./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d --- 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 09:04:27,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:04:27,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:04:27,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:04:27,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:04:27,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:04:27,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:04:27,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:04:27,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:04:27,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:04:27,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:04:27,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:04:27,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:04:27,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:04:27,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:04:27,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:04:27,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:04:27,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:04:27,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:04:27,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:04:27,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:04:27,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:04:27,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:04:27,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:04:27,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:04:27,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:04:27,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:04:27,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:04:27,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:04:27,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:04:27,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:04:27,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:04:27,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:04:27,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:04:27,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:04:27,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:04:27,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:04:27,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:04:27,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:04:27,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:04:27,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:04:27,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 09:04:27,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:04:27,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:04:27,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:04:27,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:04:27,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:04:27,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:04:27,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:04:27,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:04:27,811 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:04:27,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:04:27,812 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:04:27,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:04:27,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:04:27,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:04:27,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:04:27,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:04:27,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:04:27,816 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:04:27,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:04:27,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:04:27,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:04:27,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:04:27,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:04:27,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:04:27,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:04:27,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:04:27,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:04:27,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:04:27,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:04:27,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:04:27,820 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:04:27,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:04:27,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:04:27,821 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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d [2022-11-21 09:04:28,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:04:28,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:04:28,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:04:28,162 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:04:28,163 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:04:28,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2022-11-21 09:04:31,236 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:04:31,504 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:04:31,504 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2022-11-21 09:04:31,511 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/data/cca7c3e1e/b83a71ee99b6469f910a09aee7248b4b/FLAG1a633c6a7 [2022-11-21 09:04:31,533 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/data/cca7c3e1e/b83a71ee99b6469f910a09aee7248b4b [2022-11-21 09:04:31,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:04:31,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:04:31,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:04:31,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:04:31,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:04:31,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cd4d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31, skipping insertion in model container [2022-11-21 09:04:31,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:04:31,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:04:31,765 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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2022-11-21 09:04:31,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:04:31,795 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:04:31,810 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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2022-11-21 09:04:31,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:04:31,829 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:04:31,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31 WrapperNode [2022-11-21 09:04:31,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:04:31,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:04:31,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:04:31,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:04:31,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,864 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-11-21 09:04:31,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:04:31,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:04:31,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:04:31,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:04:31,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,892 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:04:31,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:04:31,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:04:31,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:04:31,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (1/1) ... [2022-11-21 09:04:31,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:04:31,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:04:31,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:04:31,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:04:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:04:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:04:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:04:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:04:32,060 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:04:32,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:04:32,152 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:04:32,158 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:04:32,158 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 09:04:32,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:32 BoogieIcfgContainer [2022-11-21 09:04:32,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:04:32,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:04:32,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:04:32,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:04:32,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:04:31" (1/3) ... [2022-11-21 09:04:32,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b96dfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:32, skipping insertion in model container [2022-11-21 09:04:32,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:31" (2/3) ... [2022-11-21 09:04:32,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b96dfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:32, skipping insertion in model container [2022-11-21 09:04:32,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:32" (3/3) ... [2022-11-21 09:04:32,177 INFO L112 eAbstractionObserver]: Analyzing ICFG Double_div.i [2022-11-21 09:04:32,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:04:32,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 09:04:32,271 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:04:32,277 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;@272210f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:04:32,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 