./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b976e330e4c054879765a8eb6bc4e652ff9f2eb85e78e14695d7ebb374384cf --- 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-b5237d8 [2022-11-21 08:22:57,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 08:22:57,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 08:22:57,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 08:22:57,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 08:22:57,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 08:22:57,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 08:22:57,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 08:22:57,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 08:22:57,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 08:22:57,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 08:22:57,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 08:22:57,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 08:22:57,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 08:22:57,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 08:22:57,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 08:22:57,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 08:22:57,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 08:22:57,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 08:22:57,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 08:22:57,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 08:22:57,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 08:22:57,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 08:22:57,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 08:22:57,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 08:22:57,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 08:22:57,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 08:22:57,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 08:22:57,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 08:22:57,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 08:22:57,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 08:22:57,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 08:22:57,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 08:22:57,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 08:22:57,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 08:22:57,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 08:22:57,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 08:22:57,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 08:22:57,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 08:22:57,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 08:22:57,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 08:22:57,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 08:22:57,871 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 08:22:57,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 08:22:57,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 08:22:57,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 08:22:57,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 08:22:57,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 08:22:57,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 08:22:57,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 08:22:57,874 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 08:22:57,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 08:22:57,874 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 08:22:57,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 08:22:57,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 08:22:57,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 08:22:57,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 08:22:57,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 08:22:57,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 08:22:57,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 08:22:57,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 08:22:57,876 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 08:22:57,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 08:22:57,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 08:22:57,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 08:22:57,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 08:22:57,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 08:22:57,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 08:22:57,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 08:22:57,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 08:22:57,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 08:22:57,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 08:22:57,879 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 08:22:57,879 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 08:22:57,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 08:22:57,879 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_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b976e330e4c054879765a8eb6bc4e652ff9f2eb85e78e14695d7ebb374384cf [2022-11-21 08:22:58,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 08:22:58,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 08:22:58,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 08:22:58,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 08:22:58,198 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 08:22:58,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c [2022-11-21 08:23:01,284 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 08:23:01,486 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 08:23:01,487 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c [2022-11-21 08:23:01,493 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/data/41904c271/7f1c6912961e4b2baea6dd8586849ddc/FLAGcfe394bf6 [2022-11-21 08:23:01,508 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/data/41904c271/7f1c6912961e4b2baea6dd8586849ddc [2022-11-21 08:23:01,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 08:23:01,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 08:23:01,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 08:23:01,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 08:23:01,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 08:23:01,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3403ce80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01, skipping insertion in model container [2022-11-21 08:23:01,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 08:23:01,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 08:23:01,722 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_a461424e-5e1a-4eef-94d4-d458f78141b4/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c[670,683] [2022-11-21 08:23:01,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 08:23:01,740 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 08:23:01,751 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_a461424e-5e1a-4eef-94d4-d458f78141b4/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c[670,683] [2022-11-21 08:23:01,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 08:23:01,762 INFO L208 MainTranslator]: Completed translation [2022-11-21 08:23:01,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01 WrapperNode [2022-11-21 08:23:01,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 08:23:01,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 08:23:01,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 08:23:01,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 08:23:01,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,794 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2022-11-21 08:23:01,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 08:23:01,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 08:23:01,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 08:23:01,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 08:23:01,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 08:23:01,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 08:23:01,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 08:23:01,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 08:23:01,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (1/1) ... [2022-11-21 08:23:01,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 