./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef --- 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-6b4ec56 [2022-11-20 10:47:45,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:47:45,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:47:45,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:47:45,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:47:45,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:47:45,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:47:45,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:47:45,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:47:45,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:47:45,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:47:45,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:47:45,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:47:45,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:47:45,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:47:45,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:47:45,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:47:45,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:47:45,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:47:45,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:47:45,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:47:45,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:47:45,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:47:45,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:47:45,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:47:45,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:47:45,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:47:45,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:47:45,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:47:45,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:47:45,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:47:45,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:47:45,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:47:45,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:47:45,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:47:45,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:47:45,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:47:45,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:47:45,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:47:45,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:47:45,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:47:45,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 10:47:45,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:47:45,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:47:45,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:47:45,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:47:45,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:47:45,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:47:45,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:47:45,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:47:45,684 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:47:45,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:47:45,685 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:47:45,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:47:45,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:47:45,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:47:45,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:47:45,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:47:45,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:47:45,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:47:45,687 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:47:45,688 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:47:45,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:47:45,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:47:45,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:47:45,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:47:45,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:47:45,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:47:45,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:47:45,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:47:45,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:47:45,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:47:45,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:47:45,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:47:45,691 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:47:45,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:47:45,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:47:45,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2022-11-20 10:47:45,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:47:46,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:47:46,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:47:46,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:47:46,014 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:47:46,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2022-11-20 10:47:49,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:47:49,399 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:47:49,400 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2022-11-20 10:47:49,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/data/eca1bf1f1/e42f3328392f4aa593671044671a4aea/FLAG4e7f56d08 [2022-11-20 10:47:49,430 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/data/eca1bf1f1/e42f3328392f4aa593671044671a4aea [2022-11-20 10:47:49,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:47:49,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:47:49,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:47:49,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:47:49,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:47:49,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:49" (1/1) ... [2022-11-20 10:47:49,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c80f48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:49, skipping insertion in model container [2022-11-20 10:47:49,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:49" (1/1) ... [2022-11-20 10:47:49,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:47:49,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:47:49,852 WARN L237 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_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2022-11-20 10:47:49,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:47:50,002 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:47:50,027 WARN L237 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_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2022-11-20 10:47:50,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:47:50,109 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:47:50,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50 WrapperNode [2022-11-20 10:47:50,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:47:50,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:47:50,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:47:50,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:47:50,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,220 INFO L138 Inliner]: procedures = 145, calls = 317, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 523 [2022-11-20 10:47:50,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:47:50,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:47:50,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:47:50,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:47:50,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:47:50,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:47:50,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:47:50,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:47:50,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (1/1) ... [2022-11-20 