult]: Stem: 265#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(39, 2);call #Ultimate.allocInit(12, 3);~p41_old~0 := 0;~r2~0 := 0;~r3~0 := 0;~ep24~0 := 0;~r4~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p24_new~0 := 0;~p24_old~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p14~0 := 0;~p13~0 := 0;~p14_new~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p14_old~0 := 0;~p41_new~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep14~0 := 0;~p43_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p43_old~0 := 0;~p13_old~0 := 0;~p42_new~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~p24~0 := 0;~nl3~0 := 0;~p42_old~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~nl4~0 := 0;~p12_old~0 := 0;~mode4~0 := 0;~mode3~0 := 0;~ep43~0 := 0;~ep42~0 := 0;~ep41~0 := 0;~p32~0 := 0;~p31~0 := 0;~p34~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~ep34~0 := 0;~max4~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~m4~0 := 0;~p41~0 := 0;~p43~0 := 0;~p42~0 := 0;~st2~0 := 0;~st1~0 := 0;~st4~0 := 0;~p34_old~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~p34_new~0 := 0;~id4~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 166#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 165#L406true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 42#L417true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 232#L427true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 234#L438true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 125#L448true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 6#L459true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 12#L469true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 48#L480true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 149#L490true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 175#L501true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 201#L511true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 244#L522true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 56#L532true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 47#L543true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 215#L553true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 14#L564true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 49#L574true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 213#L585true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 276#L595true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 148#L606true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 248#L616true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 52#L627true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 106#L637true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 275#L648true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 157#L658true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 111#L669true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 245#L679true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 182#L690true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 62#L700true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 168#L711true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 83#L721true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 158#L732true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 40#L742true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 128#L753true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 202#L763true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 228#L774true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 262#L784true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 139#L795true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 82#L805true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 203#L816true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 50#L826true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 114#L837true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 250#L847true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 212#L858true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 27#L868true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 90#L879true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 9#L889true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 229#L900true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 19#L910true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 16#L910-1true init_#res#1 := init_~tmp___23~0#1; 91#L1031true main_#t~ret44#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 46#L22true assume !(0 == assume_abort_if_not_~cond#1); 100#L21true assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 2#L1168-2true [2022-11-16 11:33:09,205 INFO L750 eck$LassoCheckResult]: Loop: 2#L1168-2true assume !false;assume { :begin_inline_node1 } true; 71#L110true assume !(0 != ~mode1~0 % 256); 61#L145true assume !(~r1~0 % 256 < 3); 69#L145-1true ~mode1~0 := 1; 45#L110-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 93#L166true assume !(0 != ~mode2~0 % 256); 192#L201true assume !(~r2~0 % 256 < 3); 236#L201-1true ~mode2~0 := 1; 231#L166-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 84#L222true assume !(0 != ~mode3~0 % 256); 124#L257true assume !(~r3~0 % 256 < 3); 55#L257-1true ~mode3~0 := 1; 11#L222-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 132#L278true assume !(0 != ~mode4~0 % 256); 25#L313true assume !(~r4~0 % 256 < 3); 119#L313-1true ~mode4~0 := 1; 136#L278-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 140#L1039true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 243#L1039-1true check_#res#1 := check_~tmp~1#1; 66#L1091true main_#t~ret45#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 37#L1210true assume !(0 == assert_~arg#1 % 256); 36#L1205true assume { :end_inline_assert } true; 2#L1168-2true [2022-11-16 11:33:09,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:09,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 1 times [2022-11-16 11:33:09,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:09,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314980812] [2022-11-16 11:33:09,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:09,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:33:09,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:09,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314980812] [2022-11-16 11:33:09,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314980812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:09,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:09,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:33:09,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149372994] [2022-11-16 11:33:09,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:09,875 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:33:09,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash -79161075, now seen corresponding path program 1 times [2022-11-16 11:33:09,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:09,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106197092] [2022-11-16 11:33:09,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:09,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:10,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:33:10,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:10,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106197092] [2022-11-16 11:33:10,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106197092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:10,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:10,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:33:10,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66653257] [2022-11-16 11:33:10,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:10,133 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:33:10,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:10,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:33:10,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:33:10,164 INFO L87 Difference]: Start difference. First operand has 275 states, 274 states have (on average 1.813868613138686) internal successors, (497), 274 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-11-16 11:33:10,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:10,309 INFO L93 Difference]: Finished difference Result 275 states and 493 transitions. [2022-11-16 11:33:10,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 493 transitions. [2022-11-16 11:33:10,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2022-11-16 