08:23:01,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 08:23:01,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 08:23:01,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 08:23:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 08:23:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 08:23:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 08:23:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 08:23:01,973 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 08:23:01,975 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 08:23:02,068 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 08:23:02,074 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 08:23:02,074 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 08:23:02,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:23:02 BoogieIcfgContainer [2022-11-21 08:23:02,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 08:23:02,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 08:23:02,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 08:23:02,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 08:23:02,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:23:01" (1/3) ... [2022-11-21 08:23:02,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de7ee07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:23:02, skipping insertion in model container [2022-11-21 08:23:02,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:01" (2/3) ... [2022-11-21 08:23:02,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de7ee07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:23:02, skipping insertion in model container [2022-11-21 08:23:02,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:23:02" (3/3) ... [2022-11-21 08:23:02,086 INFO L112 eAbstractionObserver]: Analyzing ICFG Double_div.i.p+cfa-reducer.c [2022-11-21 08:23:02,106 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 08:23:02,107 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 08:23:02,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 08:23:02,169 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;@13416933, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 08:23:02,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 08:23:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 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) [2022-11-21 08:23:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 08:23:02,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:23:02,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-21 08:23:02,189 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:23:02,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:23:02,195 INFO L85 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2022-11-21 08:23:02,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:23:02,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176704526] [2022-11-21 08:23:02,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:23:02,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:23:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 08:23:02,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 08:23:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 08:23:02,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 08:23:02,342 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 08:23:02,344 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 08:23:02,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 08:23:02,352 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 08:23:02,357 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 08:23:02,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 08:23:02 BoogieIcfgContainer [2022-11-21 08:23:02,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 08:23:02,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 08:23:02,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 08:23:02,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 08:23:02,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:23:02" (3/4) ... [2022-11-21 08:23:02,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 08:23:02,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 08:23:02,403 INFO L158 Benchmark]: Toolchain (without parser) took 889.69ms. Allocated memory is still 157.3MB. Free memory was 120.9MB in the beginning and 95.5MB in the end (delta: 25.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-11-21 08:23:02,404 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 08:23:02,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.25ms. Allocated memory is still 157.3MB. Free memory was 120.9MB in the beginning and 121.8MB in the end (delta: -897.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 08:23:02,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.31ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 120.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 08:23:02,406 INFO L158 Benchmark]: Boogie Preprocessor took 18.49ms. Allocated memory is still 157.3MB. Free memory was 120.0MB in the beginning and 118.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 08:23:02,413 INFO L158 Benchmark]: RCFGBuilder took 256.66ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 109.9MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 08:23:02,414 INFO L158 Benchmark]: TraceAbstraction took 313.10ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 95.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 08:23:02,416 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 95.5MB in the end (delta: 343.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 08:23:02,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.25ms. Allocated memory is still 157.3MB. Free memory was 120.9MB in the beginning and 121.8MB in the end (delta: -897.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.31ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 120.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.49ms. Allocated memory is still 157.3MB. Free memory was 120.0MB in the beginning and 118.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.66ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 109.9MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 313.10ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 95.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 95.5MB in the end (delta: 343.3kB). There was no memory consumed. 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 - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 12, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L1] int __return_main; VAL [__return_main=0] [L9] double main__x = 1.0; [L10] double main__x1 = main__x / 2.5; VAL [__return_main=0, main__x=1] [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main__x=1] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main__x=1] [L27] reach_error() VAL [__return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main__x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 08:23:02,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b976e330e4c054879765a8eb6bc4e652ff9f2eb85e78e14695d7ebb374384cf --- 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-b5237d8 [2022-11-21 08:23:04,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 08:23:04,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 08:23:04,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 08:23:04,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 08:23:04,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 08:23:04,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 08:23:04,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 08:23:04,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 08:23:04,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 08:23:04,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 08:23:04,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 08:23:04,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 08:23:04,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 08:23:04,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 08:23:04,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 08:23:04,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 08:23:04,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 08:23:04,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 08:23:04,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 