09:04:32,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 09:04:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 09:04:32,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:04:32,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-21 09:04:32,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:04:32,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:32,294 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2022-11-21 09:04:32,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:32,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285230626] [2022-11-21 09:04:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:32,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:04:32,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:04:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:04:32,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:04:32,434 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 09:04:32,435 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 09:04:32,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:04:32,441 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 09:04:32,446 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:04:32,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:04:32 BoogieIcfgContainer [2022-11-21 09:04:32,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:04:32,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:04:32,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:04:32,465 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:04:32,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:32" (3/4) ... [2022-11-21 09:04:32,468 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 09:04:32,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:04:32,470 INFO L158 Benchmark]: Toolchain (without parser) took 927.43ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 72.5MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 09:04:32,470 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 153.1MB. Free memory was 121.0MB in the beginning and 120.9MB in the end (delta: 78.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:04:32,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.68ms. Allocated memory is still 153.1MB. Free memory was 108.1MB in the beginning and 98.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 09:04:32,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.85ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:04:32,472 INFO L158 Benchmark]: Boogie Preprocessor took 29.14ms. Allocated memory is still 153.1MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:04:32,472 INFO L158 Benchmark]: RCFGBuilder took 264.46ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 86.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 09:04:32,473 INFO L158 Benchmark]: TraceAbstraction took 300.85ms. Allocated memory is still 153.1MB. Free memory was 85.9MB in the beginning and 72.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 09:04:32,474 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 153.1MB. Free memory was 72.9MB in the beginning and 72.5MB in the end (delta: 410.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:04:32,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 153.1MB. Free memory was 121.0MB in the beginning and 120.9MB in the end (delta: 78.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.68ms. Allocated memory is still 153.1MB. Free memory was 108.1MB in the beginning and 98.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.85ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.14ms. Allocated memory is still 153.1MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 264.46ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 86.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 300.85ms. Allocated memory is still 153.1MB. Free memory was 85.9MB in the beginning and 72.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 153.1MB. Free memory was 72.9MB in the beginning and 72.5MB in the end (delta: 410.4kB). 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: 13]: 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 29, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21. Possible FailurePath: [L20] double x = 1.0; [L21] double x1 = x/2.5; VAL [x=1] [L23] COND FALSE !(x1 != x) VAL [x=1] [L29] CALL __VERIFIER_assert(x == 0) [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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=11occurred 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, 6 NumberOfCodeBlocks, 6 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 09:04:32,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d --- 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 09:04:35,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:04:35,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:04:35,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:04:35,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:04:35,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:04:35,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:04:35,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:04:35,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:04:35,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:04:35,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:04:35,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:04:35,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:04:35,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:04:35,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:04:35,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:04:35,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:04:35,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:04:35,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:04:35,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:04:35,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:04:35,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:04:35,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:04:35,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:04:35,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:04:35,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:04:35,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:04:35,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:04:35,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:04:35,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:04:35,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:04:35,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:04:35,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:04:35,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:04:35,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:04:35,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:04:35,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:04:35,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:04:35,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:04:35,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:04:35,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:04:35,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-21 09:04:35,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:04:35,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:04:35,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:04:35,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:04:35,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:04:35,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:04:35,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:04:35,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:04:35,297 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:04:35,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:04:35,298 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:04:35,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:04:35,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:04:35,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:04:35,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:04:35,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:04:35,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 09:04:35,300 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 09:04:35,300 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 09:04:35,300 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:04:35,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:04:35,300 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:04:35,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:04:35,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:04:35,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:04:35,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:04:35,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:04:35,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:04:35,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:04:35,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:04:35,303 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 09:04:35,303 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 09:04:35,303 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:04:35,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:04:35,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:04:35,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 09:04:35,304 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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d [2022-11-21 09:04:35,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:04:35,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:04:35,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:04:35,713 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:04:35,715 