10:47:50,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:47:50,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:50,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:47:50,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:47:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:47:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:47:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 10:47:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 10:47:50,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:47:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:47:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:47:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2022-11-20 10:47:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2022-11-20 10:47:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-20 10:47:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-20 10:47:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:47:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-20 10:47:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-20 10:47:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 10:47:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 10:47:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:47:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:47:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-20 10:47:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-20 10:47:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:47:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2022-11-20 10:47:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2022-11-20 10:47:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:47:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:47:50,803 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:47:50,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:47:53,776 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:47:53,784 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:47:53,785 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:47:53,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:47:53 BoogieIcfgContainer [2022-11-20 10:47:53,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:47:53,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:47:53,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:47:53,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:47:53,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:47:49" (1/3) ... [2022-11-20 10:47:53,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338d9ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:47:53, skipping insertion in model container [2022-11-20 10:47:53,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:50" (2/3) ... [2022-11-20 10:47:53,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338d9ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:47:53, skipping insertion in model container [2022-11-20 10:47:53,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:47:53" (3/3) ... [2022-11-20 10:47:53,796 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_time_var_mutex.i [2022-11-20 10:47:53,823 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:47:53,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 10:47:53,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:47:53,888 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79fb76e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:47:53,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 10:47:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 107 states have internal predecessors, (137), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-11-20 10:47:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 10:47:53,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:53,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 10:47:53,904 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:53,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:53,910 INFO L85 PathProgramCache]: Analyzing trace with hash 736391060, now seen corresponding path program 1 times [2022-11-20 10:47:53,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:53,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031604422] [2022-11-20 10:47:53,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:53,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:54,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:54,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031604422] [2022-11-20 10:47:54,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031604422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:54,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:54,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:54,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146914401] [2022-11-20 10:47:54,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:54,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:47:54,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:54,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:47:54,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:47:54,315 INFO L87 Difference]: Start difference. First operand has 160 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 107 states have internal predecessors, (137), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:54,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:54,369 INFO L93 Difference]: Finished difference Result 314 states and 491 transitions. [2022-11-20 10:47:54,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:47:54,371 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 10:47:54,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:54,378 INFO L225 Difference]: With dead ends: 314 [2022-11-20 10:47:54,378 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 10:47:54,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:47:54,390 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:54,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:47:54,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 10:47:54,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-20 10:47:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 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) [2022-11-20 10:47:54,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-20 10:47:54,423 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 6 [2022-11-20 10:47:54,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:54,427 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-20 10:47:54,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:54,427 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 10:47:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 10:47:54,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:54,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 10:47:54,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:47:54,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:54,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:54,429 INFO L85 PathProgramCache]: Analyzing trace with hash 736381450, now seen corresponding path program 1 times [2022-11-20 10:47:54,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:54,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300687398] [2022-11-20 10:47:54,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:54,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:54,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:54,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300687398] [2022-11-20 10:47:54,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300687398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:54,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:54,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:47:54,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802233098] [2022-11-20 