08:23:04,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 08:23:04,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 08:23:04,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 08:23:04,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 08:23:04,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 08:23:04,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 08:23:04,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 08:23:04,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 08:23:04,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 08:23:04,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 08:23:04,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 08:23:04,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 08:23:04,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 08:23:04,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 08:23:04,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 08:23:04,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 08:23:04,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 08:23:04,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 08:23:04,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 08:23:04,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 08:23:04,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 08:23:04,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-21 08:23:04,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 08:23:04,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 08:23:04,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 08:23:04,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 08:23:04,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 08:23:04,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 08:23:04,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 08:23:04,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 08:23:04,964 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 08:23:04,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 08:23:04,965 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 08:23:04,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 08:23:04,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 08:23:04,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 08:23:04,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 08:23:04,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 08:23:04,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 08:23:04,966 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 08:23:04,966 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 08:23:04,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 08:23:04,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 08:23:04,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 08:23:04,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 08:23:04,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 08:23:04,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 08:23:04,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 08:23:04,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 08:23:04,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 08:23:04,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 08:23:04,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 08:23:04,969 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 08:23:04,969 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 08:23:04,969 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 08:23:04,969 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 08:23:04,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 08:23:04,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 08:23:04,970 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b976e330e4c054879765a8eb6bc4e652ff9f2eb85e78e14695d7ebb374384cf [2022-11-21 08:23:05,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 08:23:05,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 08:23:05,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 08:23:05,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 08:23:05,347 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 08:23:05,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c [2022-11-21 08:23:08,567 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 08:23:08,845 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 08:23:08,846 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c [2022-11-21 08:23:08,852 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/data/4225625f2/445d5051a6b746c29508df9d7bad7bf5/FLAG612b2ea81 [2022-11-21 08:23:08,875 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/data/4225625f2/445d5051a6b746c29508df9d7bad7bf5 [2022-11-21 08:23:08,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 08:23:08,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 08:23:08,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 08:23:08,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 08:23:08,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 08:23:08,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:23:08" (1/1) ... [2022-11-21 08:23:08,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237442b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:08, skipping insertion in model container [2022-11-21 08:23:08,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:23:08" (1/1) ... [2022-11-21 08:23:08,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 08:23:08,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 08:23:09,052 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_a461424e-5e1a-4eef-94d4-d458f78141b4/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c[670,683] [2022-11-21 08:23:09,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 08:23:09,075 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 08:23:09,094 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_a461424e-5e1a-4eef-94d4-d458f78141b4/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c[670,683] [2022-11-21 08:23:09,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 08:23:09,109 INFO L208 MainTranslator]: Completed translation [2022-11-21 08:23:09,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09 WrapperNode [2022-11-21 08:23:09,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 08:23:09,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 08:23:09,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 08:23:09,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 08:23:09,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,147 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-11-21 08:23:09,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 08:23:09,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 08:23:09,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 08:23:09,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 08:23:09,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,189 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 08:23:09,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 08:23:09,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 08:23:09,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 08:23:09,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (1/1) ... [2022-11-21 08:23:09,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 08:23:09,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 08:23:09,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 08:23:09,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 08:23:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 08:23:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 08:23:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 08:23:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 08:23:09,430 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 08:23:09,433 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 08:23:12,570 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 08:23:12,576 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 08:23:12,576 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 08:23:12,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:23:12 BoogieIcfgContainer [2022-11-21 08:23:12,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 08:23:12,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 08:23:12,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 