11:33:10,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 270 states and 480 transitions. [2022-11-16 11:33:10,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 270 [2022-11-16 11:33:10,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 270 [2022-11-16 11:33:10,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 270 states and 480 transitions. [2022-11-16 11:33:10,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:33:10,333 INFO L218 hiAutomatonCegarLoop]: Abstraction has 270 states and 480 transitions. [2022-11-16 11:33:10,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states and 480 transitions. [2022-11-16 11:33:10,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2022-11-16 11:33:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 270 states have (on average 1.7777777777777777) internal successors, (480), 269 states have internal predecessors, (480), 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) [2022-11-16 11:33:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 480 transitions. [2022-11-16 11:33:10,394 INFO L240 hiAutomatonCegarLoop]: Abstraction has 270 states and 480 transitions. [2022-11-16 11:33:10,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:33:10,407 INFO L428 stractBuchiCegarLoop]: Abstraction has 270 states and 480 transitions. [2022-11-16 11:33:10,408 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:33:10,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 270 states and 480 transitions. [2022-11-16 11:33:10,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2022-11-16 11:33:10,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:33:10,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:33:10,425 INFO L148 hiAutomatonCegarLoop]: Counterexample stem 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] [2022-11-16 11:33:10,426 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] [2022-11-16 11:33:10,426 INFO L748 eck$LassoCheckResult]: Stem: 836#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(39, 2);call #Ultimate.allocInit(12, 3);~p41_old~0 := 0;~r2~0 := 0;~r3~0 := 0;~ep24~0 := 0;~r4~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p24_new~0 := 0;~p24_old~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p14~0 := 0;~p13~0 := 0;~p14_new~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p14_old~0 := 0;~p41_new~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep14~0 := 0;~p43_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p43_old~0 := 0;~p13_old~0 := 0;~p42_new~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~p24~0 := 0;~nl3~0 := 0;~p42_old~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~nl4~0 := 0;~p12_old~0 := 0;~mode4~0 := 0;~mode3~0 := 0;~ep43~0 := 0;~ep42~0 := 0;~ep41~0 := 0;~p32~0 := 0;~p31~0 := 0;~p34~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~ep34~0 := 0;~max4~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~m4~0 := 0;~p41~0 := 0;~p43~0 := 0;~p42~0 := 0;~st2~0 := 0;~st1~0 := 0;~st4~0 := 0;~p34_old~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~p34_new~0 := 0;~id4~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 802#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 801#L406 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 606#L417 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 651#L427 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 779#L438 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 767#L448 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 578#L459 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 579#L469 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 594#L480 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 662#L490 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 653#L501 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 807#L511 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 655#L522 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 673#L532 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 660#L543 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 661#L553 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 600#L564 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 601#L574 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 663#L585 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 824#L595 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 639#L606 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 791#L616 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 667#L627 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 668#L637 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 740#L648 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 796#L658 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 633#L669 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 747#L679 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 645#L690 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 685#L700 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 686#L711 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 716#L721 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 584#L732 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 646#L742 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 647#L753 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 771#L763 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 794#L774 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 830#L784 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 721#L795 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 714#L805 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 681#L816 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 665#L826 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 596#L837 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 752#L847 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 755#L858 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 623#L868 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 624#L879 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 585#L889 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 586#L900 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 607#L910 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 572#L910-1 init_#res#1 := init_~tmp___23~0#1; 604#L1031 main_#t~ret44#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 658#L22 assume !(0 == assume_abort_if_not_~cond#1); 659#L21 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 568#L1168-2 [2022-11-16 11:33:10,427 INFO L750 eck$LassoCheckResult]: Loop: 568#L1168-2 assume !false;assume { :begin_inline_node1 } true; 569#L110 assume !(0 != ~mode1~0 % 256); 682#L145 assume !(~r1~0 % 256 < 3); 684#L145-1 ~mode1~0 := 1; 610#L110-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 657#L166 assume !(0 != ~mode2~0 % 256); 726#L201 assume !(~r2~0 % 256 < 3); 811#L201-1 ~mode2~0 := 1; 831#L166-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 718#L222 assume !(0 != ~mode3~0 % 256); 719#L257 assume !(~r3~0 % 256 < 3); 672#L257-1 ~mode3~0 := 1; 591#L222-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 592#L278 assume !(0 != ~mode4~0 % 256); 618#L313 assume !(~r4~0 % 256 < 3); 620#L313-1 ~mode4~0 := 1; 757#L278-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 776#L1039 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 649#L1040 assume ~st1~0 + ~nl1~0 <= 1; 650#L1041 assume ~st2~0 + ~nl2~0 <= 1; 602#L1042 assume ~st3~0 + ~nl3~0 <= 1; 603#L1043 assume ~st4~0 + ~nl4~0 <= 1; 753#L1044 assume ~r1~0 % 256 >= 3; 692#L1048 assume ~r1~0 % 256 < 3; 675#L1053 assume ~r1~0 % 256 >= 3; 643#L1058 assume ~r1~0 % 256 < 3;check_~tmp~1#1 := 1; 599#L1039-1 check_#res#1 := check_~tmp~1#1; 693#L1091 main_#t~ret45#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 641#L1210 assume !