10:47:54,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:54,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:54,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:54,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:54,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:54,706 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:54,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:54,737 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-11-20 10:47:54,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:54,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 10:47:54,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:54,739 INFO L225 Difference]: With dead ends: 32 [2022-11-20 10:47:54,739 INFO L226 Difference]: Without dead ends: 20 [2022-11-20 10:47:54,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:54,741 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:54,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 22 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:47:54,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-20 10:47:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-11-20 10:47:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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) [2022-11-20 10:47:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-20 10:47:54,747 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 6 [2022-11-20 10:47:54,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:54,747 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-20 10:47:54,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-20 10:47:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 10:47:54,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:54,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 10:47:54,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:47:54,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:54,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:54,750 INFO L85 PathProgramCache]: Analyzing trace with hash 736383116, now seen corresponding path program 1 times [2022-11-20 10:47:54,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:54,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633718721] [2022-11-20 10:47:54,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:54,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:54,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:54,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633718721] [2022-11-20 10:47:54,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633718721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:54,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:54,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:47:54,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301996934] [2022-11-20 10:47:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:54,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:47:54,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:54,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:47:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:47:54,996 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:55,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:55,054 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2022-11-20 10:47:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:47:55,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 10:47:55,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:55,055 INFO L225 Difference]: With dead ends: 20 [2022-11-20 10:47:55,055 INFO L226 Difference]: Without dead ends: 18 [2022-11-20 10:47:55,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:47:55,057 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:55,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:47:55,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-20 10:47:55,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-20 10:47:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 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) [2022-11-20 10:47:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-11-20 10:47:55,061 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2022-11-20 10:47:55,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:55,062 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-11-20 10:47:55,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-20 10:47:55,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 10:47:55,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:55,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:55,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:47:55,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:55,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:55,064 INFO L85 PathProgramCache]: Analyzing trace with hash 155987334, now seen corresponding path program 1 times [2022-11-20 10:47:55,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:55,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536058947] [2022-11-20 10:47:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:55,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:55,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:55,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536058947] [2022-11-20 10:47:55,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536058947] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:55,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658019581] [2022-11-20 10:47:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:55,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:55,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:55,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:55,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:47:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:55,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:47:55,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:55,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:55,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658019581] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:47:55,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:47:55,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-11-20 10:47:55,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945255762] [2022-11-20 10:47:55,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:47:55,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:47:55,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:55,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:47:55,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:47:55,743 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) [2022-11-20 10:47:55,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:55,880 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-11-20 10:47:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:47:55,881 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 10:47:55,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:55,882 INFO L225 Difference]: With dead ends: 40 [2022-11-20 10:47:55,882 INFO L226 Difference]: Without dead ends: 24 [2022-11-20 10:47:55,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:47:55,883 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 16 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:55,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 41 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:55,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-20 10:47:55,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-20 10:47:55,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 22 states have internal predecessors, (25), 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) [2022-11-20 10:47:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-11-20 10:47:55,888 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 10 [2022-11-20 10:47:55,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:55,888 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-20 10:47:55,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) [2022-11-20 