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:04:35,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2022-11-21 09:04:38,822 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:04:39,005 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:04:39,005 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2022-11-21 09:04:39,012 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/data/a430a09d7/b54dec58414840779ceb79d5896a1f22/FLAG02a96dafb [2022-11-21 09:04:39,024 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/data/a430a09d7/b54dec58414840779ceb79d5896a1f22 [2022-11-21 09:04:39,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:04:39,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:04:39,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:04:39,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:04:39,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:04:39,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfe71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39, skipping insertion in model container [2022-11-21 09:04:39,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:04:39,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:04:39,212 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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2022-11-21 09:04:39,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:04:39,253 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:04:39,277 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_3cf52078-7c10-4d7d-b97d-0ffde84c751e/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2022-11-21 09:04:39,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:04:39,304 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:04:39,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39 WrapperNode [2022-11-21 09:04:39,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:04:39,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:04:39,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:04:39,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:04:39,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,348 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2022-11-21 09:04:39,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:04:39,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:04:39,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:04:39,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:04:39,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,394 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:04:39,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:04:39,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:04:39,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:04:39,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (1/1) ... [2022-11-21 09:04:39,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:04:39,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:04:39,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:04:39,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:04:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:04:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 09:04:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:04:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:04:39,585 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:04:39,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:04:43,089 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:04:43,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:04:43,095 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 09:04:43,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:43 BoogieIcfgContainer [2022-11-21 09:04:43,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:04:43,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:04:43,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:04:43,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:04:43,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:04:39" (1/3) ... [2022-11-21 09:04:43,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d2f528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:43, skipping insertion in model container [2022-11-21 09:04:43,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:39" (2/3) ... [2022-11-21 09:04:43,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d2f528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:43, skipping insertion in model container [2022-11-21 09:04:43,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:43" (3/3) ... [2022-11-21 09:04:43,107 INFO L112 eAbstractionObserver]: Analyzing ICFG Double_div.i [2022-11-21 09:04:43,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:04:43,131 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 09:04:43,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:04:43,187 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;@7ae55fbe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:04:43,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 09:04:43,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 09:04:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 09:04:43,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:04:43,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-21 09:04:43,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:04:43,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:43,205 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2022-11-21 09:04:43,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:04:43,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685613672] [2022-11-21 09:04:43,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:43,220 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 09:04:43,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:04:43,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 09:04:43,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 09:04:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:43,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:04:43,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:04:51,671 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 09:04:51,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:04:51,672 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 09:04:51,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [685613672] [2022-11-21 09:04:51,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [685613672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:51,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:51,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:04:51,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726127066] [2022-11-21 09:04:51,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:51,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:04:51,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 09:04:51,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:04:51,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:04:51,715 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:54,600 WARN L859 $PredicateComparison]: unable to prove that (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) |c_ULTIMATE.start_main_~x~0#1|) (= |c_ULTIMATE.start_main_~x1~0#1| (fp.div roundNearestTiesToEven |c_ULTIMATE.start_main_~x~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-21 09:04:56,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 09:04:58,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 09:04:58,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:04:58,747 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-11-21 09:04:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:04:58,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-21 09:04:58,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:04:58,894 INFO L225 Difference]: With dead ends: 20 [2022-11-21 09:04:58,894 INFO L226 Difference]: Without dead ends: 8 [2022-11-21 09:04:58,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2022-11-21 09:04:58,900 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-21 09:04:58,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 23 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 2 Unknown, 1 Unchecked, 4.7s Time] [2022-11-21 09:04:58,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-21 09:04:58,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-21 09:04:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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 09:04:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-21 09:04:58,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2022-11-21 09:04:58,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:04:58,924 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-11-21 09:04:58,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-21 09:04:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 09:04:58,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:04:58,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:04:58,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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)] Ended with exit code 0 [2022-11-21 09:04:59,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 09:04:59,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:04:59,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:59,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1810510480, now seen corresponding path program 1 times [2022-11-21 09:04:59,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:04:59,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126696658] [2022-11-21 09:04:59,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:59,130 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 09:04:59,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:04:59,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 