08:23:12,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 08:23:12,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:23:08" (1/3) ... [2022-11-21 08:23:12,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e95f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:23:12, skipping insertion in model container [2022-11-21 08:23:12,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:23:09" (2/3) ... [2022-11-21 08:23:12,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e95f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:23:12, skipping insertion in model container [2022-11-21 08:23:12,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:23:12" (3/3) ... [2022-11-21 08:23:12,588 INFO L112 eAbstractionObserver]: Analyzing ICFG Double_div.i.p+cfa-reducer.c [2022-11-21 08:23:12,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 08:23:12,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 08:23:12,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 08:23:12,665 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;@756cf7ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 08:23:12,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 08:23:12,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 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) [2022-11-21 08:23:12,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 08:23:12,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:23:12,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-21 08:23:12,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:23:12,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:23:12,684 INFO L85 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2022-11-21 08:23:12,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 08:23:12,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111172739] [2022-11-21 08:23:12,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:23:12,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 08:23:12,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 08:23:12,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 08:23:12,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-21 08:23:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:23:12,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 08:23:12,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 08:23:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 08:23:19,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 08:23:19,099 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 08:23:19,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111172739] [2022-11-21 08:23:19,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111172739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:23:19,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:23:19,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 08:23:19,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637098841] [2022-11-21 08:23:19,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:23:19,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 08:23:19,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 08:23:19,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 08:23:19,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 08:23:19,169 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-21 08:23:24,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:23:24,462 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2022-11-21 08:23:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 08:23:24,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-21 08:23:24,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:23:24,583 INFO L225 Difference]: With dead ends: 16 [2022-11-21 08:23:24,583 INFO L226 Difference]: Without dead ends: 7 [2022-11-21 08:23:24,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 08:23:24,590 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 9 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-21 08:23:24,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-21 08:23:24,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-11-21 08:23:24,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-21 08:23:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 08:23:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-21 08:23:24,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2022-11-21 08:23:24,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:23:24,624 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2022-11-21 08:23:24,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-21 08:23:24,625 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-21 08:23:24,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 08:23:24,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:23:24,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-21 08:23:24,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-21 08:23:24,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 08:23:24,843 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:23:24,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:23:24,844 INFO L85 PathProgramCache]: Analyzing trace with hash 889537510, now seen corresponding path program 1 times [2022-11-21 08:23:24,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 08:23:24,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456577812] [2022-11-21 08:23:24,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:23:24,846 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 08:23:24,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 08:23:24,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 08:23:24,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-21 08:23:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:23:25,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 08:23:25,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 08:23:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 08:23:31,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 08:23:37,455 WARN L837 $PredicateComparison]: unable to prove that (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) |c_ULTIMATE.start_main_~main__x1~0#1|)) is different from false [2022-11-21 08:23:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-21 08:23:41,969 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 08:23:41,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456577812] [2022-11-21 08:23:41,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456577812] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 08:23:41,969 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 08:23:41,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-11-21 08:23:41,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325244024] [2022-11-21 08:23:41,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 08:23:41,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 08:23:41,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 08:23:41,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 08:23:41,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=20, Unknown=1, NotChecked=8, Total=42 [2022-11-21 08:23:41,972 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2022-11-21 08:23:45,968 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (not (fp.eq |c_ULTIMATE.start_main_~main__x1~0#1| |c_ULTIMATE.start_main_~main__x~0#1|)) (= |c_ULTIMATE.start_main_~main__x1~0#1| (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0)) (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x1~0#1| .cse0) |c_ULTIMATE.start_main_~main__x1~0#1|)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2022-11-21 08:23:49,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 08:23:50,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 08:23:51,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:23:51,016 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2022-11-21 08:23:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 08:23:51,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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 6 [2022-11-21 08:23:51,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:23:51,017 INFO L225 Difference]: With dead ends: 12 [2022-11-21 08:23:51,017 INFO L226 Difference]: Without dead ends: 9 [2022-11-21 08:23:51,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2022-11-21 