10:47:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-20 10:47:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 10:47:55,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:55,889 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 10:47:55,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 10:47:56,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:56,096 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:56,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:56,096 INFO L85 PathProgramCache]: Analyzing trace with hash 540691898, now seen corresponding path program 1 times [2022-11-20 10:47:56,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:56,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530012318] [2022-11-20 10:47:56,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:56,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:56,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:56,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530012318] [2022-11-20 10:47:56,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530012318] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:56,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548196255] [2022-11-20 10:47:56,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:56,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:56,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:56,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:56,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:47:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:56,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:47:56,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:56,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:56,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:47:56,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548196255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:56,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:56,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 10:47:56,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975263689] [2022-11-20 10:47:56,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:56,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:47:56,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:56,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:47:56,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:47:56,845 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-11-20 10:47:56,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:56,951 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2022-11-20 10:47:56,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:56,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 10:47:56,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:56,955 INFO L225 Difference]: With dead ends: 24 [2022-11-20 10:47:56,955 INFO L226 Difference]: Without dead ends: 23 [2022-11-20 10:47:56,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:47:56,956 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:56,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:56,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-20 10:47:56,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-20 10:47:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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) [2022-11-20 10:47:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-11-20 10:47:56,960 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 11 [2022-11-20 10:47:56,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:56,960 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-20 10:47:56,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-11-20 10:47:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-20 10:47:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 10:47:56,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:56,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1] [2022-11-20 10:47:56,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:57,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:57,168 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:57,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:57,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1625160068, now seen corresponding path program 1 times [2022-11-20 10:47:57,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:57,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786308384] [2022-11-20 10:47:57,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:57,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:57,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:47:57,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:57,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786308384] [2022-11-20 10:47:57,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786308384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:57,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:57,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:47:57,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820542306] [2022-11-20 10:47:57,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:57,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:47:57,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:57,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:47:57,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:47:57,337 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-20 10:47:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:57,380 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-11-20 10:47:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:47:57,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-20 10:47:57,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:57,387 INFO L225 Difference]: With dead ends: 22 [2022-11-20 10:47:57,387 INFO L226 Difference]: Without dead ends: 21 [2022-11-20 10:47:57,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:47:57,396 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:57,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 23 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:47:57,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-20 10:47:57,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-20 10:47:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 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) [2022-11-20 10:47:57,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-11-20 10:47:57,404 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 14 [2022-11-20 10:47:57,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:57,404 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-11-20 10:47:57,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-20 10:47:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-20 10:47:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 10:47:57,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:57,406 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:57,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:47:57,407 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:57,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:57,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1725471358, now seen corresponding path program 2 times [2022-11-20 10:47:57,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:57,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973605831] [2022-11-20 10:47:57,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:57,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 10:47:57,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:57,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973605831] [2022-11-20 10:47:57,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973605831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:57,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:57,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:47:57,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664992409] [2022-11-20 