(0 == assert_~arg#1 % 256); 640#L1205 assume { :end_inline_assert } true; 568#L1168-2 [2022-11-16 11:33:10,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:10,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 2 times [2022-11-16 11:33:10,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:10,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501280374] [2022-11-16 11:33:10,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:10,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:33:10,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:10,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501280374] [2022-11-16 11:33:10,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501280374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:10,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:10,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:33:10,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817895887] [2022-11-16 11:33:10,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:10,626 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:33:10,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:10,627 INFO L85 PathProgramCache]: Analyzing trace with hash -2144843044, now seen corresponding path program 1 times [2022-11-16 11:33:10,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:10,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958832136] [2022-11-16 11:33:10,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:33:10,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:10,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958832136] [2022-11-16 11:33:10,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958832136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:10,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:10,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:33:10,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630732648] [2022-11-16 11:33:10,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:10,711 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:33:10,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:10,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:33:10,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:33:10,714 INFO L87 Difference]: Start difference. First operand 270 states and 480 transitions. cyclomatic complexity: 211 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-11-16 11:33:10,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:10,797 INFO L93 Difference]: Finished difference Result 345 states and 599 transitions. [2022-11-16 11:33:10,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 345 states and 599 transitions. [2022-11-16 11:33:10,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 165 [2022-11-16 11:33:10,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 345 states to 345 states and 599 transitions. [2022-11-16 11:33:10,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 345 [2022-11-16 11:33:10,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 345 [2022-11-16 11:33:10,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 345 states and 599 transitions. [2022-11-16 11:33:10,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:33:10,818 INFO L218 hiAutomatonCegarLoop]: Abstraction has 345 states and 599 transitions. [2022-11-16 11:33:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states and 599 transitions. [2022-11-16 11:33:10,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2022-11-16 11:33:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 343 states have (on average 1.7376093294460642) internal successors, (596), 342 states have internal predecessors, (596), 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) [2022-11-16 11:33:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 596 transitions. [2022-11-16 11:33:10,848 INFO L240 hiAutomatonCegarLoop]: Abstraction has 343 states and 596 transitions. [2022-11-16 11:33:10,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:33:10,850 INFO L428 stractBuchiCegarLoop]: Abstraction has 343 states and 596 transitions. [2022-11-16 11:33:10,853 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:33:10,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 343 states and 596 transitions. [2022-11-16 11:33:10,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 163 [2022-11-16 11:33:10,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:33:10,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:33:10,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem 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] [2022-11-16 11:33:10,860 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] [2022-11-16 11:33:10,861 INFO L748 eck$LassoCheckResult]: Stem: 1467#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(39, 2);call #Ultimate.allocInit(12, 3);~p41_old~0 := 0;~r2~0 := 0;~r3~0 := 0;~ep24~0 := 0;~r4~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p24_new~0 := 0;~p24_old~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p14~0 := 0;~p13~0 := 0;~p14_new~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p14_old~0 := 0;~p41_new~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep14~0 := 0;~p43_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p43_old~0 := 0;~p13_old~0 := 0;~p42_new~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~p24~0 := 0;~nl3~0 := 0;~p42_old~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~nl4~0 := 0;~p12_old~0 := 0;~mode4~0 := 0;~mode3~0 := 0;~ep43~0 := 0;~ep42~0 := 0;~ep41~0 := 0;~p32~0 := 0;~p31~0 := 0;~p34~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~ep34~0 := 0;~max4~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~m4~0 := 0;~p41~0 := 0;~p43~0 := 0;~p42~0 := 0;~st2~0 := 0;~st1~0 := 0;~st4~0 := 0;~p34_old~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~p34_new~0 := 0;~id4~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 1430#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1429#L406 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1230#L417 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1275#L427 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1406#L438 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1393#L448 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1202#L459 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1203#L469 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1218#L480 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1286#L490 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1277#L501 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1436#L511 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1279#L522 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1297#L532 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1284#L543 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1285#L553 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1224#L564 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1225#L574 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1287#L585 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1453#L595 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1263#L606 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1418#L616 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1291#L627 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1292#L637 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1366#L648 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1424#L658 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1257#L669 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1373#L679 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1269#L690 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1309#L700 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1310#L711 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1340#L721 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1208#L732 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1270#L742 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1271#L753 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1398#L763 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1421#L774 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1460#L784 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1345#L795 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1338#L805 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1308#L816 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1289#L826 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1220#L837 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1378#L847 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1381#L858 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1247#L868 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1248#L879 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1209#L889 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1210#L900 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1231#L910 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1196#L910-1 init_#res#1 := init_~tmp___23~0#1; 1228#L1031 main_#t~ret44#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1282#L22 assume !(0 == assume_abort_if_not_~cond#1); 1283#L21 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1358#L1168-2 [2022-11-16 11:33:10,862 INFO L750 eck$LassoCheckResult]: Loop: 1358#L1168-2 assume !false;assume { :begin_inline_node1 } true; 1529#L110 assume !