08:23:51,019 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-21 08:23:51,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 1 Unknown, 5 Unchecked, 5.9s Time] [2022-11-21 08:23:51,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-21 08:23:51,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-21 08:23:51,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-21 08:23:51,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-21 08:23:51,023 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2022-11-21 08:23:51,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:23:51,024 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-21 08:23:51,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2022-11-21 08:23:51,024 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-21 08:23:51,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 08:23:51,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:23:51,025 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2022-11-21 08:23:51,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-21 08:23:51,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 08:23:51,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:23:51,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:23:51,245 INFO L85 PathProgramCache]: Analyzing trace with hash 145055718, now seen corresponding path program 2 times [2022-11-21 08:23:51,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 08:23:51,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [58001006] [2022-11-21 08:23:51,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 08:23:51,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 08:23:51,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 08:23:51,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 08:23:51,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-21 08:23:51,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 08:23:51,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 08:23:51,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 08:23:51,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 08:23:58,081 WARN L859 $PredicateComparison]: unable to prove that (and (= (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0)) |c_ULTIMATE.start_main_~main__x1~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-21 08:24:04,257 WARN L233 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-21 08:24:06,312 WARN L859 $PredicateComparison]: unable to prove that (and (= (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0) .cse0)) |c_ULTIMATE.start_main_~main__x1~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-21 08:24:15,936 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-21 08:24:18,063 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= |c_ULTIMATE.start_main_~main__x~0#1| (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0) .cse0)) (= (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x~0#1| .cse0) |c_ULTIMATE.start_main_~main__x1~0#1|) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2022-11-21 08:24:20,673 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= |c_ULTIMATE.start_main_~main__x~0#1| (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0) .cse0)) (= (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x~0#1| .cse0) |c_ULTIMATE.start_main_~main__x1~0#1|) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2022-11-21 08:24:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2022-11-21 08:24:20,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 08:24:29,381 WARN L837 $PredicateComparison]: unable to prove that (or (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) |c_ULTIMATE.start_main_~main__x1~0#1|)) (fp.eq |c_ULTIMATE.start_main_~main__x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) is different from false [2022-11-21 08:24:31,508 WARN L859 $PredicateComparison]: unable to prove that (or (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) |c_ULTIMATE.start_main_~main__x1~0#1|)) (fp.eq |c_ULTIMATE.start_main_~main__x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) is different from true [2022-11-21 08:24:37,085 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-21 08:24:42,109 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-21 08:24:44,496 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x1~0#1| .cse1))) (or (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0))))) is different from false [2022-11-21 08:24:46,855 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x1~0#1| .cse1))) (or (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0))))) is different from true [2022-11-21 08:24:53,420 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-21 08:24:59,627 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-21 08:25:02,846 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x1~0#1| .cse1) .cse1))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from false [2022-11-21 08:25:06,024 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~main__x1~0#1| .cse1) .cse1))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from true [2022-11-21 08:25:09,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 08:25:09,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [58001006] [2022-11-21 08:25:09,349 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-21 08:25:09,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-21 08:25:09,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 08:25:09,551 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 2907 column 7: push canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:54) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:800) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:132) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 08:25:09,555 INFO L158 Benchmark]: Toolchain (without parser) took 120671.94ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 44.4MB in the beginning and 52.5MB in the end (delta: -8.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-21 08:25:09,555 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 08:25:09,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.31ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 33.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 08:25:09,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.69ms. Allocated memory is still 67.1MB. Free memory was 33.2MB in the beginning and 31.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 08:25:09,557 INFO L158 Benchmark]: Boogie Preprocessor took 49.92ms. Allocated memory is still 67.1MB. Free memory was 31.8MB in the beginning and 30.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 08:25:09,558 INFO L158 Benchmark]: RCFGBuilder took 3378.98ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 30.6MB in the beginning and 69.8MB in the end (delta: -39.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 08:25:09,558 INFO L158 Benchmark]: TraceAbstraction took 116973.36ms. Allocated memory is still 94.4MB. Free memory was 69.0MB in the beginning and 52.5MB in the end (delta: 16.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-11-21 08:25:09,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.31ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 33.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.69ms. Allocated memory is still 67.1MB. Free memory was 33.2MB in the beginning and 31.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.92ms. Allocated memory is still 67.1MB. Free memory was 31.8MB in the beginning and 30.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3378.98ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 30.6MB in the beginning and 69.8MB in the end (delta: -39.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 116973.36ms. Allocated memory is still 94.4MB. Free memory was 69.0MB in the beginning and 52.5MB in the end (delta: 16.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 2907 column 7: push canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 2907 column 7: push canceled: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 08:25:09,790 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-21 08:25:09,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a461424e-5e1a-4eef-94d4-d458f78141b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 2907 column 7: push canceled