10:47:57,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:57,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:47:57,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:57,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:47:57,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:47:57,649 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-20 10:47:57,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:57,755 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2022-11-20 10:47:57,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:47:57,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-20 10:47:57,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:57,756 INFO L225 Difference]: With dead ends: 40 [2022-11-20 10:47:57,756 INFO L226 Difference]: Without dead ends: 38 [2022-11-20 10:47:57,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:47:57,757 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:57,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:57,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-20 10:47:57,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-20 10:47:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 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) [2022-11-20 10:47:57,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-11-20 10:47:57,765 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 18 [2022-11-20 10:47:57,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:57,767 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-11-20 10:47:57,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-20 10:47:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-11-20 10:47:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 10:47:57,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:57,770 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 10:47:57,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:47:57,770 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:57,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:57,771 INFO L85 PathProgramCache]: Analyzing trace with hash -136550584, now seen corresponding path program 1 times [2022-11-20 10:47:57,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:57,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091071345] [2022-11-20 10:47:57,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:57,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 10:47:58,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:58,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091071345] [2022-11-20 10:47:58,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091071345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:58,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:58,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:47:58,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115269409] [2022-11-20 10:47:58,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:58,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:47:58,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:58,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:47:58,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:47:58,053 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-11-20 10:47:58,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:58,138 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2022-11-20 10:47:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:47:58,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-20 10:47:58,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:58,140 INFO L225 Difference]: With dead ends: 38 [2022-11-20 10:47:58,140 INFO L226 Difference]: Without dead ends: 37 [2022-11-20 10:47:58,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:47:58,141 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:58,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:58,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-20 10:47:58,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-20 10:47:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 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) [2022-11-20 10:47:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-11-20 10:47:58,153 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 35 [2022-11-20 10:47:58,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:58,154 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-11-20 10:47:58,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-11-20 10:47:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-11-20 10:47:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 10:47:58,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:58,156 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-20 10:47:58,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:47:58,157 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:58,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:58,158 INFO L85 PathProgramCache]: Analyzing trace with hash 61899394, now seen corresponding path program 1 times [2022-11-20 10:47:58,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:58,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370221235] [2022-11-20 10:47:58,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:58,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 10:47:58,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:58,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370221235] [2022-11-20 10:47:58,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370221235] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:58,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273945651] [2022-11-20 10:47:58,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:58,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:58,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:58,542 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:58,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:47:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:47:59,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 10:47:59,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:47:59,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273945651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:59,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:59,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 10:47:59,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140132072] [2022-11-20 10:47:59,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:59,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:47:59,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:59,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:47:59,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:47:59,141 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 10:47:59,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:59,289 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-11-20 10:47:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:59,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-20 10:47:59,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:59,290 INFO L225 Difference]: With dead ends: 37 [2022-11-20 10:47:59,290 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:47:59,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:47:59,291 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:59,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 25 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:59,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:47:59,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:47:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-20 10:47:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:47:59,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-20 10:47:59,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:59,293 