09:04:59,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 09:04:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:59,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 09:04:59,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:05:07,243 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 09:05:07,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:05:14,390 WARN L837 $PredicateComparison]: unable to prove that (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) |c_ULTIMATE.start_main_~x1~0#1|)) is different from false [2022-11-21 09:05:18,908 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 09:05:18,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 09:05:18,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126696658] [2022-11-21 09:05:18,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1126696658] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 09:05:18,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 09:05:18,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-11-21 09:05:18,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454396353] [2022-11-21 09:05:18,910 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 09:05:18,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:05:18,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 09:05:18,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:05:18,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=19, Unknown=2, NotChecked=8, Total=42 [2022-11-21 09:05:18,912 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:05:29,338 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 17 DAG size of output: 14 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 09:05:36,279 WARN L233 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 09:05:40,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 09:05:42,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 09:05:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:05:42,938 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-21 09:05:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:05:42,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-21 09:05:42,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:05:42,940 INFO L225 Difference]: With dead ends: 14 [2022-11-21 09:05:42,940 INFO L226 Difference]: Without dead ends: 10 [2022-11-21 09:05:42,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.9s TimeCoverageRelationStatistics Valid=29, Invalid=44, Unknown=3, NotChecked=14, Total=90 [2022-11-21 09:05:42,943 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-21 09:05:42,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 9 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 2 Unknown, 7 Unchecked, 7.8s Time] [2022-11-21 09:05:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-21 09:05:42,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-21 09:05:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 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 09:05:42,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-11-21 09:05:42,948 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2022-11-21 09:05:42,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:05:42,948 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-21 09:05:42,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:05:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-11-21 09:05:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 09:05:42,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:05:42,950 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2022-11-21 09:05:42,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 09:05:43,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 09:05:43,154 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:05:43,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:05:43,156 INFO L85 PathProgramCache]: Analyzing trace with hash 492108272, now seen corresponding path program 2 times [2022-11-21 09:05:43,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:05:43,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332316626] [2022-11-21 09:05:43,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 09:05:43,157 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 09:05:43,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:05:43,159 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 09:05:43,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 09:05:43,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 09:05:43,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 09:05:43,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 09:05:43,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:05:48,717 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_~x1~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-21 09:05:54,857 WARN L233 SmtUtils]: Spent 6.12s 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 09:05:58,871 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_~x1~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2022-11-21 09:06:08,984 WARN L233 SmtUtils]: Spent 6.60s 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 09:06:13,879 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= (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_~x~0#1|) (= (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x~0#1| .cse0) |c_ULTIMATE.start_main_~x1~0#1|) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2022-11-21 09:06:13,913 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 09:06:13,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:06:23,335 WARN L837 $PredicateComparison]: unable to prove that (or (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) |c_ULTIMATE.start_main_~x1~0#1|)) (fp.eq |c_ULTIMATE.start_main_~x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) is different from false [2022-11-21 09:06:25,457 WARN L859 $PredicateComparison]: unable to prove that (or (not (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) |c_ULTIMATE.start_main_~x1~0#1|)) (fp.eq |c_ULTIMATE.start_main_~x1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) is different from true [2022-11-21 09:06:35,990 WARN L233 SmtUtils]: Spent 5.53s 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 09:06:38,336 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_~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 09:06:40,688 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_~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 09:06:47,237 WARN L233 SmtUtils]: Spent 6.55s 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 09:06:53,287 WARN L233 SmtUtils]: Spent 6.05s 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 09:06:55,937 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_~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 09:06:58,562 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| .cse1) .cse1))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from true [2022-11-21 09:07:01,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 09:07:01,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332316626] [2022-11-21 09:07:01,102 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-21 09:07:01,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:01,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:07:01,303 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 3537 column 7: push canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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 09:07:01,307 INFO L158 Benchmark]: Toolchain (without parser) took 142278.70ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.4MB in the beginning and 44.9MB in the end (delta: -10.5MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-11-21 09:07:01,307 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:07:01,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.86ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.3MB in the beginning and 55.4MB in the end (delta: -21.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-21 09:07:01,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.22ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 53.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:07:01,310 INFO L158 Benchmark]: Boogie Preprocessor took 53.58ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 52.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:07:01,311 INFO L158 Benchmark]: RCFGBuilder took 3692.98ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 43.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 09:07:01,311 INFO L158 Benchmark]: TraceAbstraction took 138206.44ms. Allocated memory is still 77.6MB. Free memory was 43.0MB in the beginning and 44.9MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:07:01,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.86ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.3MB in the beginning and 55.4MB in the end (delta: -21.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.22ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 53.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.58ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 52.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3692.98ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 43.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 138206.44ms. Allocated memory is still 77.6MB. Free memory was 43.0MB in the beginning and 44.9MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 3537 column 7: push canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 3537 column 7: push canceled: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 09:07:01,539 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-21 09:07:01,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf52078-7c10-4d7d-b97d-0ffde84c751e/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 3537 column 7: push canceled