(0 != ~mode1~0 % 256); 1528#L145 assume ~r1~0 % 256 < 3; 1347#L146 assume 0 != ~ep12~0 % 256;~p12_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 - 256); 1348#L146-2 assume 0 != ~ep13~0 % 256;~p13_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 - 256); 1395#L149-1 assume 0 != ~ep14~0 % 256;~p14_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 - 256); 1396#L145-1 ~mode1~0 := 1; 1518#L110-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 1515#L166 assume !(0 != ~mode2~0 % 256); 1511#L201 assume !(~r2~0 % 256 < 3); 1506#L201-1 ~mode2~0 := 1; 1505#L166-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 1502#L222 assume !(0 != ~mode3~0 % 256); 1500#L257 assume !(~r3~0 % 256 < 3); 1490#L257-1 ~mode3~0 := 1; 1487#L222-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 1485#L278 assume !(0 != ~mode4~0 % 256); 1481#L313 assume !(~r4~0 % 256 < 3); 1476#L313-1 ~mode4~0 := 1; 1475#L278-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1474#L1039 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1473#L1040 assume ~st1~0 + ~nl1~0 <= 1; 1472#L1041 assume ~st2~0 + ~nl2~0 <= 1; 1471#L1042 assume ~st3~0 + ~nl3~0 <= 1; 1470#L1043 assume ~st4~0 + ~nl4~0 <= 1; 1469#L1044 assume !(~r1~0 % 256 >= 3); 1315#L1047 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1316#L1048 assume ~r1~0 % 256 < 3; 1534#L1053 assume !(~r1~0 % 256 >= 3); 1266#L1057 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1267#L1058 assume ~r1~0 % 256 < 3;check_~tmp~1#1 := 1; 1533#L1039-1 check_#res#1 := check_~tmp~1#1; 1532#L1091 main_#t~ret45#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1531#L1210 assume !(0 == assert_~arg#1 % 256); 1530#L1205 assume { :end_inline_assert } true; 1358#L1168-2 [2022-11-16 11:33:10,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:10,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 3 times [2022-11-16 11:33:10,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:10,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505785795] [2022-11-16 11:33:10,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:10,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:33:11,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:11,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505785795] [2022-11-16 11:33:11,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505785795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:11,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:11,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:33:11,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698283616] [2022-11-16 11:33:11,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:11,032 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:33:11,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:11,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1816089596, now seen corresponding path program 1 times [2022-11-16 11:33:11,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:11,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208208094] [2022-11-16 11:33:11,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:11,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:11,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:33:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:11,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:33:15,528 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:33:15,529 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:33:15,529 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:33:15,529 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:33:15,530 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:33:15,530 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:15,530 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:33:15,530 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:33:15,531 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.1.ufo.UNBOUNDED.pals.c_Iteration3_Loop [2022-11-16 11:33:15,531 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:33:15,531 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:33:15,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:15,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:15,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:15,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:15,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:15,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:15,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:15,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:15,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:16,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:16,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:16,736 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:16,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:16,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:16,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:16,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:33:18,268 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2022-11-16 11:33:22,344 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 72756 conjuctions. This might take some time... [2022-11-16 11:36:17,867 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 4336 conjuctions. [2022-11-16 11:45:33,589 WARN L233 SmtUtils]: Spent 9.26m on a formula simplification. DAG size of input: 2432 DAG size of output: 350 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-11-16 11:45:33,875 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:45:33,876 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:45:33,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:45:33,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:33,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:45:33,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:45:33,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:45:33,898 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:45:33,937 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:45:33,937 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret45#1=0} Honda state: {ULTIMATE.start_main_#t~ret45#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:45:33,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-16 11:45:33,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:45:33,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:33,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:45:33,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:45:33,965 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:45:33,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:45:34,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:45:34,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:45:34,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:34,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:45:34,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:45:34,075 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:45:34,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:45:34,223 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:45:34,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2957b06a-beb9-4f8a-b873-88857c998ff0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:45:34,227 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:45:34,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:45:34,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:45:34,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:45:34,228 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:45:34,228 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:45:34,228 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:45:34,228 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:45:34,228 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.1.ufo.UNBOUNDED.pals.c_Iteration3_Loop [2022-11-16 11:45:34,228 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:45:34,228 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:45:34,249 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:34,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:34,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:34,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:34,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:35,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:45:37,109 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2022-11-16 11:45:39,464 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 55692 conjuctions. This might take some time... [2022-11-16 11:47:34,998 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 4336 conjuctions.