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:47:59,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 10:47:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:47:59,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:47:59,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 10:47:59,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 10:47:59,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 10:47:59,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 10:47:59,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 10:47:59,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 10:47:59,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 10:47:59,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 10:47:59,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:59,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:59,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:47:59,754 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-11-20 10:47:59,754 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-11-20 10:47:59,754 INFO L899 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-11-20 10:47:59,754 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-11-20 10:47:59,755 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_mutex_initEXIT(lines 569 572) no Hoare annotation was computed. [2022-11-20 10:47:59,755 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_mutex_initENTRY(lines 569 572) the Hoare annotation is: true [2022-11-20 10:47:59,755 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_mutex_initFINAL(lines 569 572) no Hoare annotation was computed. [2022-11-20 10:47:59,755 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-11-20 10:47:59,755 INFO L899 garLoopResultBuilder]: For program point L575-2(lines 575 579) no Hoare annotation was computed. [2022-11-20 10:47:59,755 INFO L899 garLoopResultBuilder]: For program point L575-4(lines 575 579) no Hoare annotation was computed. [2022-11-20 10:47:59,755 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_mutex_destroyENTRY(lines 573 581) the Hoare annotation is: true [2022-11-20 10:47:59,756 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_mutex_destroyFINAL(lines 573 581) no Hoare annotation was computed. [2022-11-20 10:47:59,756 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_mutex_destroyEXIT(lines 573 581) no Hoare annotation was computed. [2022-11-20 10:47:59,756 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 642 663) no Hoare annotation was computed. [2022-11-20 10:47:59,756 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_joinENTRY(lines 642 663) the Hoare annotation is: true [2022-11-20 10:47:59,756 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 642 663) no Hoare annotation was computed. [2022-11-20 10:47:59,756 INFO L902 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: true [2022-11-20 10:47:59,757 INFO L899 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2022-11-20 10:47:59,757 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 660) no Hoare annotation was computed. [2022-11-20 10:47:59,757 INFO L899 garLoopResultBuilder]: For program point L650(line 650) no Hoare annotation was computed. [2022-11-20 10:47:59,757 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2022-11-20 10:47:59,757 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 649) no Hoare annotation was computed. [2022-11-20 10:47:59,757 INFO L899 garLoopResultBuilder]: For program point L770-1(line 770) no Hoare annotation was computed. [2022-11-20 10:47:59,758 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 641) no Hoare annotation was computed. [2022-11-20 10:47:59,758 INFO L902 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: true [2022-11-20 10:47:59,758 INFO L899 garLoopResultBuilder]: For program point L766-1(line 766) no Hoare annotation was computed. [2022-11-20 10:47:59,758 INFO L902 garLoopResultBuilder]: At program point L762(line 762) the Hoare annotation is: true [2022-11-20 10:47:59,758 INFO L899 garLoopResultBuilder]: For program point L762-1(line 762) no Hoare annotation was computed. [2022-11-20 10:47:59,759 INFO L902 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: true [2022-11-20 10:47:59,759 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,759 INFO L902 garLoopResultBuilder]: At program point L771(line 771) the Hoare annotation is: true [2022-11-20 10:47:59,759 INFO L899 garLoopResultBuilder]: For program point L771-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,759 INFO L902 garLoopResultBuilder]: At program point L767(line 767) the Hoare annotation is: true [2022-11-20 10:47:59,759 INFO L899 garLoopResultBuilder]: For program point L767-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,760 INFO L902 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2022-11-20 10:47:59,760 INFO L899 garLoopResultBuilder]: For program point L763-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,760 INFO L902 garLoopResultBuilder]: At program point L759(line 759) the Hoare annotation is: true [2022-11-20 10:47:59,760 INFO L899 garLoopResultBuilder]: For program point L759-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,760 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$FINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:47:59,760 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~$Pointer$ENTRY(line -1) the Hoare annotation is: true [2022-11-20 10:47:59,761 INFO L902 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: true [2022-11-20 10:47:59,761 INFO L899 garLoopResultBuilder]: For program point L772-1(line 772) no Hoare annotation was computed. [2022-11-20 10:47:59,761 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:47:59,761 INFO L899 garLoopResultBuilder]: For program point L640(line 640) no Hoare annotation was computed. [2022-11-20 10:47:59,761 INFO L902 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: true [2022-11-20 10:47:59,761 INFO L899 garLoopResultBuilder]: For program point L768-1(line 768) no Hoare annotation was computed. [2022-11-20 10:47:59,762 INFO L902 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: true [2022-11-20 10:47:59,762 INFO L899 garLoopResultBuilder]: For program point L764-1(line 764) no Hoare annotation was computed. [2022-11-20 10:47:59,762 INFO L902 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: true [2022-11-20 10:47:59,762 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2022-11-20 10:47:59,762 INFO L902 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: true [2022-11-20 10:47:59,762 INFO L899 garLoopResultBuilder]: For program point L773-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,763 INFO L902 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: true [2022-11-20 10:47:59,763 INFO L899 garLoopResultBuilder]: For program point L769-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,763 INFO L902 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: true [2022-11-20 10:47:59,763 INFO L899 garLoopResultBuilder]: For program point L765-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,763 INFO L902 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: true [2022-11-20 10:47:59,778 INFO L899 garLoopResultBuilder]: For program point L761-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,778 INFO L902 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: true [2022-11-20 10:47:59,778 INFO L899 garLoopResultBuilder]: For program point L757-1(lines 754 776) no Hoare annotation was computed. [2022-11-20 10:47:59,778 INFO L902 garLoopResultBuilder]: At program point L753(lines 753 776) the Hoare annotation is: true [2022-11-20 10:47:59,778 INFO L902 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: true [2022-11-20 10:47:59,779 INFO L899 garLoopResultBuilder]: For program point L774-1(line 774) no Hoare annotation was computed. [2022-11-20 10:47:59,779 INFO L902 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: true [2022-11-20 10:47:59,779 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createFINAL(lines 664 677) no Hoare annotation was computed. [2022-11-20 10:47:59,779 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 669) no Hoare annotation was computed. [2022-11-20 10:47:59,779 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 664 677) no Hoare annotation was computed. [2022-11-20 10:47:59,780 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_createENTRY(lines 664 677) the Hoare annotation is: true [2022-11-20 10:47:59,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 787) no Hoare annotation was computed. [2022-11-20 10:47:59,780 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-11-20 10:47:59,780 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-11-20 10:47:59,780 INFO L902 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: true [2022-11-20 10:47:59,780 INFO L899 garLoopResultBuilder]: For program point L853-1(line 853) no Hoare annotation was computed. [2022-11-20 10:47:59,781 INFO L899 garLoopResultBuilder]: For program point L787-2(lines 787 797) no Hoare annotation was computed. [2022-11-20 10:47:59,781 INFO L899 garLoopResultBuilder]: For program point L787-3(line 787) no Hoare annotation was computed. [2022-11-20 10:47:59,781 INFO L899 garLoopResultBuilder]: For program point L787-4(line 787) no Hoare annotation was computed. [2022-11-20 10:47:59,781 INFO L895 garLoopResultBuilder]: At program point L787-5(lines 787 797) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-20 10:47:59,794 INFO L899 garLoopResultBuilder]: For program point L787-6(lines 787 797) no Hoare annotation was computed. [2022-11-20 10:47:59,794 INFO L902 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: true [2022-11-20 10:47:59,794 INFO L899 garLoopResultBuilder]: For program point L845-1(line 845) no Hoare annotation was computed. [2022-11-20 10:47:59,794 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 793) no Hoare annotation was computed. [2022-11-20 10:47:59,795 INFO L902 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: true [2022-11-20 10:47:59,795 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:47:59,795 INFO L902 garLoopResultBuilder]: At program point L829(line 829) the Hoare annotation is: true [2022-11-20 10:47:59,795 INFO L899 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2022-11-20 10:47:59,795 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:47:59,796 INFO L899 garLoopResultBuilder]: For program point L829-1(line 829) no Hoare annotation was computed. [2022-11-20 10:47:59,796 INFO L902 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: true [2022-11-20 10:47:59,796 INFO L899 garLoopResultBuilder]: For program point L854-1(line 854) no Hoare annotation was computed. [2022-11-20 10:47:59,796 INFO L902 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: true [2022-11-20 10:47:59,796 INFO L899 garLoopResultBuilder]: For program point L846-1(line 846) no Hoare annotation was computed. [2022-11-20 10:47:59,796 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 843) no Hoare annotation was computed. [2022-11-20 10:47:59,797 INFO L899 garLoopResultBuilder]: For program point L838-1(lines 838 843) no Hoare annotation was computed. [2022-11-20 10:47:59,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 793) no Hoare annotation was computed. [2022-11-20 10:47:59,797 INFO L902 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: true [2022-11-20 10:47:59,797 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2022-11-20 10:47:59,797 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2022-11-20 10:47:59,798 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 543) no Hoare annotation was computed. [2022-11-20 10:47:59,798 INFO L902 garLoopResultBuilder]: At program point L541-2(lines 540 545) the Hoare annotation is: true [2022-11-20 10:47:59,798 INFO L902 garLoopResultBuilder]: At program point L855(line 855) the Hoare annotation is: true [2022-11-20 10:47:59,798 INFO L899 garLoopResultBuilder]: For program point L855-1(line 855) no Hoare annotation was computed. [2022-11-20 10:47:59,798 INFO L902 garLoopResultBuilder]: At program point L847(line 847) the Hoare annotation is: true [2022-11-20 10:47:59,798 INFO L899 garLoopResultBuilder]: For program point L847-1(line 847) no Hoare annotation was computed. [2022-11-20 10:47:59,799 INFO L902 garLoopResultBuilder]: At program point L864(line 864) the Hoare annotation is: true [2022-11-20 10:47:59,799 INFO L899 garLoopResultBuilder]: For program point L864-1(line 864) no Hoare annotation was computed. [2022-11-20 10:47:59,799 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-11-20 10:47:59,799 INFO L902 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: true [2022-11-20 10:47:59,799 INFO L899 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2022-11-20 10:47:59,800 INFO L902 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: true [2022-11-20 10:47:59,800 INFO L899 garLoopResultBuilder]: For program point L848-1(line 848) no Hoare annotation was computed. [2022-11-20 10:47:59,800 INFO L902 garLoopResultBuilder]: At program point L865(line 865) the Hoare annotation is: true [2022-11-20 10:47:59,800 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 837) no Hoare annotation was computed. [2022-11-20 10:47:59,800 INFO L899 garLoopResultBuilder]: For program point L865-1(line 865) no Hoare annotation was computed. [2022-11-20 10:47:59,800 INFO L899 garLoopResultBuilder]: For program point L832-1(lines 832 837) no Hoare annotation was computed. [2022-11-20 10:47:59,801 INFO L902 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: true [2022-11-20 10:47:59,801 INFO L899 garLoopResultBuilder]: For program point L857-1(line 857) no Hoare annotation was computed. [2022-11-20 10:47:59,801 INFO L902 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: true [2022-11-20 10:47:59,801 INFO L899 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2022-11-20 10:47:59,801 INFO L902 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: true [2022-11-20 10:47:59,801 INFO L899 garLoopResultBuilder]: For program point L841-1(line 841) no Hoare annotation was computed. [2022-11-20 10:47:59,802 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:47:59,802 INFO L902 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: true [2022-11-20 10:47:59,802 INFO L899 garLoopResultBuilder]: For program point L858-1(line 858) no Hoare annotation was computed. [2022-11-20 10:47:59,802 INFO L902 garLoopResultBuilder]: At program point L850(line 850) the Hoare annotation is: true [2022-11-20 10:47:59,802 INFO L899 garLoopResultBuilder]: For program point L850-1(line 850) no Hoare annotation was computed. [2022-11-20 10:47:59,802 INFO L899 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2022-11-20 10:47:59,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:47:59,803 INFO L902 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: true [2022-11-20 10:47:59,803 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 831) no Hoare annotation was computed. [2022-11-20 10:47:59,803 INFO L899 garLoopResultBuilder]: For program point L859-1(line 859) no Hoare annotation was computed. [2022-11-20 10:47:59,803 INFO L899 garLoopResultBuilder]: For program point L826-1(lines 826 831) no Hoare annotation was computed. [2022-11-20 10:47:59,804 INFO L899 garLoopResultBuilder]: For program point L793-2(lines 793 796) no Hoare annotation was computed. [2022-11-20 10:47:59,804 INFO L899 garLoopResultBuilder]: For program point L793-3(line 793) no Hoare annotation was computed. [2022-11-20 10:47:59,804 INFO L899 garLoopResultBuilder]: For program point L793-4(line 793) no Hoare annotation was computed. [2022-11-20 10:47:59,804 INFO L895 garLoopResultBuilder]: At program point L793-5(lines 793 796) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~i~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~j~2#1| 0)) (.cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~i~0#1| 2)) (.cse2 (<= 1 |ULTIMATE.start_main_~j~2#1|))) (or (and .cse0 .cse1) (and .cse0 .cse2) (and .cse3 .cse4 .cse1) (and .cse3 .cse4 .cse2))) [2022-11-20 10:47:59,805 INFO L902 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2022-11-20 10:47:59,805 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2022-11-20 10:47:59,805 INFO L899 garLoopResultBuilder]: For program point L777(lines 777 867) no Hoare annotation was computed. [2022-11-20 10:47:59,805 INFO L902 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: true [2022-11-20 10:47:59,805 INFO L899 garLoopResultBuilder]: For program point L835-1(line 835) no Hoare annotation was computed. [2022-11-20 10:47:59,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 787) no Hoare annotation was computed. [2022-11-20 10:47:59,806 INFO L902 garLoopResultBuilder]: At program point L860(line 860) the Hoare annotation is: true [2022-11-20 10:47:59,806 INFO L899 garLoopResultBuilder]: For program point L860-1(line 860) no Hoare annotation was computed. [2022-11-20 10:47:59,806 INFO L902 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: true [2022-11-20 10:47:59,806 INFO L899 garLoopResultBuilder]: For program point L852-1(line 852) no Hoare annotation was computed. [2022-11-20 10:47:59,806 INFO L902 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: true [2022-11-20 10:47:59,807 INFO L899 garLoopResultBuilder]: For program point L844-1(line 844) no Hoare annotation was computed. [2022-11-20 10:47:59,807 INFO L899 garLoopResultBuilder]: For program point L836(line 836) no Hoare annotation was computed. [2022-11-20 10:47:59,807 INFO L899 garLoopResultBuilder]: For program point __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-20 10:47:59,807 INFO L899 garLoopResultBuilder]: For program point __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-20 10:47:59,807 INFO L899 garLoopResultBuilder]: For program point __CS_csEXIT(lines 562 568) no Hoare annotation was computed. [2022-11-20 10:47:59,814 INFO L899 garLoopResultBuilder]: For program point __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-20 10:47:59,814 INFO L899 garLoopResultBuilder]: For program point __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-20 10:47:59,814 INFO L902 garLoopResultBuilder]: At program point __CS_csENTRY(lines 562 568) the Hoare annotation is: true [2022-11-20 10:47:59,815 INFO L899 garLoopResultBuilder]: For program point __CS_csFINAL(lines 562 568) no Hoare annotation was computed. [2022-11-20 10:47:59,815 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-11-20 10:47:59,815 INFO L899 garLoopResultBuilder]: For program point L565(line 565) no Hoare annotation was computed. [2022-11-20 10:47:59,815 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-11-20 10:47:59,815 INFO L902 garLoopResultBuilder]: At program point L565-2(line 565) the Hoare annotation is: true [2022-11-20 10:47:59,815 INFO L899 garLoopResultBuilder]: For program point L565-3(line 565) no Hoare annotation was computed. [2022-11-20 10:47:59,819 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:59,827 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:47:59,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:47:59 BoogieIcfgContainer [2022-11-20 10:47:59,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:47:59,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:47:59,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:47:59,855 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:47:59,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:47:53" (3/4) ... [2022-11-20 10:47:59,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:47:59,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_destroy [2022-11-20 10:47:59,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-20 10:47:59,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 10:47:59,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-20 10:47:59,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 10:47:59,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-20 10:47:59,868 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_init [2022-11-20 10:47:59,893 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2022-11-20 10:47:59,894 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 10:47:59,895 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 10:47:59,896 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:47:59,897 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:47:59,987 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:47:59,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:47:59,988 INFO L158 Benchmark]: Toolchain (without parser) took 10554.75ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 143.8MB in the beginning and 166.9MB in the end (delta: -23.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-20 10:47:59,989 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:47:59,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.38ms. Allocated memory is still 184.5MB. Free memory was 143.5MB in the beginning and 116.9MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 10:47:59,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.34ms. Allocated memory is still 184.5MB. Free memory was 116.9MB in the beginning and 112.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:47:59,990 INFO L158 Benchmark]: Boogie Preprocessor took 115.78ms. Allocated memory is still 184.5MB. Free memory was 112.4MB in the beginning and 108.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:47:59,990 INFO L158 Benchmark]: RCFGBuilder took 3441.85ms. Allocated memory is still 184.5MB. Free memory was 108.2MB in the beginning and 74.4MB in the end (delta: 33.8MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-11-20 10:47:59,990 INFO L158 Benchmark]: TraceAbstraction took 6064.56ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 73.4MB in the beginning and 177.4MB in the end (delta: -104.0MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-11-20 10:47:59,991 INFO L158 Benchmark]: Witness Printer took 133.51ms. Allocated memory is still 222.3MB. Free memory was 177.4MB in the beginning and 166.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:47:59,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.38ms. Allocated memory is still 184.5MB. Free memory was 143.5MB in the beginning and 116.9MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.34ms. Allocated memory is still 184.5MB. Free memory was 116.9MB in the beginning and 112.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.78ms. Allocated memory is still 184.5MB. Free memory was 112.4MB in the beginning and 108.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3441.85ms. Allocated memory is still 184.5MB. Free memory was 108.2MB in the beginning and 74.4MB in the end (delta: 33.8MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6064.56ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 73.4MB in the beginning and 177.4MB in the end (delta: -104.0MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Witness Printer took 133.51ms. Allocated memory is still 222.3MB. Free memory was 177.4MB in the beginning and 166.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 160 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 410 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 295 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 256 PreInvPairs, 346 NumberOfFragments, 96 HoareAnnotationTreeSize, 256 FomulaSimplifications, 43 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 56 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2005 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 212/266 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: (((i == 0 && j == 0) || (i == 0 && 1 <= j)) || ((1 <= i && i <= 2) && j == 0)) || ((1 <= i && i <= 2) && 1 <= j) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 10:48:00,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e62ce-6f3d-438e-a4e9-c65f8a3dbe93/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE